State News

The Invisible Dr. David Nahin, And Court Ordered Drug Tests In South Carolina

In February, the Daily Counter News was contacted concerning a Doctor who has been signing off on drug tests ordered within the Family Courts in South Carolina and who may not be authorized to do so.

The Doctor in question is David Nahin, who received his medical degree in the State of Wisconsin in 1977.  Nahin, after having certain legal issues arise voluntarily surrendered his medical license to the State of Wisconsin in 1993.  And in 1994 was permitted to receive a “limited” license.  Under this limited license, he was prohibited from having any patient contact.   Also, a letter dated September 27th, 1994, from the State of Wisconsin, Department of Regulations and Licensing, informed DEA that, “while Dr. Nahin is not prohibited from holding a DEA registration, use of the registration in prescribing medications would constitute a violation of his limited license.”

The DEA revoked David Nahin’s Certificate of Registration on August 29th, 1996.

We began asking certain questions: 

The very first one was how can a Doctor from Colorado sign off on Drug Tests given here in South Carolina?  This answer will certainly surprise our readers…  Dr. David Nahin, is listed as a Medical Review Officer for a company called I3Logic based in Denver, Colorado.  An MRO is simply someone who reviews the test results on paper and signs off on them as being valid per test procedures.  Testing facilities if they so chose or are requested to can send their results to any MRO of their choosing.  Now, this only usually occurs if results are positive for any substance such as Marijana or other narcotics.  

MROs are given 72 hours to contact the donor to see if there is any medication that could have given a positive result.  If no contact has been made within this 72-hour window then the MRO can not inform the drug test requester that the results are positive, they may state “non-negative”.  And that further testing may be required to confirm the results.

MROs are defined as  “a licensed physician (MD or DO) who has knowledge of substance abuse disorders and has the appropriate medical training to interpret and evaluate an individual’s positive test result together with his or her medical history and any other relevant biomedical information.”

Nahin is listed as an MRO, I3Logix, Inc., which according to Dun & Bradstreet business directory is part of the  Printing and Related Support Activities Industry.  The majority of the Drug Tests with David Nahin’s signatures come from ARCpoint Labs in Columbia, South Carolina.

When we contacted ARCpoint Labs we were informed they were aware of David Nahin, that he was the MRO for I3Logix and that he was the in-house MRO for a company called Applya out of Greenville.  When asked if anyone at ARCpoint Labs ever spoke with Nahin or even emailed him they responded, “No”.  All Their communications with I3Logix were with Tina Rush.  They informed us that ARCpoint Labs was merely a collection site and did not do any of the testing themselves.

Nahin’s Return of Medical License

Upon further contacting the Wisconsin Department of Safety and Professional Services we were informed that Dr. Nahin received his full medical license back in 2015 after a lengthy appeal and modification of his limited license beginning in 1994.  It would seem that Dr. Nahin would apply each year for a modification of his limited license removing one stipulation at a time.  

But the real question here is how could a doctor out of Wisconsin with a “limited license” hold an MRO position with a company out of Colorado for drug tests given in South Carolina?  Let’s not forget that Nahin was only allowed the status of Doctor by his limited license.  

The Daily Counter News has not been the only news outlet that has attempted to contact Nahin to get to the bottom of this issue.  After contacting I3Logic and asking for a phone number or email for Nahin, we were told they had none to give us.  We were directed to Tina Rush who called us back and informed us that Nahin had suddenly taken a medical leave from his position.  We must remember that at no point did Nahin hold any other medical license from any other state since he gave up his Wisconsin Medical License.

From 1993 to 2015 Nahin held only his limited license out of Wisconsin, while practicing as an MRO for I3Logic in Colorado.  It also is apparent that as an MRO he never once contacted any of the donors on whose drug tests he signed off on as the MRO.   To date, no one who has ever dealt with I3Logic has ever spoken with Nahin whether by phone or email.

Other MROs that we have contacted for information on this profession stated that this could easily fall within the medical malpractice arena as none of the guidelines seem to have been followed and the questionable fact of Nahin not having a medical license at those times.


    1. I’m the one who figured that out. This same Dr is signing test in texas as well. Every child removed cause of this doctor needs to be returned immediately this is outrageous! I have recordings calling the vacant building they sent these so called tests to. Contact me I’ve got tons of info on him pics included.

      1. Hello!! i was hoping you could help me and give me some information i am in South Carolina but my children got taken away because of this man’s “test results” determiniation

      2. This is the same doctor who signed off on my test in Texas….17 mts all clean ua, and hair follicle and in the final day of court they said there was all the drugs and and outrageous amount of them. He destroyed me and my family. My girl was put through so much. I haven’t been able to see her since Aug 29, 2019 she was 3 1/2. She was originally taken at 2 yr. Old and given to a lady that was a co-worker of the President of the Cps board. Get this that lady was later arrested for fraud….I just want my child back from these monsters!!!

      3. Hi, I am also a victim of this David Nahin as he signed off on falsified test results and I lost custody of my kids because of it . If there is any way u can contact me , my email is I WOULD BE VERY GRATEFUL TO FIND OUT WHAT INFORMATION YOU HAVE ON HIM as it would help my case ! Thank you!

    2. Some of my tests went to Las Vegas I Google mapped it and it was a storage unit facility so then I called the number and it was to a lady’s home and she said If I contacted the lab to please have them remove her home number on their documents bc she was tired of people calling her

  1. And today I3screen sent a notice that David Nahin passed away unexpectedly…

  2. I live in texas and Nahin was not only signing test fro this company but also quest and nathin wide drug testing labs. This Dr who has a felony background was also signing tests for Texas, Colorado, Indianapolis with an address to a building that was vacant it was for sale. He has to be Physically present to sign these drug tests, how is he signing off on all these tests? Is he superman? My guess is they are being rubber Stamped not even reviewed. So their are so many families including mine who have been torn apart because of this doctor and several other Doctors. Why is noone doing anything about this? Ive done my research on him for 3 years on him ‘since 2019 and have spoken to so many families who are destroyed because of him. Please contact me at i have lots of info on this doctor and nothing is good. do a background check you would be shocked.
    rebecca bogard

    1. I’m from Texas as well, what ever information you have would be so appreciated. I haven’t seen my girl since Aug 29, 2019. I know I had no drugs in my system and they used this Dr to say that I did and took her. It has nearly destroyed me. The only thing that’s kept me going is God and hope!!

      1. This Dr has passed away and still signing drug test something needs to be done he is destroying people’s lives

      1. And you Alvarado aren’t even a doctor yourself. Another fake trying to take advantage of innocent families for personal gain. I’ve looked into you since your appearance on Vince Davis’s show. You should be locked away too. Aren’t you being investigated for identity theft? Stop taking advantage of innocent families that have lost their children to corruption. It sickens me to see scammers take advantage of desperate parents who needs help.

      2. I’m trying to figure out why people are more worried about tearing ppl down instead of building ppl up…..this is why it takes parents so long to build a network and get anything done, bc ppl are too worried about drama instead getting their kid(s) back! WHAT I DO KNOW…..IS THAT I WOULD NOT BE ANYWHERE CLOSE TO WHERE I AM NOW WITHOUT THE HELP OF DR. ALVARADO …….

      3. Why do you have information about all this, that could possibly help, or harm us. Have you been through SCDSS ?

  3. Dr.Alvarado…..Melissa…….some people are just ignorant……BUT YOU ARE THE REAL DEAL…..NOT LIKE THESE…..LETS TALK SHIT AND SEE WHO ALL WE CAN HURT AND START 8th GRADE DRAMA ABOUT……..(Dee Dee probably went to CMO School)😜

  4. That Dr nahin sign off on my test to be positive for meth in which I no for a fact that I dint do that I take medicine that cps didn’t even ask for one of my medications comes back as thc its been reported to the FDA but that was negative my daughter was about to turn 18 they took her away now I’m stuck on probation and paying all this court cost I need help on how to go about sueing the judge and cps for saying a 17 year old name in open court they both laughed about it they would kicked me out of the zoom court they wouldn’t even hear what I had to say they railroaded me can someone please help me I need info on him my email is

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