Dr. Gary I. Sinclair, MD

Dr. Sinclair practices at PHNTX Administration in Dallas, Texas.

Dr. Sinclair's NPI, 1891757613, was assigned on April 5, 2006. Dr. Sinclair graduated from Cleveland Medical College, Homeopathic in 1994. Dr. Sinclair holds Texas license L0936.

Dr. Sinclair's primary practice is PHNTX Administration, at 3900 Junius St, Suite 300, Dallas, TX 75246 in Dallas County. The practice phone is (214) 521-5191.

Dr. Sinclair's primary practice is PHNTX Administration in Dallas, Texas. The medical group on file is Prism Health North Texas. Dmand AI also links Dr. Sinclair to 1 more community health center, named with a free account. Dr. Sinclair's employer is on file too: a community health center (fqhc).

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sinclair practices, 2 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Sinclair's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sinclair is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Sinclair's licenses on file in 7 states: Texas, North Dakota, Indiana, New Jersey, Michigan, Ohio and Pennsylvania.

Dmand AI lists hiv/aids among the conditions Dr. Sinclair treats.

CMS data shows 129 Medicare services from Dr. Sinclair across 4 procedure codes in 2024, for 36 Medicare patients. Medicare paid $8,504 for them. Every service was in an office.

CMS counts 36 Medicare patients who saw Dr. Sinclair in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 42% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sinclair's median patient age at 55, with 22% women.

In 2024, Dr. Sinclair wrote 6,016 Medicare Part D claims for 121 patients. 68% of them were for generic drugs. CMS names the drug for 5,561 of them, across 128 drugs with 11 or more claims each, at $4,176,103 in total drug cost. In 2023, CMS named 4,673 claims across 112 drugs.

Dr. Sinclair accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 7 papers to Dr. Sinclair in 2025. The most frequent topics are HIV Infections, Anti-HIV Agents and Pyridones. Dr. Sinclair has published most often in J Clin Epidemiol. Dr. Sinclair's most frequent co-authors are Maggie Czarnogorski, MD, Jason A. Flamm, MD and Leandro Antonio Mena, MD.

Dmand AI links Dr. Sinclair to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Acquired Immunodeficiency Syndrome, Lipodystrophy and Pathological Conditions, Signs and Symptoms. AbbVie sponsors the most, 2. Open Payments lists research payments to Dr. Sinclair that name 2 trials.

CMS Open Payments shows 1,667 general payments to Dr. Sinclair from 24 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 76% of the total. Janssen Pharmaceuticals, Inc paid the most, $398,955. It also lists 49 research payments totaling $5,737 from 2018 to 2025, naming 2 clinical trials.

Dmand AI lists 1 award for Dr. Sinclair, most recently CMS Stage 1 EHR in 2014.

Dr. Sinclair graduated from Cleveland Medical College, Homeopathic in 1994.

Dr. Sinclair is in network with 23 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.