Gregory Zemtsov, MD
Student in an Organized Health Care Education/Training Program · Pittsburgh, PA
Gregory Zemtsov, MD is a student in an organized health care education/training program with a practice address in Pittsburgh, Pennsylvania, and NPI 1477014462, issued on Mar 31, 2019. Check the license with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Zemtsov
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 300 Halket Street, Pittsburgh, PA 15213
- Phone
- (412) 647-5815
- Enumerated
- Mar 31, 2019
- Record last updated
- Jul 3, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 12,792 in Pennsylvania → Look up another NPI →
Also registered at 300 Halket Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Artman, CRNPCritical Care Medicine Nurse Practitioner1801249024
- Lillian Assatourian, M.D.Pediatrics Physician1376171918
- Kimberly Barton, CRNPAdult Health Nurse Practitioner1437333689
- Sarah Bell, M.D.Student in an Organized Health Care Education/Training Program1962291344
- Alexandra Buffie, M.D.Obstetrics & Gynecology Physician1114414091
- Alexander Cain, PHARM.D.Student in an Organized Health Care Education/Training Program1053971242
Verify Gregory Zemtsov in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
146 Medicare Part D claims for 109 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Oxycodone Hcl39 claims
- Nitrofurantoin Mono-Macro33 claims
- Ibuprofen22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gregory Zemtsov among 12,792 student in an organized health care education/training program records in Pennsylvania
Gregory Zemtsov, MD is one of 12,792 student in an organized health care education/training program records with a practice address in Pennsylvania. 33% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 9% of them.
- NPI issued2019 · 9% of these records are older, 88% newer
- In a Medicare fileYes · 33% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2023 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,922 student in an organized health care education/training program records list a practice address in Pittsburgh
They are 2,922 of the 28,866 NPPES records with a practice address in Pittsburgh, and 12,792 student in an organized health care education/training program records in Pennsylvania.
All 12,792 in Pennsylvania → Every provider in Pittsburgh → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Laura Brubaker, MD, MPHPittsburgh, PA 152131730329939
- Kristin Dalope, MDPittsburgh, PA 152131780846840
- Nikhil Gupta, M.D.Pittsburgh, PA 152131336334747
- Brian HeistPittsburgh, PA 152131265540108
- Gabriel Herrera, M.D.Pittsburgh, PA 152131265698757
- Vikram KrishnasamyPittsburgh, PA 152131841432333
- Jason LucianoPittsburgh, PA 152131932420593
- Thomas OlinoPittsburgh, PA 152131881866994
Common questions
What is Gregory Zemtsov, MD's NPI number?
Gregory Zemtsov, MD's National Provider Identifier (NPI) is 1477014462, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Zemtsov, MD located?
The NPPES record lists a practice address at 300 Halket Street, Pittsburgh, PA, 15213. Phone: (412) 647-5815. Providers update this record themselves, so call before visiting.
How can I verify Gregory Zemtsov, MD's license?
Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Zemtsov, MD prescribe under Medicare Part D?
In 2024, Gregory Zemtsov, MD had 146 Medicare Part D claims for 109 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.