John W. Martyniuk, PHD., M.D.
Psychiatry Physician · Harrisburg, PA
John W. Martyniuk, PHD., M.D. is a psychiatry physician with a practice address in Harrisburg, Pennsylvania, and NPI 1487947503, issued on May 23, 2011. Check the license (Pennsylvania MD043470L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John W. Martyniuk
- Credential
- PHD., M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD043470L PA
Self-reported in NPPES; status is on the state search - Practice location
- 777 East Park Drive, Harrisburg, PA 17105
- Phone
- (717) 558-7819
- Enumerated
- May 23, 2011
- Record last updated
- May 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (717) 558-7818
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →
Verify John W. Martyniuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD043470LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
60 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxyzine Pamoate12 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.
John W. Martyniuk among 2,662 psychiatry physician records in Pennsylvania
John W. Martyniuk, PHD., M.D. is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Pennsylvania
There are 2,662 psychiatry physician records in Pennsylvania.
All 2,662 in Pennsylvania → Every provider in Harrisburg → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Krishan Bansal, M.DHarrisburg, PA 171051952446379
- Bethany Franklin, MDHarrisburg, PA 171041811281124
- Dana Pinchotti, D.OHarrisburg, PA 171041629422316
- Ray Sharretts, DOHarrisburg, PA 171041093777062
- Susan Thornsley, MDHarrisburg, PA 171041841222650
- Eguono Eduvie, D.O.Harrisburg, PA 171021356735831
- Muhammad Ikram, MDHarrisburg, PA 171021477731180
- Summer FarooqHarrisburg, PA 171011174104459
Common questions
What is John W. Martyniuk, PHD., M.D.'s NPI number?
John W. Martyniuk, PHD., M.D.'s National Provider Identifier (NPI) is 1487947503, issued on May 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John W. Martyniuk, PHD., M.D. located?
The NPPES record lists a practice address at 777 East Park Drive, Harrisburg, PA, 17105. Phone: (717) 558-7819. Providers update this record themselves, so call before visiting.
How can I verify John W. Martyniuk, PHD., M.D.'s license?
NPPES lists Pennsylvania license number MD043470L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John W. Martyniuk, PHD., M.D. prescribe under Medicare Part D?
In 2024, John W. Martyniuk, PHD., M.D. had 60 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.