Gregory E. Walker, M.D.
Internal Medicine Physician · Pittsburgh, PA
Gregory E. Walker, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1730105503, issued on Jul 14, 2006. Check the license (Pennsylvania MD058531L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregory E. Walker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD058531L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1789 S Braddock Ave, Pittsburgh, PA 15218
- Phone
- (412) 244-8760
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (412) 244-8640
- Medicaid ID
- 0016401200002 PA
- Medicare enrollment
- Enrolled (PECOS I20070430000357); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1789 S Braddock Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory E. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD058531LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.6 times the Medicare Part D claims of the average internal medicine physician in 2024
17,902 Medicare Part D claims for 796 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 728 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,003 claims
- Lisinopril648 claims
- Gabapentin535 claims
- Metformin Hcl453 claims
- Amlodipine Besylate438 claims
- Levothyroxine Sodium435 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.06
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Rehab-Bray LLCSteubenville, OH
- Upmc Community Medicine IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory E. Walker among 7,300 internal medicine physician records in Pennsylvania
Gregory E. Walker, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1994 · median 2008 among the 4,208 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lauren AldewereldPittsburgh, PA 152171134561293
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- Alan Barnett, MDPittsburgh, PA 152171073524823
- Catherine Brisland, DOPittsburgh, PA 152191093780223
- Susan Brode, MDPittsburgh, PA 152191841262847
- Thomas Burk, MDPittsburgh, PA 152191215908595
- Caesar Deleo, MDPittsburgh, PA 152191063629566
- Jerome Goldstein, M.D.,J.D.Pittsburgh, PA 152171750597076
Common questions
What is Gregory E. Walker, M.D.'s NPI number?
Gregory E. Walker, M.D.'s National Provider Identifier (NPI) is 1730105503, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Walker, M.D. located?
The NPPES record lists a practice address at 1789 S Braddock Ave, Pittsburgh, PA, 15218. Phone: (412) 244-8760. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Walker, M.D.'s license?
NPPES lists Pennsylvania license number MD058531L, 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 Gregory E. Walker, M.D. prescribe under Medicare Part D?
In 2024, Gregory E. Walker, M.D. had 17,902 Medicare Part D claims for 796 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gregory E. Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.