NPPES file of Aug 9, 2026

Diana Leigh Walton McKinnon, M.D

Family Medicine Physician · Pittsburgh, PA

Diana Leigh Walton McKinnon, M.D is a family medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1447506407, issued on Jul 27, 2012. Check the license (Pennsylvania MD494739, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447506407
Name
Diana Leigh Walton McKinnon
Credential
M.D
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD494739 PA
MA055424 PA
PA09098 TX
Self-reported in NPPES; status is on the state search
Practice location
5475 Penn Ave., Pittsburgh, PA 15206
Phone
(412) 361-7562
Enumerated
Jul 27, 2012
Record last updated
Apr 20, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →

Verify Diana Leigh Walton McKinnon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD494739    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

61 Medicare Part D claims for 21 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Diana McKinnon61
  2. Specialty average3,544

Most prescribed

  1. Isosorbide Mononitrate Er12 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.

Diana Leigh Walton McKinnon among 7,483 family medicine physician records in Pennsylvania

Diana Leigh Walton McKinnon, M.D is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

374 family medicine physician records list a practice address in Pittsburgh

They are 374 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,483 family medicine physician records in Pennsylvania.

All 7,483 in Pennsylvania → Every provider in Pittsburgh → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Tricia Bhat, M.D.Pittsburgh, PA 152061265454433
  2. Krista Cooke, MDPittsburgh, PA 152061750566485
  3. David Hall, MDPittsburgh, PA 152061801877097
  4. Daniel LappPittsburgh, PA 152061063472348
  5. Soo Lee, MDPittsburgh, PA 152061720007487
  6. Wendy Lemarquand, M.D.Pittsburgh, PA 152061639199490
  7. Ann McGaffey, MDPittsburgh, PA 152061649244047
  8. Joop Offerman, MDPittsburgh, PA 152061790755668

Common questions

What is Diana Leigh Walton McKinnon, M.D's NPI number?

Diana Leigh Walton McKinnon, M.D's National Provider Identifier (NPI) is 1447506407, issued on Jul 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Diana Leigh Walton McKinnon, M.D located?

The NPPES record lists a practice address at 5475 Penn Ave., Pittsburgh, PA, 15206. Phone: (412) 361-7562. Providers update this record themselves, so call before visiting.

How can I verify Diana Leigh Walton McKinnon, M.D's license?

NPPES lists Pennsylvania license number MD494739, 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 Diana Leigh Walton McKinnon, M.D prescribe under Medicare Part D?

In 2024, Diana Leigh Walton McKinnon, M.D had 61 Medicare Part D claims for 21 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.