NPPES file of Aug 9, 2026

Jackson Ryan Walker

Internal Medicine Physician · Philadelphia, PA

Jackson Ryan Walker is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1528695954, issued on Mar 25, 2020. Check the license 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
1528695954
Name
Jackson Ryan Walker
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35.147112 OH
Self-reported in NPPES; status is on the state search
Practice location
3509 N Broad St Ste 226, Philadelphia, PA 19140
Phone
(215) 707-9837
Enumerated
Mar 25, 2020
Record last updated
Jun 11, 2024
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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Also registered at 3509 N Broad St Ste 226

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stacie Kerbel, MDFamily Medicine Physician1568398717
  2. Patrick Kowalski, MDFamily Medicine Physician1356134787
  3. Jennifer KreinikInternal Medicine Physician1942051651
  4. Nikita Patel, MDInternal Medicine Physician1841931029
  5. Nikita Patel, MDObstetrics & Gynecology Physician1588403893
  6. Christopher Shackleford, DONephrology Physician1831765684

Verify Jackson Ryan Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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 internal medicine physician in 2024

79 Medicare Part D claims for 24 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Jackson Walker79
  2. Specialty average3,176

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.

Industry payments in 2024: $129.75

5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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.

  1. Jackson Walker$129.75
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jackson Ryan Walker among 7,300 internal medicine physician records in Pennsylvania

Jackson Ryan Walker 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 2020, is newer than 77% of them.

  • NPI issued2020 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2024 · 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).

1,855 internal medicine physician records list a practice address in Philadelphia

They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kathleen Coppola, MDPhiladelphia, PA 191401932197837
  2. Giuliana Defrancesch, MDPhila, PA 191401154307783
  3. Susan Gersh, MDPhiladelphia, PA 191401780672659
  4. Sharon Herring, MDPhiladelphia, PA 191401285600197
  5. Lawrence Kaplan, MDPhiladelphia, PA 191401225026198
  6. Karen Lin, MDPhiladelphia, PA 191401194713099
  7. Keith McNellis, MDPhiladelphia, PA 191401003804907
  8. Faria Mesgar, MDPhiladelphia, PA 191401104814268

Common questions

What is Jackson Ryan Walker's NPI number?

Jackson Ryan Walker's National Provider Identifier (NPI) is 1528695954, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jackson Ryan Walker located?

The NPPES record lists a practice address at 3509 N Broad St Ste 226, Philadelphia, PA, 19140. Phone: (215) 707-9837. Providers update this record themselves, so call before visiting.

How can I verify Jackson Ryan Walker's license?

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 Jackson Ryan Walker prescribe under Medicare Part D?

In 2024, Jackson Ryan Walker had 79 Medicare Part D claims for 24 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.