NPPES file of Aug 9, 2026

Ryan McGarry Walker, M.D.

Surgery Physician · Oswego, NY

Ryan McGarry Walker, M.D. is a surgery physician with a practice address in Oswego, New York, and NPI 1558568170, issued on Jun 28, 2007. Check the license (New York 272867, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1558568170
Name
Ryan McGarry Walker
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
272867 NY
Self-reported in NPPES; status is on the state search
Practice location
105 County Route 45A Ste 100, Oswego, NY 13126
Phone
(315) 342-6771
Enumerated
Jun 28, 2007
Record last updated
Jul 5, 2023
Fax
(315) 342-2842
Medicaid ID
03769573 NY
Medicare enrollment
Enrolled (PECOS I20140819000034); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 105 County Route 45A Ste 100

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

  1. Osama Essa, MDSurgery Physician1871896597
  2. Lisa Lai, MDSurgical Oncology Physician1003135310
  3. Katelyn Quehl, PA-CMedical Physician Assistant1932987732
  4. Jeffrey Strain, MD, FACSSurgery Physician1629036272

Verify Ryan McGarry Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 272867
    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 New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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82% fewer Medicare Part D claims than the average surgery physician in 2024

27 Medicare Part D claims for 21 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Ryan Walker27
  2. Specialty average147

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: $2,040.40

16 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Walker$2,040.40
  2. Specialty average$3,513.80

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

Bills Medicare through one group practice

  1. Physician Care PCOswego, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ryan McGarry Walker among 2,053 surgery physician records in New York

Ryan McGarry Walker, M.D. is one of 2,053 surgery physician records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2007 · median 2002 among the 1,212 with a school on file
  • Record last updated2023 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 surgery physician records list a practice address in Oswego

They are 7 of the 1,198 NPPES records with a practice address in Oswego, and 2,053 surgery physician records in New York.

The 8 surgery physician records with the nearest ZIP codes

  1. James Boles, M.D.Oswego, NY 131261740391457
  2. Allison Duggan, MDOswego, NY 131261801945498
  3. Osama Essa, MDOswego, NY 131261871896597
  4. Taewan Kim, MDOswego, NY 131261992757421
  5. Howard Simon, MDOswego, NY 131261497709505
  6. Jeffrey Strain, MD, FACSOswego, NY 131261629036272
  7. David Locastro, MDSkaneateles, NY 131521144272857
  8. Jacqueline Bays, M.D.,Liverpool, NY 130881073572343

Common questions

What is Ryan McGarry Walker, M.D.'s NPI number?

Ryan McGarry Walker, M.D.'s National Provider Identifier (NPI) is 1558568170, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ryan McGarry Walker, M.D. located?

The NPPES record lists a practice address at 105 County Route 45A Ste 100, Oswego, NY, 13126. Phone: (315) 342-6771. Providers update this record themselves, so call before visiting.

How can I verify Ryan McGarry Walker, M.D.'s license?

NPPES lists New York license number 272867, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan McGarry Walker, M.D. prescribe under Medicare Part D?

In 2024, Ryan McGarry Walker, M.D. had 27 Medicare Part D claims for 21 beneficiaries; the average among surgery physician prescribers was 147. 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.