Chad P. Walker, D.O.
Rheumatology Physician · Scranton, PA
Chad P. Walker, D.O. is a rheumatology physician with a practice address in Scranton, Pennsylvania, and NPI 1932348729, issued on Feb 18, 2009. Check the license (Pennsylvania OS014800, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Chad P. Walker
- Credential
- D.O.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- OS014800 PA
0T011477 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3 W Olive St, Scranton, PA 18508
- Phone
- (570) 961-3823
- Enumerated
- Feb 18, 2009
- Record last updated
- Aug 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 207-5988
- Medicare enrollment
- Enrolled (PECOS I20090717000045); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 3 W Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diego Alcaraz Alvarez, M.D.Endocrinology, Diabetes & Metabolism Physician1376992446
- Julie Allegrucci, DPTPhysical Therapist1184357071
- Karen Arscott, D.O.Addiction Medicine (Psychiatry & Neurology) Physician1275774259
- Kelly Babinski, CRNPNurse Practitioner1013436351
- Nidhi Bansal, MDEndocrinology, Diabetes & Metabolism Physician1104144146
- Kyle Barna, ATC, PTAPhysical Therapy Assistant1184109266
Verify Chad P. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS014800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average rheumatology physician in 2024
108 Medicare Part D claims for 49 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Prednisone51 claims
- Methotrexate15 claims
- Hydroxychloroquine Sulfate13 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.
Bills Medicare through one group practice
- Northeastern Rehabilitation Associates, PCWilkes Barre, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad P. Walker among 413 rheumatology physician records in Pennsylvania
Chad P. Walker, D.O. is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2005 · median 2004 among the 275 with a school on file
- Record last updated2020 · 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 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Pennsylvania
There are 413 rheumatology physician records in Pennsylvania.
All 413 in Pennsylvania → Every provider in Scranton → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Mark Cruciani, MDScranton, PA 185091235171646
- Emily Keeler, D.O.Scranton, PA 185101518307784
- Ritu Khurana, M.D.Scranton, PA 185101013087634
- Julio Ramos, MDScranton, PA 185101275519530
- Marianne Santioni, DOOld Forge, PA 185181205868668
- Eugene Grady, M.D.Dickson City, PA 185191720015399
- Martin Blidner, MDWilkes Barre, PA 187021598827792
- Brian Delvecchio, D.O.Wilkes Barre, PA 187021215993613
Common questions
What is Chad P. Walker, D.O.'s NPI number?
Chad P. Walker, D.O.'s National Provider Identifier (NPI) is 1932348729, issued on Feb 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chad P. Walker, D.O. located?
The NPPES record lists a practice address at 3 W Olive St, Scranton, PA, 18508. Phone: (570) 961-3823. Providers update this record themselves, so call before visiting.
How can I verify Chad P. Walker, D.O.'s license?
NPPES lists Pennsylvania license number OS014800, 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 Chad P. Walker, D.O. prescribe under Medicare Part D?
In 2024, Chad P. Walker, D.O. had 108 Medicare Part D claims for 49 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.