John A. Baker, DO
Family Medicine Physician · Roaring Spring, PA
John A. Baker, DO is a family medicine physician with a practice address in Roaring Spring, Pennsylvania, and NPI 1386654697, issued on Aug 9, 2006. Check the license (Pennsylvania 0SD12992, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John A. Baker
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0SD12992 PA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Nason Dr, Roaring Spring, PA 16673
- Phone
- (814) 224-6096
- Enumerated
- Aug 9, 2006
- Record last updated
- Apr 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (814) 224-6095
- Medicare enrollment
- Enrolled (PECOS I20061009000212); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 111 Nason Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Landon Barton, CRNPAdult Health Nurse Practitioner1376839712
- Fred Heaton, DOFamily Medicine Physician1720039027
- Darron Locke, MDGeneral Practice Physician1073507943
- Jennifer McCoy, CRNPNurse Practitioner1811021124
- Lynette Walter, PA-CMedical Physician Assistant1528052958
Verify John A. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 0SD12992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
228 Medicare Part D claims for 183 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 50 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen30 claims
- Cefuroxime20 claims
- Prednisone16 claims
- Tramadol Hcl14 claims
- Cephalexin13 claims
- Eliquis12 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.
Industry payments in 2024: $213.45
9 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Dlp Conemaugh Physician Practices LLCJohnstown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John A. Baker among 7,483 family medicine physician records in Pennsylvania
John A. Baker, DO 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2003 · median 2005 among the 4,529 with a school on file
- Record last updated2013 · 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).
3 family medicine physician records list a practice address in Roaring Spring
They are 3 of the 87 NPPES records with a practice address in Roaring Spring, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Roaring Spring → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fred Heaton, DORoaring Spring, PA 166731720039027
- Lynn Wright, MDRoaring Spring, PA 166731386930519
- Mark Bolinger, M.D.Saxton, PA 166781053399014
- Stacey Bowser, DOSaxton, PA 166781306006275
- Russell Miller, M.D.Patton, PA 166681174522270
- Lunda Weaver, M.D.Martinsburg, PA 166621386600153
- Ronald Gregory, D.O.Tyrone, PA 166861477539625
- Michael Halter, D.O.Tyrone, PA 166861134199219
Common questions
What is John A. Baker, DO's NPI number?
John A. Baker, DO's National Provider Identifier (NPI) is 1386654697, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Baker, DO located?
The NPPES record lists a practice address at 111 Nason Dr, Roaring Spring, PA, 16673. Phone: (814) 224-6096. Providers update this record themselves, so call before visiting.
How can I verify John A. Baker, DO's license?
NPPES lists Pennsylvania license number 0SD12992, 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 John A. Baker, DO prescribe under Medicare Part D?
In 2024, John A. Baker, DO had 228 Medicare Part D claims for 183 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.
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.