NPPES file of Aug 9, 2026

John C. Baker, D.O.

Hospitalist Physician · Westlake, OH

John C. Baker, D.O. is a hospitalist physician with a practice address in Westlake, Ohio, and NPI 1386063733, issued on Apr 14, 2014. Check the license (Ohio 34.012019, as entered in NPPES) on the State Medical Board of Ohio; 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
1386063733
Name
John C. Baker
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
34.012019 OH
Self-reported in NPPES; status is on the state search
Practice location
29000 Center Ridge RD, Westlake, OH 44145
Phone
(440) 827-5576
Enumerated
Apr 14, 2014
Record last updated
Jun 16, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
127929 OH
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.
Download card Updates feed

Also registered at 29000 Center Ridge RD

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

  1. Pearl Aggarwal, MDInternal Medicine Physician1730752346
  2. Aisha Ahmad, D.O.Emergency Medicine Physician1376665620
  3. Ahmed Gamal Shaaban Ahmed, MDStudent in an Organized Health Care Education/Training Program1528828498
  4. Ibrahim Alagha, MDInternal Medicine Physician1679201776
  5. Fadel Alkacace, AAAnesthesiologist Assistant1619599586
  6. Kristen AlleyInternal Medicine Physician1053767590

Verify John C. Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34.012019
    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 Ohio 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

79% fewer Medicare Part D claims than the average hospitalist physician in 2024

109 Medicare Part D claims for 72 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. John Baker109
  2. Specialty average521

Most prescribed

  1. Amoxicillin-Clavulanate Potass17 claims
  2. Ipratropium Bromide16 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.

John C. Baker among 982 hospitalist physician records in Ohio

John C. Baker, D.O. is one of 982 hospitalist physician records with a practice address in Ohio. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 51% of them.

  • NPI issued2014 · 51% of these records are older, 44% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileNo · 85% of these records are
  • Record last updated2017 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Ohio

There are 982 hospitalist physician records in Ohio.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Jared Bressi, DOWestlake, OH 441451306426648
  2. Stephanie Jones, DOWestlake, OH 441451851033922
  3. Teah Abashidze, M.D.Cleveland, OH 441441336179647
  4. Bilal Ataya, M.D.Cleveland, OH 441391386886851
  5. Amanda LenhardCleveland, OH 441391689642365
  6. Amir DarrParma, OH 441291972206118
  7. Dustin Minix, MDParma, OH 441291548701220
  8. Chidozie OdigweParma, OH 441291447611579

Common questions

What is John C. Baker, D.O.'s NPI number?

John C. Baker, D.O.'s National Provider Identifier (NPI) is 1386063733, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is John C. Baker, D.O. located?

The NPPES record lists a practice address at 29000 Center Ridge RD, Westlake, OH, 44145. Phone: (440) 827-5576. Providers update this record themselves, so call before visiting.

How can I verify John C. Baker, D.O.'s license?

NPPES lists Ohio license number 34.012019, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John C. Baker, D.O. prescribe under Medicare Part D?

In 2024, John C. Baker, D.O. had 109 Medicare Part D claims for 72 beneficiaries; the average among hospitalist physician prescribers was 521. 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.