Stephen A. Baum, MD
Internal Medicine Physician · Mentor, OH
Stephen A. Baum, MD is an internal medicine physician with a practice address in Mentor, Ohio, and NPI 1396847307, issued on Sep 1, 2006. Check the license (Ohio 35-053228, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Stephen A. Baum
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35-053228 OH
Self-reported in NPPES; status is on the state search - Practice location
- 9485 Mentor Ave, Mentor, OH 44060
- Phone
- (440) 205-5833
- Enumerated
- Sep 1, 2006
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 0624346 OH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 9485 Mentor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kerry Chemnitz, AAAnesthesiologist Assistant1699031294
- Laura Cifra-Bean, MDPediatrics Physician1720194046
Verify Stephen A. Baum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-053228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average internal medicine physician in 2024
643 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium64 claims
- Eliquis37 claims
- Tamsulosin Hcl32 claims
- Levothyroxine Sodium27 claims
- Clopidogrel26 claims
- Pantoprazole Sodium26 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.
Stephen A. Baum among 5,277 internal medicine physician records in Ohio
Stephen A. Baum, MD is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2021 · 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 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Mentor
They are 15 of the 1,824 NPPES records with a practice address in Mentor, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Mentor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Baniewicz, MDMentor, OH 440601285740530
- John Barnett, MDMentor, OH 440601225291560
- Nancy Beller, MDMentor, OH 440601598864423
- Nicholas Detore, M.D.Mentor, OH 440601942438197
- Shermeen Farukhi, M.D.Mentor, OH 440601073693925
- Haitham Kousa, M.D.Mentor, OH 440601598774762
- Anju Lele, MDMentor, OH 440601558467423
- Shreeniwas Lele, MDMentor, OH 440601568568426
Common questions
What is Stephen A. Baum, MD's NPI number?
Stephen A. Baum, MD's National Provider Identifier (NPI) is 1396847307, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen A. Baum, MD located?
The NPPES record lists a practice address at 9485 Mentor Ave, Mentor, OH, 44060. Phone: (440) 205-5833. Providers update this record themselves, so call before visiting.
How can I verify Stephen A. Baum, MD's license?
NPPES lists Ohio license number 35-053228, 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 Stephen A. Baum, MD prescribe under Medicare Part D?
In 2024, Stephen A. Baum, MD had 643 Medicare Part D claims for 43 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.