Eric B. Bass, M.D.
Internal Medicine Physician · Baltimore, MD
Eric B. Bass, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1346205416, issued on Apr 20, 2006. Check the license (Maryland D35199, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Eric B. Bass
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D35199 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-9434
- Enumerated
- Apr 20, 2006
- Record last updated
- Feb 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 529731100 MD
- Medicare enrollment
- Enrolled (PECOS I20100420000548); may accept Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdulrahman Abodarahim, MBBCHOphthalmology Physician1770182560
- Aida Abou-ZamzamStudent in an Organized Health Care Education/Training Program1891456034
- Mya AbousyStudent in an Organized Health Care Education/Training Program1700422169
- Christopher Abularrage, MDVascular Surgery Physician1063675908
- Sahaja Acharya, M.D.Radiation Oncology Physician1639436603
- Stephen Achuff, M.D.Cardiovascular Disease Physician1326001033
Verify Eric B. Bass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D35199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
760 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium80 claims
- Levothyroxine Sodium33 claims
- Losartan Potassium32 claims
- Amlodipine Besylate28 claims
- Eliquis27 claims
- Metoprolol Succinate22 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
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric B. Bass among 3,904 internal medicine physician records in Maryland
Eric B. Bass, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2003 among the 2,445 with a school on file
- Record last updated2013 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Appel, M.D.Baltimore, MD 212871366407066
- Bimal Ashar, M.D.Baltimore, MD 212871306801147
- Patricia Barditch-Crovo, M.D.Baltimore, MD 212871477518033
- Christie Basseth, M.D.Baltimore, MD 212871972568426
- Mary Catherine Beach, M.D.Baltimore, MD 212871598720922
- Valeriani Bead, M.D.Baltimore, MD 212871396700720
- Gail Berkenblit, M.D.Baltimore, MD 212871841256781
- William Bishai, M.D.Baltimore, MD 212871699731372
Common questions
What is Eric B. Bass, M.D.'s NPI number?
Eric B. Bass, M.D.'s National Provider Identifier (NPI) is 1346205416, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric B. Bass, M.D. located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-9434. Providers update this record themselves, so call before visiting.
How can I verify Eric B. Bass, M.D.'s license?
NPPES lists Maryland license number D35199, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric B. Bass, M.D. prescribe under Medicare Part D?
In 2024, Eric B. Bass, M.D. had 760 Medicare Part D claims for 121 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.