Charles F. Bahn, M.D.
Ophthalmology Physician · Bethesda, MD
Charles F. Bahn, M.D. is an ophthalmology physician with a practice address in Bethesda, Maryland, and NPI 1609834654, issued on May 1, 2006. Check the license (Maryland D0031521, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Charles F. Bahn
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D0031521 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4848 Battery LN, Bethesda, MD 20814
- Phone
- (301) 657-3022
- Enumerated
- May 1, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20101202000925); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 4848 Battery LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Walsh, LCSW-CClinical Social Worker1104097724
- Jeremy Wiener, MSW, LCSW-CClinical Social Worker1871028233
- Fran Zamore, ACSW, LCSW-C, LICSWClinical Social Worker1154537629
Verify Charles F. Bahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0031521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average ophthalmology physician in 2024
750 Medicare Part D claims for 216 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost164 claims
- Erythromycin98 claims
- Timolol Maleate64 claims
- Brinzolamide43 claims
- Tobramycin-Dexamethasone40 claims
- Prednisolone Acetate29 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Charles F. Bahn among 588 ophthalmology physician records in Maryland
Charles F. Bahn, M.D. is one of 588 ophthalmology physician records with a practice address in Maryland. 72% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1977 · median 2002 among the 369 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Bethesda → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Jonathan Javitt, M.D., M.P.H.Bethesda, MD 208141346495348
- Laurence Jaworski, MDBethesda, MD 208141073916375
- Lucious Lim, M.D.Bethesda, MD 208141235492810
- Emily Morin, MDBethesda, MD 208141588704985
- George Patterson, MDBethesda, MD 208141386642858
- Jacquelyn Weber, M.D.Bethesda, MD 208141689088155
- Mary Fischer, M.D.Chevy Chase, MD 208151306844113
- William Gilbert, M.D.Chevy Chase, MD 208151639143993
Common questions
What is Charles F. Bahn, M.D.'s NPI number?
Charles F. Bahn, M.D.'s National Provider Identifier (NPI) is 1609834654, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles F. Bahn, M.D. located?
The NPPES record lists a practice address at 4848 Battery LN, Bethesda, MD, 20814. Phone: (301) 657-3022. Providers update this record themselves, so call before visiting.
How can I verify Charles F. Bahn, M.D.'s license?
NPPES lists Maryland license number D0031521, 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 Charles F. Bahn, M.D. prescribe under Medicare Part D?
In 2024, Charles F. Bahn, M.D. had 750 Medicare Part D claims for 216 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Charles F. Bahn, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.