Charlotte Grinberg, MD
Internal Medicine Physician · Chevy Chase, MD
Charlotte Grinberg, MD is an internal medicine physician with a practice address in Chevy Chase, Maryland, and NPI 1750811204, issued on Jun 18, 2017. Check the license (Maryland D97034, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Charlotte Grinberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D97034 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5454 Wisconsin Ave Ste 635, Chevy Chase, MD 20815
- Phone
- (301) 857-9225
- Enumerated
- Jun 18, 2017
- Record last updated
- May 19, 2026
- Fax
- (301) 842-9434
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Charlotte Grinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D97034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
352 Medicare Part D claims for 144 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Morphine Sulfate37 claims
- Lorazepam29 claims
- Levothyroxine Sodium22 claims
- Eliquis19 claims
- Famotidine13 claims
- Tamsulosin Hcl11 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.
Charlotte Grinberg among 3,904 internal medicine physician records in Maryland
Charlotte Grinberg, MD 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
38 internal medicine physician records list a practice address in Chevy Chase
They are 38 of the 1,118 NPPES records with a practice address in Chevy Chase, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Chevy Chase → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Brodsky, M.D.Chevy Chase, MD 208151487675872
- Daniel Esposito, MDChevy Chase, MD 208151184638694
- Kelvin Hao, M.D.Chevy Chase, MD 208151467456459
- Vicki Hudson, M.D.Chevy Chase, MD 208151720043854
- Laura Ann Kragie, M.D.Chevy Chase, MD 208151881652857
- Lila McConnell, MDChevy Chase, MD 208151952322950
- Dahlia Reid, M.D.Chevy Chase, MD 208151598759888
- David Rogers, MDChevy Chase, MD 208151275547788
Common questions
What is Charlotte Grinberg, MD's NPI number?
Charlotte Grinberg, MD's National Provider Identifier (NPI) is 1750811204, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Grinberg, MD located?
The NPPES record lists a practice address at 5454 Wisconsin Ave Ste 635, Chevy Chase, MD, 20815. Phone: (301) 857-9225. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Grinberg, MD's license?
NPPES lists Maryland license number D97034, 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 Charlotte Grinberg, MD prescribe under Medicare Part D?
In 2024, Charlotte Grinberg, MD had 352 Medicare Part D claims for 144 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.