Gregory Samuel Barba Barber, MD
Psychiatry Physician · North Bethesda, MD
Gregory Samuel Barba Barber, MD is a psychiatry physician with a practice address in North Bethesda, Maryland, and NPI 1043714561, issued on Mar 20, 2018. Check the license (Maryland D89322, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gregory Samuel Barba Barber
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D89322 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6270 Montrose RD, North Bethesda, MD 20852
- Phone
- (410) 960-7272
- Enumerated
- Mar 20, 2018
- Record last updated
- Sep 26, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Verify Gregory Samuel Barba Barber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D89322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
11 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Gregory Samuel Barba Barber among 1,451 psychiatry physician records in Maryland
Gregory Samuel Barba Barber, MD is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 11% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 psychiatry physician records list a practice address in North Bethesda
They are 6 of the 179 NPPES records with a practice address in North Bethesda, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in North Bethesda → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lisa Chun, M.D.Rockville, MD 208521801922422
- Caroline Dupont, MDRockville, MD 208521477686319
- Herbert Gross, M.D.Rockville, MD 208521508827510
- Naveena Hemanth, M.DRockville, MD 208521063599025
- John Hsiao, M.D.Rockville, MD 208521346348018
- Steven Israel, M.D.Rockville, MD 208521063548196
- Martha Martin, M.D.North Bethesda, MD 208521861550204
- Piyush Patel, M.D.Rockville, MD 208521164413159
Common questions
What is Gregory Samuel Barba Barber, MD's NPI number?
Gregory Samuel Barba Barber, MD's National Provider Identifier (NPI) is 1043714561, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Samuel Barba Barber, MD located?
The NPPES record lists a practice address at 6270 Montrose RD, North Bethesda, MD, 20852. Phone: (410) 960-7272. Providers update this record themselves, so call before visiting.
How can I verify Gregory Samuel Barba Barber, MD's license?
NPPES lists Maryland license number D89322, 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 Gregory Samuel Barba Barber, MD prescribe under Medicare Part D?
In 2024, Gregory Samuel Barba Barber, MD had 11 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.