Brett I. Greenberger, M.D.
Psychiatry Physician · Columbia, MD
Brett I. Greenberger, M.D. is a psychiatry physician with a practice address in Columbia, Maryland, and NPI 1073591558, issued on Jan 5, 2006. Check the license (Maryland DO061072, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Brett I. Greenberger
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DO061072 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8820 Columbia 100 Pkwy Ste 201, Columbia, MD 21045
- Phone
- (443) 546-4000
- Enumerated
- Jan 5, 2006
- Record last updated
- Feb 13, 2026
- Fax
- (443) 546-4005
- Medicare enrollment
- Enrolled (PECOS I20050309000224); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Verify Brett I. Greenberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DO061072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
159 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam24 claims
- Desvenlafaxine Succinate Er16 claims
- Bupropion Xl11 claims
- Diazepam11 claims
- Sertraline 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.
Industry payments in 2024: $750.18
53 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brett I. Greenberger among 1,451 psychiatry physician records in Maryland
Brett I. Greenberger, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2001 · median 2000 among the 525 with a school on file
- Record last updated2026 · 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).
47 psychiatry physician records list a practice address in Columbia
They are 47 of the 6,690 NPPES records with a practice address in Columbia, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Columbia → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Riffat Ashai, MDColumbia, MD 210451003857038
- Xiu-Di Fan, M. D.Columbia, MD 210451437169232
- Daniel Kim, M.DColumbia, MD 210451992742910
- Anandraj Mattai, MDColumbia, MD 210451407070881
- Karen Meckler, M.D.Columbia, MD 210451396800959
- Altaf Merchant, MDColumbia, MD 210451912027707
- Michelle Pasternack, CCSW CColumbia, MD 210451649217993
- Ariel Vitali, MDColumbia, MD 210451548452147
Common questions
What is Brett I. Greenberger, M.D.'s NPI number?
Brett I. Greenberger, M.D.'s National Provider Identifier (NPI) is 1073591558, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brett I. Greenberger, M.D. located?
The NPPES record lists a practice address at 8820 Columbia 100 Pkwy Ste 201, Columbia, MD, 21045. Phone: (443) 546-4000. Providers update this record themselves, so call before visiting.
How can I verify Brett I. Greenberger, M.D.'s license?
NPPES lists Maryland license number DO061072, 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 Brett I. Greenberger, M.D. prescribe under Medicare Part D?
In 2024, Brett I. Greenberger, M.D. had 159 Medicare Part D claims for 11 beneficiaries; 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.