Andrew Marshall Speer, M.D.
Psychiatry Physician · Bethesda, MD
Andrew Marshall Speer, M.D. is a psychiatry physician with a practice address in Bethesda, Maryland, and NPI 1386884492, issued on Mar 2, 2009. Check the license (Maryland D0059147, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Andrew Marshall Speer
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0059147 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4804 Montgomery LN, Bethesda, MD 20814
- Phone
- (301) 633-9228
- Enumerated
- Mar 2, 2009
- Record last updated
- Mar 2, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 4804 Montgomery LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Musediq Lawal, PMHNPPsychiatric/Mental Health Nurse Practitioner1336854678
- Jack Mangold, LCSW-CClinical Social Worker1679781017
Verify Andrew Marshall Speer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0059147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average psychiatry physician in 2024
1,476 Medicare Part D claims for 184 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Gabapentin252 claims
- Mirtazapine110 claims
- Divalproex Sodium109 claims
- Trazodone Hcl88 claims
- Olanzapine85 claims
- Risperidone83 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 practice group's MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Andrew Marshall Speer among 1,451 psychiatry physician records in Maryland
Andrew Marshall Speer, 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 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2009 · 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).
171 psychiatry physician records list a practice address in Bethesda
They are 171 of the 7,245 NPPES records with a practice address in Bethesda, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Bethesda → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Paul Andreason, MDBethesda, MD 208141407957137
- Carlos Astrada, M.D.Bethesda, MD 208141558379958
- Emmanuel Cassimatis, M.D.Bethesda, MD 208141568482172
- Suruchi Chandra, M.D.Bethesda, MD 208141285669283
- Frances Claytor, M.D.Bethesda, MD 208141487682043
- Ellen Cronin, M.D.Bethesda, MD 208141699753475
- Fiona Fox, M.D.Bethesda, MD 208141679684377
- Lauren Hodas, M.D.Bethesda, MD 208141710088281
Common questions
What is Andrew Marshall Speer, M.D.'s NPI number?
Andrew Marshall Speer, M.D.'s National Provider Identifier (NPI) is 1386884492, issued on Mar 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Marshall Speer, M.D. located?
The NPPES record lists a practice address at 4804 Montgomery LN, Bethesda, MD, 20814. Phone: (301) 633-9228. Providers update this record themselves, so call before visiting.
How can I verify Andrew Marshall Speer, M.D.'s license?
NPPES lists Maryland license number D0059147, 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 Andrew Marshall Speer, M.D. prescribe under Medicare Part D?
In 2024, Andrew Marshall Speer, M.D. had 1,476 Medicare Part D claims for 184 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Andrew Marshall Speer, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.6 of 100, reported for the practice group. 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.