NPPES file of Aug 9, 2026

Martin J. Book, D.O.

Psychiatry Physician · Bethesda, MD

Martin J. Book, D.O. is a psychiatry physician with a practice address in Bethesda, Maryland, and NPI 1528103603, issued on Feb 20, 2007. Check the license (Maryland H25983, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528103603
Name
Martin J. Book
Credential
D.O.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
H25983 MD
Self-reported in NPPES; status is on the state search
Practice location
7910 Woodmont Ave, Bethesda, MD 20814
Phone
(301) 654-2255
Enumerated
Feb 20, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 718-4945
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7910 Woodmont Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mayada Akil, MDPsychiatry Physician1639225824
  2. Robin Belamaric, PH.D.Clinical Psychologist1497735823
  3. Ruth Berkowitz, PSYDClinical Psychologist1376970087
  4. Catherine Bernard, PH.D.Counseling Psychologist1154528040
  5. Lawrence Brain, M.D.Child & Adolescent Psychiatry Physician1801931753
  6. Carolyn Breslin, PH.D.Psychologist1912360835

Verify Martin J. Book in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H25983
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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38% more Medicare Part D claims than the average psychiatry physician in 2024

1,376 Medicare Part D claims for 133 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Martin Book1,376
  2. Specialty average1,000

Most prescribed

  1. Clonazepam98 claims
  2. Sertraline Hcl95 claims
  3. Lorazepam83 claims
  4. Dextroamphetamine-Amphetamine76 claims
  5. Trazodone Hcl71 claims
  6. Diazepam69 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.

Martin J. Book among 1,451 psychiatry physician records in Maryland

Martin J. Book, D.O. 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 38% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 36% of these records are
  • Record last updated2007 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Paul Andreason, MDBethesda, MD 208141407957137
  2. Carlos Astrada, M.D.Bethesda, MD 208141558379958
  3. Emmanuel Cassimatis, M.D.Bethesda, MD 208141568482172
  4. Suruchi Chandra, M.D.Bethesda, MD 208141285669283
  5. Frances Claytor, M.D.Bethesda, MD 208141487682043
  6. Ellen Cronin, M.D.Bethesda, MD 208141699753475
  7. Fiona Fox, M.D.Bethesda, MD 208141679684377
  8. Lauren Hodas, M.D.Bethesda, MD 208141710088281

Common questions

What is Martin J. Book, D.O.'s NPI number?

Martin J. Book, D.O.'s National Provider Identifier (NPI) is 1528103603, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Martin J. Book, D.O. located?

The NPPES record lists a practice address at 7910 Woodmont Ave, Bethesda, MD, 20814. Phone: (301) 654-2255. Providers update this record themselves, so call before visiting.

How can I verify Martin J. Book, D.O.'s license?

NPPES lists Maryland license number H25983, 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 Martin J. Book, D.O. prescribe under Medicare Part D?

In 2024, Martin J. Book, D.O. had 1,376 Medicare Part D claims for 133 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.