NPPES file of Aug 9, 2026

Henry Hilliard Holcomb, M.D.

Psychiatry Physician · Kensington, MD

Henry Hilliard Holcomb, M.D. is a psychiatry physician with a practice address in Kensington, Maryland, and NPI 1225110075, issued on Oct 20, 2006. Check the license (Maryland D0027903, 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
1225110075
Name
Henry Hilliard Holcomb
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D0027903 MD
Self-reported in NPPES; status is on the state search
Practice location
3317 Ferndale St, Kensington, MD 20895
Phone
(301) 785-4799
Enumerated
Oct 20, 2006
Record last updated
Feb 24, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(240) 559-0992
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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Verify Henry Hilliard Holcomb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0027903
    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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90% fewer Medicare Part D claims than the average psychiatry physician in 2024

95 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Henry Holcomb95
  2. Specialty average1,000

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.

Henry Hilliard Holcomb among 1,451 psychiatry physician records in Maryland

Henry Hilliard Holcomb, 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 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).

12 psychiatry physician records list a practice address in Kensington

They are 12 of the 686 NPPES records with a practice address in Kensington, and 1,451 psychiatry physician records in Maryland.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Robert Blum, M.D.Kensington, MD 208951528283207
  2. James Cooper, MDKensington, MD 208951639279144
  3. David Greenblum, MDKensington, MD 208951467462713
  4. Karl Hawver, M.D.Kensington, MD 208951437152758
  5. Michael Horan, MDKensington, MD 208951215098728
  6. Balbinder Kaur, MDKensington, MD 208951659439578
  7. Lisa McCurry, M.D.Kensington, MD 208951679639173
  8. Barbara Rosenbaum, MDKansington, MD 208951720146624

Common questions

What is Henry Hilliard Holcomb, M.D.'s NPI number?

Henry Hilliard Holcomb, M.D.'s National Provider Identifier (NPI) is 1225110075, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Henry Hilliard Holcomb, M.D. located?

The NPPES record lists a practice address at 3317 Ferndale St, Kensington, MD, 20895. Phone: (301) 785-4799. Providers update this record themselves, so call before visiting.

How can I verify Henry Hilliard Holcomb, M.D.'s license?

NPPES lists Maryland license number D0027903, 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 Henry Hilliard Holcomb, M.D. prescribe under Medicare Part D?

In 2024, Henry Hilliard Holcomb, M.D. had 95 Medicare Part D claims for 17 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.