NPPES file of Aug 9, 2026

Maria C. Hammill, MD

Child & Adolescent Psychiatry Physician · Greenbelt, MD

Maria C. Hammill, MD is a child & adolescent psychiatry physician with a practice address in Greenbelt, Maryland, and NPI 1235178054, issued on Jun 6, 2006. Check the license (Maryland D0046677, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1235178054
Name
Maria C. Hammill
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
D0046677 MD
Self-reported in NPPES; status is on the state search
Practice location
7474 Greenway Center Dr, Greenbelt, MD 20770
Phone
(301) 982-3437
Enumerated
Jun 6, 2006
Record last updated
Oct 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(301) 982-9452
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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8 nearest child & adolescent psychiatry physician records → All 257 in Maryland → Look up another NPI →

Also registered at 7474 Greenway Center Dr

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

  1. Emilola Akeredolu, FNPFamily Nurse Practitioner1215417415
  2. Ashley ArchieSocial Worker1689913980
  3. Michael Bellucci, LGSWSocial Worker1881134278
  4. Andrea Boehm, LCSW-CClinical Social Worker1609997782
  5. Yashira Brooks, LCPCProfessional Counselor1528538022
  6. Linda Campbell, LCPCProfessional Counselor1871520627

Verify Maria C. Hammill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0046677    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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Maria C. Hammill among 257 child & adolescent psychiatry physician records in Maryland

Maria C. Hammill, MD is one of 257 child & adolescent psychiatry physician records with a practice address in Maryland. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 74% newer
  • In a Medicare fileNo · 51% of these records are
  • In the CMS Doctors and Clinicians fileNo · 22% of these records are
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Maryland

There are 257 child & adolescent psychiatry physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 257 in Maryland → Every provider in Greenbelt → Child & Adolescent Psychiatry Physician nationwide →

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Haroldo Drachenberg, M.D.Highland, MD 207771548436041
  2. Sanaz Kumar, M.D.Hyattsville, MD 207821225267545
  3. Grace Inyang, MDClinton, MD 207351023163037
  4. Lawrence Brain, M.D.Bethesda, MD 208141801931753
  5. Nina Burruss, MDBethesda, MD 208141598386278
  6. Adia Cobb, M.D.Bethesda, MD 208141881037331
  7. Jennifer Costello, D.O.Bethesda, MD 208141205251139
  8. Maureen Donnelly, M.D.Bethesda, MD 208141639292642

Common questions

What is Maria C. Hammill, MD's NPI number?

Maria C. Hammill, MD's National Provider Identifier (NPI) is 1235178054, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria C. Hammill, MD located?

The NPPES record lists a practice address at 7474 Greenway Center Dr, Greenbelt, MD, 20770. Phone: (301) 982-3437. Providers update this record themselves, so call before visiting.

How can I verify Maria C. Hammill, MD's license?

NPPES lists Maryland license number D0046677, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.