Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Maria C Hammill, MD

Individual provider Child & Adolescent Psychiatry Physician · NPI 1235178054

Dr. Maria C Hammill, MD is a Child & Adolescent Psychiatry Physician in Greenbelt, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

7474 Greenway Center Dr Ste 730
Greenbelt, MD 20770-3504
Phone: (301) 982-3437
Fax: (301) 982-9452
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence D0046677 (MD)

Record details

NPI number1235178054
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESOctober 25, 2012

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