Maria Hammill, MD
NPI 1235178054 · Child & Adolescent Psychiatry Physician · Greenbelt, MD
Maria Hammill, MD is a Child & Adolescent Psychiatry Physician provider in Greenbelt, MD (NPI 1235178054).
Provider details
- NPI number
- 1235178054
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0046677 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2012-10-25
Frequently asked questions
- What is Maria Hammill's NPI number?
- Maria Hammill's National Provider Identifier (NPI) is 1235178054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Hammill's specialty?
- Maria Hammill is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Hammill located?
- Maria Hammill's practice location on file with NPPES is 7474 Greenway Center Dr, Greenbelt, MD 20770-3504.
- What is Maria Hammill's phone number?
- The practice phone number listed in the NPPES registry for Maria Hammill is (301) 982-3437.
- Is Maria Hammill's NPI active?
- Yes — Maria Hammill's NPI (1235178054) is active in the NPPES registry as of the last update on 2012-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.