Gregory A. Grinc, PH.D.
Clinical Psychologist · Washington, DC
Gregory A. Grinc, PH.D. is a clinical psychologist with a practice address in Washington, District of Columbia, and NPI 1285682575, issued on May 5, 2006. Check the license (District of Columbia 1027, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory A. Grinc
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- 1027 DC
1283 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1400 20TH St NW, Washington, DC 20036
- Phone
- (202) 331-8484
- Enumerated
- May 5, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (202) 478-1717
- Medicare enrollment
- Enrolled (PECOS I20120406000021); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 564 in District of Columbia → Look up another NPI →
Also registered at 1400 20TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory A. Grinc in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license 1027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory A. Grinc among 564 clinical psychologist records in District of Columbia
Gregory A. Grinc, PH.D. is one of 564 clinical psychologist records with a practice address in District of Columbia. 4% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 88% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated1978 · median 1996 among the 46 with a school on file
- Record last updated2026 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
558 clinical psychologist records list a practice address in Washington
They are 558 of the 45,857 NPPES records with a practice address in Washington, and 564 clinical psychologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 564 in District of Columbia → Every provider in Washington → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Sally Bloom-Feshbach, PH.D.Washington, DC 200361912120064
- Lorraine Brown, PH.D.Washington, DC 200361700918067
- Pernille Chambliss, PH.D.Washington, DC 200361548384423
- Jennifer Crumlish, PH.D.Washington, DC 200361528167004
- Keith Erickson, PH.D.Washington, DC 200361275628273
- Jeffrey Gernert, PH.D.Washington, DC 200361689683773
- Christine Healy-Johnson, PSY.D.Washington, DC 200361750409694
- Sandra Hoffman Haight, ED DWashington, DC 200361629183074
Common questions
What is Gregory A. Grinc, PH.D.'s NPI number?
Gregory A. Grinc, PH.D.'s National Provider Identifier (NPI) is 1285682575, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Grinc, PH.D. located?
The NPPES record lists a practice address at 1400 20TH St NW, Washington, DC, 20036. Phone: (202) 331-8484. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Grinc, PH.D.'s license?
NPPES lists District of Columbia license number 1027, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity 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. 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.