Gregory S. Mestanas, PH.D
Clinical Psychologist · Annapolis, MD
Gregory S. Mestanas, PH.D is a clinical psychologist with a practice address in Annapolis, Maryland, and NPI 1477619666, issued on Dec 29, 2006. Check the license (Maryland 00645, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory S. Mestanas
- Credential
- PH.D
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 00645 MD
Self-reported in NPPES; status is on the state search - Practice location
- 70 Gentry CT, Annapolis, MD 21403
- Phone
- (410) 268-1199
- Enumerated
- Dec 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,499 in Maryland → Look up another NPI →
Verify Gregory S. Mestanas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 00645Check 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 S. Mestanas among 1,499 clinical psychologist records in Maryland
Gregory S. Mestanas, PH.D is one of 1,499 clinical psychologist records with a practice address in Maryland. 10% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2007 · 64% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 clinical psychologist records list a practice address in Annapolis
They are 46 of the 3,629 NPPES records with a practice address in Annapolis, and 1,499 clinical psychologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,499 in Maryland → Every provider in Annapolis → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Meghan Buckley, PSY.D.Annapolis, MD 214031194979823
- Judith CliffordAnnapolis, MD 214031831590132
- Courtney Cusack, PSY.DAnnapolis, MD 214031295982122
- Elaine Goldberg, PHDAnnapolis, MD 214031366561722
- Sally McBride, PH.D.Annapolis, MD 214031801099080
- Regina Chace, CLINICAL PSYCH.Annapolis, MD 214021164483996
- Jacqueline Cooper, CLINICAL PSYCHAnnapolis, MD 214021225000789
- Andrew Davidson, CLINICAL PSYCHAnnapolis, MD 214021174595334
Common questions
What is Gregory S. Mestanas, PH.D's NPI number?
Gregory S. Mestanas, PH.D's National Provider Identifier (NPI) is 1477619666, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Mestanas, PH.D located?
The NPPES record lists a practice address at 70 Gentry CT, Annapolis, MD, 21403. Phone: (410) 268-1199. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Mestanas, PH.D's license?
NPPES lists Maryland license number 00645, as entered by the provider. Search the Maryland 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.