NPPES file of Aug 9, 2026

William Griswold Pinney, PH.D.

Psychologist · Washington, DC

William Griswold Pinney, PH.D. is a psychologist with a practice address in Washington, District of Columbia, and NPI 1720013592, issued on Jul 11, 2006. Check the license (District of Columbia PSY1772, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1720013592
Name
William Griswold Pinney
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY1772 DC
Self-reported in NPPES; status is on the state search
Practice location
2440 M St NW, Washington, DC 20037
Phone
(202) 296-7033
Enumerated
Jul 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(202) 223-3939
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 psychologist records → All 330 in District of Columbia → Look up another NPI →

Also registered at 2440 M St NW

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

  1. Rafat Abbasi, M.D.Specialist1114004496
  2. Iman Abdel Mohsen Khalil, MDGeneral Practice Physician1982233763
  3. Kianoush Alem, D.M.D., M.S.Dentist1669823027
  4. Bruce Ames, MDGynecology Physician1912927898
  5. Paula Atkinson, LICSW, E-RYT 500Clinical Social Worker1952767600
  6. Becky Bailey, PH.D.Psychologist1891848495

Verify William Griswold Pinney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license PSY1772    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
Find the District of Columbia license search

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William Griswold Pinney among 330 psychologist records in District of Columbia

William Griswold Pinney, PH.D. is one of 330 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 fileNo · 8% of these records are
  • Record last updated2007 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X 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).

Psychologist providers in District of Columbia

There are 330 psychologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 330 in District of Columbia → Every provider in Washington → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Becky Bailey, PH.D.Washington, DC 200371891848495
  2. Chenere EvansWashington, DC 200371881942555
  3. Zoeann Finzi-Adams, PH.D.Washington, DC 200371336771286
  4. Stephanie Kielb, PHDWashington, DC 200371023561313
  5. Stefan Lund, LCSWWashington, DC 200371275668360
  6. Jacquelyn Nuber, PSYDWashington, DC 200371912798299
  7. Wanda Rappaport, PH.D.Washington, DC 200371033710959
  8. Michael Rohrbaugh, PH.D.Washington, DC 200371205260643

Common questions

What is William Griswold Pinney, PH.D.'s NPI number?

William Griswold Pinney, PH.D.'s National Provider Identifier (NPI) is 1720013592, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Griswold Pinney, PH.D. located?

The NPPES record lists a practice address at 2440 M St NW, Washington, DC, 20037. Phone: (202) 296-7033. Providers update this record themselves, so call before visiting.

How can I verify William Griswold Pinney, PH.D.'s license?

NPPES lists District of Columbia license number PSY1772, 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.

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.