Adam D. Klein, PH.D.
Clinical Psychologist · Annapolis, MD
Adam D. Klein, PH.D. is a clinical psychologist with a practice address in Annapolis, Maryland, and NPI 1801290259, issued on Oct 14, 2014. Check the license (Maryland 03652, 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
- Adam D. Klein
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 03652 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1831 Forest Dr Ste B, Annapolis, MD 21401
- Phone
- (202) 421-3366
- Enumerated
- Oct 14, 2014
- Record last updated
- Oct 14, 2014 (not updated in 12 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 →
Also registered at 1831 Forest Dr Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Louise Weaver, LCSW-CClinical Social Worker1477624500
Verify Adam D. Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 03652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Adam D. Klein among 1,499 clinical psychologist records in Maryland
Adam D. Klein, 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 2014, is newer than 61% of them.
- NPI issued2014 · 61% of these records are older, 36% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2014 · 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
- Margery Calhoun, PHDAnnapolis, MD 214011922168137
- Deborah Gambles, PSY.D.Annapolis, MD 214011891013835
- Mark Hedlund, PHDAnnapolis, MD 214011366596280
- Patricia Held, PHDAnnapolis, MD 214011164461588
- Lisa Hill, PSY.D.Annapolis, MD 214011366779027
- Leo Hruska, PH.D.Annapolis, MD 214011154488302
- Teresa Hunt, PHDAnnapolis, MD 214011609836105
- Brian Konik, PHDAnnapolis, MD 214011306165139
Common questions
What is Adam D. Klein, PH.D.'s NPI number?
Adam D. Klein, PH.D.'s National Provider Identifier (NPI) is 1801290259, issued on Oct 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Adam D. Klein, PH.D. located?
The NPPES record lists a practice address at 1831 Forest Dr Ste B, Annapolis, MD, 21401. Phone: (202) 421-3366. Providers update this record themselves, so call before visiting.
How can I verify Adam D. Klein, PH.D.'s license?
NPPES lists Maryland license number 03652, 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.