Joann K. Thacker, PHD
Psychologist · Silver Spring, MD
Joann K. Thacker, PHD is a psychologist with a practice address in Silver Spring, Maryland, and NPI 1205862406, issued on Jun 23, 2006. Check the license (Maryland 01659, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joann K. Thacker
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 01659 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11215 Oak Leaf Dr, Silver Spring, MD 20901
- Phone
- (301) 593-1315
- Enumerated
- Jun 23, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (301) 681-4699
- Medicare enrollment
- Enrolled (PECOS I20111110000173); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 1,183 in Maryland → Look up another NPI →
Also registered at 11215 Oak Leaf Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Juliette FogweBehavior Technician1962356048
- Jennie Gosche, LCSW-CClinical Social Worker1609958933
Verify Joann K. Thacker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 01659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Psychogeriatric Services LLCSilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joann K. Thacker among 1,183 psychologist records in Maryland
Joann K. Thacker, PHD is one of 1,183 psychologist records with a practice address in Maryland. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1981 · median 1999 among the 167 with a school on file
- Record last updated2026 · 62% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 psychologist records list a practice address in Silver Spring
They are 75 of the 6,531 NPPES records with a practice address in Silver Spring, and 1,183 psychologist records in Maryland.
All 1,183 in Maryland → Every provider in Silver Spring → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Catherine Bergmann, PHDSilver Spring, MD 209011033149562
- Dennis Hilker, PHDSilver Spring, MD 209011588606099
- Glenn Hogan, PH DSilver Spring, MD 209011942312046
- Chandni Shah, PHDSilver Spring, MD 209011215779160
- Raquel Teitel, PHD PSYCHOLOGISTSilver Spring, MD 209011699701912
- Kevin Young, PH.D.Silver Spring, MD 209011891250270
- Diane Arnkoff, PH.D.Silver Spring, MD 209021053341230
- Maxine Arnsdorf, PH.D.Silver Spring, MD 209021598892762
Common questions
What is Joann K. Thacker, PHD's NPI number?
Joann K. Thacker, PHD's National Provider Identifier (NPI) is 1205862406, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joann K. Thacker, PHD located?
The NPPES record lists a practice address at 11215 Oak Leaf Dr, Silver Spring, MD, 20901. Phone: (301) 593-1315. Providers update this record themselves, so call before visiting.
How can I verify Joann K. Thacker, PHD's license?
NPPES lists Maryland license number 01659, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
What is Joann K. Thacker, PHD's MIPS final score?
The 2023 MIPS final score is 89.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.