Jonathan Fleischacker Mattanah, PH.D.
Clinical Psychologist · Towson, MD
Jonathan Fleischacker Mattanah, PH.D. is a clinical psychologist with a practice address in Towson, Maryland, and NPI 1750417598, issued on Feb 26, 2007. Check the license (Maryland 3649, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Fleischacker Mattanah
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 3649 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6525 N Charles St, Towson, MD 21204
- Phone
- (410) 938-8457
- Enumerated
- Feb 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 825-7105
- Medicare enrollment
- Enrolled (PECOS I20050125000116); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,499 in Maryland → Look up another NPI →
Also registered at 6525 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan Fleischacker Mattanah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 3649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Anxiety And Stress Disorders Institute OF MarylandTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Fleischacker Mattanah among 1,499 clinical psychologist records in Maryland
Jonathan Fleischacker Mattanah, 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. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 61% newer
- In a Medicare fileYes · 10% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated1999 · median 2003 among the 265 with a school on file
- 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).
78 clinical psychologist records list a practice address in Towson
They are 78 of the 3,721 NPPES records with a practice address in Towson, and 1,499 clinical psychologist records in Maryland.
All 1,499 in Maryland → Every provider in Towson → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Kimberly Anderson, PHDBaeto, MD 212041659385193
- David Epstein, PH.D.Baltimore, MD 212041003927583
- Eric Lane, PSY.D., PATowson, MD 212041578677225
- Alfred Lucco, PH.D.Towson, MD 212041386650968
- Daniel McLeod, PH.D.Towson, MD 212041770508129
- Jennifer Moran, PSY. D.Baltimore, MD 212041851326243
- Aaron Noonberg, PH.D.Towson, MD 212041770586695
- David Roth, PH. D.Towson, MD 212041942235338
Common questions
What is Jonathan Fleischacker Mattanah, PH.D.'s NPI number?
Jonathan Fleischacker Mattanah, PH.D.'s National Provider Identifier (NPI) is 1750417598, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Fleischacker Mattanah, PH.D. located?
The NPPES record lists a practice address at 6525 N Charles St, Towson, MD, 21204. Phone: (410) 938-8457. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Fleischacker Mattanah, PH.D.'s license?
NPPES lists Maryland license number 3649, 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. 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.