Gwendolyn Harter
Clinical Social Worker · Bethesda, MD
Gwendolyn Harter is a clinical social worker with a practice address in Bethesda, Maryland, and NPI 1477199719, issued on Nov 21, 2019. Check the license (Maryland 19077, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Harter
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 19077 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4401 E West Hwy Ste 504, Bethesda, MD 20814
- Phone
- (240) 513-3093
- Enumerated
- Nov 21, 2019
- Record last updated
- Nov 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (617) 807-0958
- Medicare enrollment
- Enrolled (PECOS I20191210001913); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,007 in Maryland → Look up another NPI →
Also registered at 4401 E West Hwy Ste 504
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolina CarbajalProfessional Counselor1891320396
- Diana Glogower AbadiProfessional Counselor1609549187
- Patrick HoganProfessional Counselor1588284814
- Jenay Johnson, MSWClinical Social Worker1265125108
- Esther SaggurthiProfessional Counselor1255960027
Verify Gwendolyn Harter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 19077Check 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
- Professional Services OF Holy CrossGermantown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwendolyn Harter among 9,007 clinical social worker records in Maryland
Gwendolyn Harter is one of 9,007 clinical social worker records with a practice address in Maryland. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 64% of them.
- NPI issued2019 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2013 · median 2006 among the 1,685 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
439 clinical social worker records list a practice address in Bethesda
They are 439 of the 7,245 NPPES records with a practice address in Bethesda, and 9,007 clinical social worker records in Maryland.
All 9,007 in Maryland → Every provider in Bethesda → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Elaine Byergo, LCSW-CBethesda, MD 208141417985003
- Jolie Golomb, LCSW,LICSWBethesda, MD 208141659485910
- Linda Hill, LCSW-CBethesda, MD 208141902917636
- Mary Ingate, LCSW-CBethesda, MD 208141508899733
- Claudia James, LCSW-CBethesda, MD 208141932130119
- Barbara Kane, LCSW-CBethesda, MD 208141457383143
- Judith Karger, MSW, LCSW-CBethesda, MD 208141649296898
- Marilyn Lammert, MSWBethesda, MD 208141801818091
Common questions
What is Gwendolyn Harter's NPI number?
Gwendolyn Harter's National Provider Identifier (NPI) is 1477199719, issued on Nov 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Harter located?
The NPPES record lists a practice address at 4401 E West Hwy Ste 504, Bethesda, MD, 20814. Phone: (240) 513-3093. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Harter's license?
NPPES lists Maryland license number 19077, 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.