Joanna Katherman, LGSW
Social Worker · Denton, MD
Joanna Katherman, LGSW is a social worker with a practice address in Denton, Maryland, and NPI 1790067221, issued on Sep 11, 2011. Check the license (Maryland 16441, 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
- Joanna Katherman
- Credential
- LGSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 16441 MD
Self-reported in NPPES; status is on the state search - Practice location
- 606 Sunnyside Ave, Denton, MD 21629
- Phone
- (410) 479-3800
- Enumerated
- Sep 11, 2011
- Entity
- Type 1 · individual
Also registered at 606 Sunnyside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Ball Coleman, LCSWCSocial Worker1265593297
- Doran Bowman, RNRegistered Nurse1760423776
- Martin Brandes, MDPsychiatry Physician1629016688
- Carla Clark-Guthrie, MSWClinical Social Worker1679771901
- Melissa ForbesSocial Worker1336397793
- Patricia Gentry, MSW LCSW CSocial Worker1366482283
Verify Joanna Katherman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 16441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
10 social worker records list a Denton practice address
They are 10 of the 161 NPPES records with a Denton practice address, and 4,221 social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10 in Denton → All 4,221 in Maryland → Every provider in Denton →
Other social worker records in Maryland
- Sarah Abbott, LMSWFrederick, MD1063111540
- Katie AbdallaEaston, MD1891298063
- Shahla Abdi, LMSWGaithersburg, MD1093399503
- Athaan Abdul-Kaudeyr, LMSWEllicott City, MD1265310122
- Alexandra AbellAbingdon, MD1487124525
- Noelle AbrahamsRosedale, MD1487525382
- Devorah Abrams, LMSWBaltimore, MD1558820571
- Kristin Abrams, LMSWTowson, MD1245080126
- Janice Abt, LCSW-CSilver Spring, MD1407864135
- Jennifer Ackerman Helfand, LCSW-CBethesda, MD1912658659
Common questions
What is Joanna Katherman, LGSW's NPI number?
Joanna Katherman, LGSW's National Provider Identifier (NPI) is 1790067221, issued on Sep 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Katherman, LGSW located?
The NPPES record lists a practice address at 606 Sunnyside Ave, Denton, MD, 21629. Phone: (410) 479-3800. Providers update this record themselves, so call before visiting.
How can I verify Joanna Katherman, LGSW's license?
NPPES lists Maryland license number 16441, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.