Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Katherine Blair Wissman, LSCW-C
Social Worker in Rockville, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437161585
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ms. Katherine Blair Wissman
Credential LSCW-C
Sex Female
Practice address 6123 Montrose Rd, Rockville, MD, 20852
Phone (301) 881-3700
Fax (301) 468-1862
Enumeration date Aug 13, 2006
Last updated in NPPES Apr 24, 2013
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 403337000 | Medicaid | MD | - |
| 622642 01 | Other | MD | BCBS OF MD |
| 236676 | Other | MD | KAISER |
| 589530000 | Other | MD | MAGELLAN |
| 7134551 | Other | MD | AETNA |
| A2840130 | Other | DC | BCBS OF DC |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Katherine Wissman practice?
The practice location on file with NPPES is in Rockville, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katherine Wissman?
The National Provider Identifier (NPI) for Katherine Wissman is 1437161585, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Risa Segal Clinical Social Worker · Rockville, MD NPI 1225060924 Ellen Pskowski Social Worker · Rockville, MD NPI 1851303184 Leslie Kessler Social Worker · Rockville, MD NPI 1841202132 Paula Goldberg Social Worker · Rockville, MD NPI 1629080924 Dawn Young Social Worker · Rockville, MD NPI 1497767701 Wendy Baber Social Worker · Rockville, MD NPI 1366454670 Ruth Kershner Social Worker · Rockville, MD NPI 1124030440 Cheryl Weisel Social Worker · Rockville, MD NPI 1558373878
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-24.