Katherine Tan
NPI 1790635159 · Acute Care Nurse Practitioner · Washington, DC
Katherine Tan is a Acute Care Nurse Practitioner provider in Washington, DC (NPI 1790635159).
Provider details
- NPI number
- 1790635159
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2025045817 (DC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-02-03
- Last updated
- 2026-02-03
- Certified
- 2026-02-03
Frequently asked questions
- What is Katherine Tan's NPI number?
- Katherine Tan's National Provider Identifier (NPI) is 1790635159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Tan's specialty?
- Katherine Tan is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Tan located?
- Katherine Tan's practice location on file with NPPES is 450 K St Nw Apt 218, Washington, DC 20001-2959.
- What is Katherine Tan's phone number?
- The practice phone number listed in the NPPES registry for Katherine Tan is (631) 357-0289.
- Is Katherine Tan's NPI active?
- Yes — Katherine Tan's NPI (1790635159) is active in the NPPES registry as of the last update on 2026-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.