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Katherine Marshall, MD
NPI 1831101534 · Psychiatry Physician · Washington, DC
Katherine Marshall, MD is a Psychiatry Physician provider in Washington, DC (NPI 1831101534).
Provider details
- NPI number
- 1831101534
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD15218 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES 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
4228 Wisconsin Ave Nw
Washington, DC 20016-2138
Phone: (202) 885-5600
Street-level locationGet directions
Mailing address
1520 Portal Dr Nw
Washington, DC 20012-1222
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Marshall's NPI number?
- Katherine Marshall's National Provider Identifier (NPI) is 1831101534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Marshall's specialty?
- Katherine Marshall is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Marshall located?
- Katherine Marshall's practice location on file with NPPES is 4228 Wisconsin Ave Nw, Washington, DC 20016-2138.
- What is Katherine Marshall's phone number?
- The practice phone number listed in the NPPES registry for Katherine Marshall is (202) 885-5600.
- Is Katherine Marshall's NPI active?
- Yes — Katherine Marshall's NPI (1831101534) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.