Katrina Armstrong, MD
NPI 1275563330 · Hospitalist Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katrina Armstrong, MD is a Hospitalist Physician provider in New York, NY (NPI 1275563330).
Provider details
- NPI number
- 1275563330
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD058383L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
2 documented practice locations
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
Additional practice locations (1)
- 73 High StCharlestown, MA 02129-3026Phone: (617) 724-8135
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2022-11-29
- Certified
- 2022-11-29
Frequently asked questions
- What is Katrina Armstrong's NPI number?
- Katrina Armstrong's National Provider Identifier (NPI) is 1275563330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrina Armstrong's specialty?
- Katrina Armstrong is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Katrina Armstrong located?
- Katrina Armstrong's practice location on file with NPPES is 177 Fort Washington Ave, New York, NY 10032-3733.
- What is Katrina Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Katrina Armstrong is (212) 305-5138.
- Does Katrina Armstrong accept Medicare?
- Katrina Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katrina Armstrong's NPI active?
- Yes — Katrina Armstrong's NPI (1275563330) is active in the NPPES registry as of the last update on 2022-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.