Katherine Chretien, M.D.
NPI 1275638710 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Chretien, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1275638710).
Provider details
- NPI number
- 1275638710
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D60240 (MD)
Specialties & taxonomies
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
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
- 2006-09-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Chretien's NPI number?
- Katherine Chretien's National Provider Identifier (NPI) is 1275638710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Chretien's specialty?
- Katherine Chretien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Chretien located?
- Katherine Chretien's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is Katherine Chretien's phone number?
- The practice phone number listed in the NPPES registry for Katherine Chretien is (202) 745-8390.
- Does Katherine Chretien accept Medicare?
- Katherine Chretien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Chretien's NPI active?
- Yes — Katherine Chretien's NPI (1275638710) 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.