Katherine Mcgrath, DO
NPI 1649807660 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mcgrath, DO is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1649807660).
Provider details
- NPI number
- 1649807660
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 02007226A (IN)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 8414 Naab RdIndianapolis, IN 46260-1972Phone: (317) 338-7510
- 8414 Naab Rd Ste 100Indianapolis, IN 46260-1972Phone: (317) 338-7510
Registry dates
- Enumerated
- 2020-03-27
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Katherine Mcgrath's NPI number?
- Katherine Mcgrath's National Provider Identifier (NPI) is 1649807660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mcgrath's specialty?
- Katherine Mcgrath is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Mcgrath located?
- Katherine Mcgrath's practice location on file with NPPES is 8333 Naab Rd Ste 420, Indianapolis, IN 46260-1992.
- What is Katherine Mcgrath's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mcgrath is (317) 338-6666.
- Does Katherine Mcgrath accept Medicare?
- Katherine Mcgrath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mcgrath's NPI active?
- Yes — Katherine Mcgrath's NPI (1649807660) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.