Katrina Mayr, PHARMD
NPI 1831565001 · Ambulatory Care Pharmacist · Billings, MT
Katrina Mayr, PHARMD is a Ambulatory Care Pharmacist provider in Billings, MT (NPI 1831565001).
Provider details
- NPI number
- 1831565001
- Entity type
- Individual
- Primary specialty
- Ambulatory Care PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Female
- Sole proprietor
- No
- License
- 72999 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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)
- 2223 Mission WayBillings, MT 59102-0160Phone: (406) 237-8989
- 5230 Centre AvePittsburgh, PA 15232-1304Phone: (412) 623-7083
Registry dates
- Enumerated
- 2015-08-11
- Last updated
- 2022-10-20
- Certified
- 2022-10-20
Frequently asked questions
- What is Katrina Mayr's NPI number?
- Katrina Mayr's National Provider Identifier (NPI) is 1831565001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrina Mayr's specialty?
- Katrina Mayr is listed in the NPPES registry with a primary specialty of Ambulatory Care Pharmacist (Pharmacy Service Providers).
- Where is Katrina Mayr located?
- Katrina Mayr's practice location on file with NPPES is 1233 N 30th St, Billings, MT 59101-0165.
- What is Katrina Mayr's phone number?
- The practice phone number listed in the NPPES registry for Katrina Mayr is (406) 237-5359.
- Is Katrina Mayr's NPI active?
- Yes — Katrina Mayr's NPI (1831565001) is active in the NPPES registry as of the last update on 2022-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.