Keith Mastin, MD
NPI 1619942943 · Family Medicine Physician · Brooklyn Center, MN
Keith Mastin, MD is a Family Medicine Physician provider in Brooklyn Center, MN (NPI 1619942943).
Provider details
- NPI number
- 1619942943
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27701 (MN)
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
20 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
- 2006-02-21
- Last updated
- 2015-12-28
Frequently asked questions
- What is Keith Mastin's NPI number?
- Keith Mastin's National Provider Identifier (NPI) is 1619942943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Mastin's specialty?
- Keith Mastin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Mastin located?
- Keith Mastin's practice location on file with NPPES is 6845 Lee Ave N, Brooklyn Center, MN 55429-1717.
- What is Keith Mastin's phone number?
- The practice phone number listed in the NPPES registry for Keith Mastin is (763) 503-4400.
- Is Keith Mastin's NPI active?
- Yes — Keith Mastin's NPI (1619942943) is active in the NPPES registry as of the last update on 2015-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.