Jack Master, PA
NPI 1912915059 · Physician Assistant · Ann Arbor, MI
Jack Master, PA is a Physician Assistant provider in Ann Arbor, MI (NPI 1912915059).
Provider details
- NPI number
- 1912915059
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 5601004461 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-08-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jack Master's NPI number?
- Jack Master's National Provider Identifier (NPI) is 1912915059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Master's specialty?
- Jack Master is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jack Master located?
- Jack Master's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48108.
- What is Jack Master's phone number?
- The practice phone number listed in the NPPES registry for Jack Master is (734) 936-5851.
- Is Jack Master's NPI active?
- Yes — Jack Master's NPI (1912915059) 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.