St. John Health System / Oakland General Hospital
NPI 1922188135 · Internal Medicine Physician · Warren, MI
St. John Health System / Oakland General Hospital is a Internal Medicine Physician organization in Warren, MI (NPI 1922188135).
Provider details
- NPI number
- 1922188135
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sandra Whitman, Director(586) 226-6838
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Adult Medicine Physician207QA0505X
Allopathic & Osteopathic Physicians
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
Other names (DBA / former)
- Doing business as
- Oakland Primary Care
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2025-09-11
Frequently asked questions
- What is St. John Health System / Oakland General Hospital's NPI number?
- St. John Health System / Oakland General Hospital's National Provider Identifier (NPI) is 1922188135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St. John Health System / Oakland General Hospital?
- St. John Health System / Oakland General Hospital is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is St. John Health System / Oakland General Hospital located?
- St. John Health System / Oakland General Hospital's practice location on file with NPPES is 27472 Schoenherr Rd, Warren, MI 48088-6688.
- What is St. John Health System / Oakland General Hospital's phone number?
- The practice phone number listed in the NPPES registry for St. John Health System / Oakland General Hospital is (586) 582-7550.
- Who is the authorized official for St. John Health System / Oakland General Hospital?
- The authorized official listed on St. John Health System / Oakland General Hospital's NPPES record is Sandra Whitman, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St. John Health System / Oakland General Hospital's NPI active?
- Yes — St. John Health System / Oakland General Hospital's NPI (1922188135) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.