Alan Patterson, D.O.
NPI 1780613307 · Internal Medicine Physician · Saginaw, MI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Patterson, D.O. is a Internal Medicine Physician provider in Saginaw, MI (NPI 1780613307).
Provider details
- NPI number
- 1780613307
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101015641 (MI)
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
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
- 2006-07-03
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Alan Patterson's NPI number?
- Alan Patterson's National Provider Identifier (NPI) is 1780613307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Patterson's specialty?
- Alan Patterson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Patterson located?
- Alan Patterson's practice location on file with NPPES is 1500 Weiss St, Saginaw, MI 48602-5251.
- What is Alan Patterson's phone number?
- The practice phone number listed in the NPPES registry for Alan Patterson is (989) 497-2500.
- Does Alan Patterson accept Medicare?
- Alan Patterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Patterson's NPI active?
- Yes — Alan Patterson's NPI (1780613307) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.