Michael Yff, MD
NPI 1477638823 · Family Medicine Physician · Harbor Springs, MI
Michael Yff, MD is a Family Medicine Physician provider in Harbor Springs, MI (NPI 1477638823).
Provider details
- NPI number
- 1477638823
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301066204 (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
- 2006-10-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Yff's NPI number?
- Michael Yff's National Provider Identifier (NPI) is 1477638823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Yff's specialty?
- Michael Yff is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Yff located?
- Michael Yff's practice location on file with NPPES is 115 E Third St, Harbor Springs, MI 49740-0006.
- What is Michael Yff's phone number?
- The practice phone number listed in the NPPES registry for Michael Yff is (231) 526-8840.
- Is Michael Yff's NPI active?
- Yes — Michael Yff's NPI (1477638823) 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.