Susan Ritter, M.D.
NPI 1518052919 · Obstetrics Physician · Marquette, MI
Susan Ritter, M.D. is a Obstetrics Physician provider in Marquette, MI (NPI 1518052919).
Provider details
- NPI number
- 1518052919
- Entity type
- Individual
- Primary specialty
- Obstetrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301064446 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2025-09-11
Frequently asked questions
- What is Susan Ritter's NPI number?
- Susan Ritter's National Provider Identifier (NPI) is 1518052919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Ritter's specialty?
- Susan Ritter is listed in the NPPES registry with a primary specialty of Obstetrics Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Ritter located?
- Susan Ritter's practice location on file with NPPES is 1414 W Fair Avenue, Marquette, MI 49855.
- What is Susan Ritter's phone number?
- The practice phone number listed in the NPPES registry for Susan Ritter is (906) 225-3881.
- Is Susan Ritter's NPI active?
- Yes — Susan Ritter's NPI (1518052919) 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.