John Cook, M.D.
NPI 1235373259 · Obstetrics & Gynecology Physician · Sandusky, OH
John Cook, M.D. is a Obstetrics & Gynecology Physician provider in Sandusky, OH (NPI 1235373259).
Provider details
- NPI number
- 1235373259
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35 . 027945 (OH)
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
17 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
- 2009-04-21
- Last updated
- 2009-04-21
Frequently asked questions
- What is John Cook's NPI number?
- John Cook's National Provider Identifier (NPI) is 1235373259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cook's specialty?
- John Cook is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Cook located?
- John Cook's practice location on file with NPPES is 4209 Autumn Ridge Ln, Sandusky, OH 44870-8221.
- What is John Cook's phone number?
- The practice phone number listed in the NPPES registry for John Cook is (419) 625-1812.
- Is John Cook's NPI active?
- Yes — John Cook's NPI (1235373259) is active in the NPPES registry as of the last update on 2009-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.