Clemens Grosskinsky, PHD, MD
NPI 1235128315 · Reproductive Endocrinology Physician · Walnut Creek, CA
Clemens Grosskinsky, PHD, MD is a Reproductive Endocrinology Physician provider in Walnut Creek, CA (NPI 1235128315).
Provider details
- NPI number
- 1235128315
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- PHD, MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35066572G (OH)
Specialties & taxonomies
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
20 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
- 2005-10-20
- Last updated
- 2021-12-14
Frequently asked questions
- What is Clemens Grosskinsky's NPI number?
- Clemens Grosskinsky's National Provider Identifier (NPI) is 1235128315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clemens Grosskinsky's specialty?
- Clemens Grosskinsky is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Clemens Grosskinsky located?
- Clemens Grosskinsky's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Clemens Grosskinsky's phone number?
- The practice phone number listed in the NPPES registry for Clemens Grosskinsky is (925) 906-2329.
- Is Clemens Grosskinsky's NPI active?
- Yes — Clemens Grosskinsky's NPI (1235128315) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.