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CLEMENS MARTIN GROSSKINSKY PHD, MD
NPI 1235128315
Obstetrics & Gynecology - Reproductive Endocrinology in Walnut Creek, CA

Active since October 20, 2005
320 LENNON LN, LASSEN BUILDING, 2ND FLOOR, SUITE 5B, WALNUT CREEK, CA 94598(925) 906-2329(925) 906-4870 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Clemens Martin Grosskinsky Phd, Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLEMENS MARTIN GROSSKINSKY PHD, MD (NPI 1235128315) is an individual reproductive endocrinology provider in Walnut Creek, California, licensed in California (G87868) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1235128315
Entity TypeIndividualMale
Primary Taxonomy207VE0102X
Provider Legal NameCLEMENS MARTIN GROSSKINSKYCredential: PHD, MD
Location Address320 LENNON LN, LASSEN BUILDING, 2ND FLOOR, SUITE 5BWalnut Creek, CA 94598-2419
Mailing Address54 San Gregorio CtDanville, CA 94526-1544 · (614) 266-9355
Phone(925) 906-2329
Fax(925) 906-4870
Sole ProprietorNo
Enumeration DateOctober 20, 2005
Last NPPES UpdateDecember 14, 2021
✔ NPI 1235128315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
Licenses✔ Licensed in CA · G87868✔ Licensed in OH · 35066572G
Definition
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.
320 LENNON LN, Walnut Creek, CA 94598
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Other Identifiers 1

Medicaid0264235OH

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA MARIE HECKENLIVELY M.S., CCC-SLP
Speech-Language Pathologist
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2268
DR. NEGAR DOLATSHAHI PIROOZ OD
Optometrist
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2156
KARIN HESS BRIGHT PT
Physical Therapist (Hand)
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2055
STEPHANIE M. PO MD
Ophthalmology
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2000
MR. DAVID NATHANSON
Internal Medicine
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2000
DR. KENNETH MUN LEE O.D.
Optometrist
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2171
JUDY KWAK
Pharmacist
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 906-2503
DR. TIMMOTHY O MERRIGAN M.D.
Family Medicine
320 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (924) 906-2326

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clemens Grosskinsky's NPI number?

The NPI number for Clemens Grosskinsky is 1235128315. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Clemens Grosskinsky located?

Clemens Grosskinsky practices at 320 Lennon Ln Lassen Building, 2nd Floor, Suite 5B, Walnut Creek, CA 94598. The listed phone number is (925) 906-2329.

What is Clemens Grosskinsky's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

When was this NPI record last updated?

The NPPES record for Clemens Grosskinsky was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.