Mark Klebanov, M.D.
NPI 1861572703 · Endocrinology, Diabetes & Metabolism Physician · Walnut Creek, CA
Mark Klebanov, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Walnut Creek, CA (NPI 1861572703).
Provider details
- NPI number
- 1861572703
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A54480 (CA)
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
- 2006-10-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Klebanov's NPI number?
- Mark Klebanov's National Provider Identifier (NPI) is 1861572703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Klebanov's specialty?
- Mark Klebanov is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Klebanov located?
- Mark Klebanov's practice location on file with NPPES is 120 La Casa Via Ste 102, Walnut Creek, CA 94598-3092.
- What is Mark Klebanov's phone number?
- The practice phone number listed in the NPPES registry for Mark Klebanov is (925) 296-0344.
- Is Mark Klebanov's NPI active?
- Yes — Mark Klebanov's NPI (1861572703) 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.