Mark Kashtan, MD MPH
NPI 1346634649 · Student in an Organized Health Care Education/Training Program · Loma Linda, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kashtan, MD MPH is a Student in an Organized Health Care Education/Training Program provider in Loma Linda, CA (NPI 1346634649).
Provider details
- NPI number
- 1346634649
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD MPH
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2015-03-24
- Last updated
- 2023-07-19
- Certified
- 2023-07-19
Frequently asked questions
- What is Mark Kashtan's NPI number?
- Mark Kashtan's National Provider Identifier (NPI) is 1346634649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kashtan's specialty?
- Mark Kashtan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Mark Kashtan located?
- Mark Kashtan's practice location on file with NPPES is 11175 Campus St # 21111, Loma Linda, CA 92350-5400.
- What is Mark Kashtan's phone number?
- The practice phone number listed in the NPPES registry for Mark Kashtan is (909) 558-4619.
- Does Mark Kashtan accept Medicare?
- Mark Kashtan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kashtan's NPI active?
- Yes — Mark Kashtan's NPI (1346634649) is active in the NPPES registry as of the last update on 2023-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.