Mark Chinowsky
NPI 1699260539 · Internal Medicine Physician · Rancho Palos Verdes, CA
Mark Chinowsky is a Internal Medicine Physician provider in Rancho Palos Verdes, CA (NPI 1699260539).
Provider details
- NPI number
- 1699260539
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- G23133 (CA)
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
8 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
- 2018-06-23
- Last updated
- 2018-06-23
Frequently asked questions
- What is Mark Chinowsky's NPI number?
- Mark Chinowsky's National Provider Identifier (NPI) is 1699260539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chinowsky's specialty?
- Mark Chinowsky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chinowsky located?
- Mark Chinowsky's practice location on file with NPPES is 3368 Crownview Dr, Rancho Palos Verdes, CA 90275-6418.
- What is Mark Chinowsky's phone number?
- The practice phone number listed in the NPPES registry for Mark Chinowsky is (310) 833-1632.
- Is Mark Chinowsky's NPI active?
- Yes — Mark Chinowsky's NPI (1699260539) is active in the NPPES registry as of the last update on 2018-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.