IndividualActive
Mark Janowski, M.D.
NPI 1689878969 · Internal Medicine Physician · San Diego, CA
Mark Janowski, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1689878969).
Provider details
- NPI number
- 1689878969
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A86276 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
5030 Camino De La Siesta
#208
San Diego, CA 92108-3116
Phone: (619) 260-6300
Fax: (619) 260-6313
Street-level locationGet directions
Mailing address
5030 Camino De La Siesta
San Diego, CA 92108-3116
Registry dates
- Enumerated
- 2007-06-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Janowski's NPI number?
- Mark Janowski's National Provider Identifier (NPI) is 1689878969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Janowski's specialty?
- Mark Janowski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Janowski located?
- Mark Janowski's practice location on file with NPPES is 5030 Camino De La Siesta, San Diego, CA 92108-3116.
- What is Mark Janowski's phone number?
- The practice phone number listed in the NPPES registry for Mark Janowski is (619) 260-6300.
- Is Mark Janowski's NPI active?
- Yes — Mark Janowski's NPI (1689878969) 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.