Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Mark W. Cocalis, MD

Individual provider Pediatrics Physician · NPI 1700817913

Dr. Mark W. Cocalis, MD practises Pediatric Medicine in San Francisco, California. Graduated from University of California, Geffen School of Medicine in 1984, 42 years ago. Practices with UCSF Medical Group Business Services, a 1,531-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

505 Parnassus Ave # M-687
San Francisco, CA 94143-2204 Not confirmed with CMS for 18 years — call before visiting
Phone: (415) 476-9181
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence G56243 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence G56243 (CA)

Record details

NPI number1700817913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESSeptember 4, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Ucsf Medical Group Business Services — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Colleagues at UCSF Medical Group Business Services

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1531 clinicians in the practice; 12 are shown here.

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