Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Jeffrey Cheng-Feng Ni, MD

Individual provider Pediatrics Physician · NPI 1639630114

Dr. Jeffrey Cheng-Feng Ni, MD is a Pediatric Medicine in San Francisco, California. Qualified in 2019, 7 years ago. Practices with UCSF Pediatrics Associates, a 107-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
7
Licensed in
CA, IL
In the registry since
2019
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

550 16th St Fl 4
San Francisco, CA 94158-2604
Phone: (415) 353-7337
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5841 S Maryland Ave # Mc8016, Chicago, IL 60637-1443 — (773) 702-9960

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A176705 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence 125073610 (IL)

Record details

NPI number1639630114
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2019
Last updated in NPPESJune 20, 2025
Certification dateJune 20, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Ucsf Pediatrics Associates — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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