Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Chi-Na Pak, MD

Individual provider Internal Medicine Physician · NPI 1104915388

Dr. Chi-Na Pak, MD is an Internal Medicine in San Leandro, California. Graduated from University of Maryland School of Medicine in 2005, 21 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
21
Trained at
University of Maryland School of Medicine
Licensed in
CA, MD
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

2500 Merced St Adult Medicine Clinic
San Leandro, CA 94577-4201
Phone: (510) 454-2305
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A115500 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence D64944 (MD)

Record details

NPI number1104915388
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESDecember 15, 2021
Mailing address2500 Merced St, Adult Medicine Clinic, San Leandro, CA 94577-4201

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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