Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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David O Andino-Nieves, MD

Individual provider Internal Medicine Physician · NPI 1639515638

David O Andino-Nieves, MD practises Internal Medicine in San Francisco, California. Qualified in 2008, 18 years ago. Practices with Galen Inpatient Physicians PC, a 1,031-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2013
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

450 Stanyan St
San Francisco, CA 94117-1019 Not confirmed with CMS for 13 years — call before visiting
Phone: (415) 668-1000
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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 A126484 (CA)

Record details

NPI number1639515638
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 16, 2013
Last updated in NPPESJuly 17, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Galen Inpatient Physicians Pc — 1031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients222
Services billed 981 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Shasta Regional Medical Center Hospital · Redding, CA · listed as Shasta Regional Medical Center, LLC
  • Mercy Medical Center Redding Hospital · Redding, CA
  • Providence St Joseph Hospital Hospital · Eureka, CA
  • Victor Valley Global Medical Center Hospital · Victorville, CA
  • Sutter Care At Home Hospice · Alameda, CA

Also affiliated with 1 long-term care hospital, which CMS identifies by certification number only.

Colleagues at Galen Inpatient Physicians PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1031 clinicians in the practice; 12 are shown here.

Other providers in San Francisco