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

Krishnamurthy Umapathy, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1871797209

Krishnamurthy Umapathy, MD is registered under Critical Care (Intensivists) in Dublin, California. Qualified in 1996, 30 years ago. Practices with Northbay Physicians Surgery Center, LLC, a 337-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
30
Licensed in
CA, OR
In the registry since
2007
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

2117 Montese Ct
Dublin, CA 94568-2202 Not confirmed with CMS for 12 years — call before visiting
Phone: (503) 758-3780
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence A113119 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD27497 (OR)

Record details

NPI number1871797209
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2007
Last updated in NPPESFebruary 3, 2014

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Northbay Physicians Surgery Center, Llc — 337 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 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 patients131
Services billed 170 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Colleagues at Northbay Physicians Surgery Center, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 337 clinicians in the practice; 12 are shown here.

Other providers in Dublin