Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Sunil Rajanna Ramaswamy, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1376906347

Dr. Sunil Rajanna Ramaswamy, MD is registered under Critical Care (Intensivists) in Riverside, California. Qualified in 2016, 10 years ago. Practices with Hp Intensivist Medical Group, Inc, a 16-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
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

4234 Riverwalk Pkwy Ste 230
Riverside, CA 92505-3312
Phone: (951) 781-3672
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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 A2061630 (CA)

Record details

NPI number1376906347
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2016
Last updated in NPPESSeptember 2, 2022
Certification dateSeptember 2, 2022

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Hp Intensivist Medical Group, Inc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 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 patients259
Services billed 1,384 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.

Colleagues at Hp Intensivist Medical Group, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 16 clinicians in the practice; 8 are shown here.

Other providers in Riverside