CHARUMATHI RAGHU SUBRAMANIAN
NPI 1851700850
Hospitalist in San Francisco, CA
About Charumathi Raghu Subramanian NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARUMATHI RAGHU SUBRAMANIAN (NPI 1851700850) is an individual hospitalist provider in San Francisco, California, licensed in California (A147409) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Charumathi Raghu Subramanian is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Charumathi Raghu Subramanian reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 217 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Charumathi Raghu Subramanian's NPI number?
The NPI number for Charumathi Raghu Subramanian is 1851700850. It was assigned to this individual provider in the NPPES registry on August 5, 2014.
Where is Charumathi Raghu Subramanian located?
Charumathi Raghu Subramanian practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 885-3723.
What is Charumathi Raghu Subramanian's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Charumathi Raghu Subramanian enrolled in Medicare?
Yes. Charumathi Raghu Subramanian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Charumathi Raghu Subramanian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charumathi Raghu Subramanian reassigns Medicare benefits to 6 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charumathi Raghu Subramanian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charumathi Raghu Subramanian was last updated on February 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Charumathi Raghu Subramanian · NPI 1851700850
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 5, 2014.
## Identity
- **NPI:** 1851700850 (Entity type: Individual)
- **Enumerated:** August 5, 2014
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A147409 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 505 PARNASSUS AVE, San Francisco, CA 94143
- **Phone:** (415) 885-3723 · **Fax:** (415) 476-4818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Quantum Bay Area Hospitalist Medical Group Inc (NPI 1902279656, Mountain View, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** February 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1851700850) · Data from the CMS NPPES public registry.