Charumathi Raghu Subramanian

  • San Francisco, CA
  • Hospitalist
NPI1851700850PAC ID7315246089
Medicare services, 2023
147
Medicare patients, 2024
23
Part D claims, 2019
22
MIPS score, 2024
100
Hospital affiliations
1
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 7 affiliations

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Charumathi Raghu Subramanian is a hospitalist in San Francisco, California

Charumathi Raghu Subramanian practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Charumathi Raghu Subramanian's NPI, 1851700850, was assigned on August 5, 2014. Charumathi Raghu Subramanian holds California license A147409.

NPI and contact details
Medicare PAC ID
7315246089
NPI enumeration date
August 5, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Charumathi Raghu Subramanian practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Charumathi Raghu Subramanian's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Charumathi Raghu Subramanian is affiliated with 1 site of care and 6 medical groups

Charumathi Raghu Subramanian's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Charumathi Raghu Subramanian to 5 more medical groups, each named with a free account.

See all 7 affiliations for Charumathi Raghu Subramanian

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Charumathi Raghu Subramanian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Charumathi Raghu Subramanian practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Charumathi Raghu Subramanian is one of 3,186 hospitalists in California

Hospitalist is Charumathi Raghu Subramanian's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Charumathi Raghu Subramanian's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A147409 · taxonomy 208M00000X
  • Pennsylvania licenseLicense MT207007

Hospitalists near Charumathi Raghu Subramanian

Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Charumathi Raghu Subramanian billed Medicare for 147 services in 2023

CMS data shows 147 Medicare services from Charumathi Raghu Subramanian across 3 procedure codes in 2023, for 23 Medicare patients. Medicare paid $12,796 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2023147
Medicare patients23
Paid by Medicare$12,796
Procedure codes3

Charumathi Raghu Subramanian's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 4432023: 14767%

Charumathi Raghu Subramanian compared with the California median for hospitalists, 2023

  • Charumathi Raghu Subramanian
  • California median
Medicare services
147vs 43066% below
Medicare patients
23vs 20189% below
Part D claims
22vs 6968% below

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Charumathi Raghu Subramanian's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Charumathi Raghu Subramanian

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Charumathi Raghu Subramanian treated 23 Medicare patients in 2024, average age 75

CMS counts 23 Medicare patients who saw Charumathi Raghu Subramanian in 2024. 75% of them have high blood pressure, and 65% have high cholesterol. 48% are also on Medicaid. Their average risk score is 3.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Charumathi Raghu Subramanian's median patient age at 78, with 55% women.

Medicare patients, 202423
Average age75
Average risk score3.66
Also on Medicaid48%

Chronic conditions among Charumathi Raghu Subramanian's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol65%
  3. Arthritis61%
  4. Anxiety48%
  5. Chronic kidney disease48%
  6. Ischemic heart disease48%

Share of Medicare patients with each condition. A patient can have several.

Charumathi Raghu Subramanian's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women55%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Charumathi Raghu Subramanian wrote 22 Medicare Part D claims in 2019

In 2019, Charumathi Raghu Subramanian wrote 22 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $152 in total drug cost. In 2017, CMS named 54 claims across 4 drugs.

Part D claims, 201922
Drugs named by CMS2
Total drug cost$152

Charumathi Raghu Subramanian's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2019

  • 2017
  • 2019
Claims for drugs CMS names
2017: 542019: 2259%

Drugs named by CMS: 2 in 2019, 4 in 2017.

See all prescribing by Charumathi Raghu Subramanian

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Charumathi Raghu Subramanian scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Charumathi Raghu Subramanian for performance year 2024, reported as part of a group. Charumathi Raghu Subramanian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Charumathi Raghu Subramanian's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities
  • 81of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Charumathi Raghu Subramanian received $268 in industry payments from 2016 to 2024

CMS Open Payments shows 17 general payments to Charumathi Raghu Subramanian from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $103.

General payments to Charumathi Raghu Subramanian by program year, 2016 to 2024

Companies that paid Charumathi Raghu Subramanian the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Charumathi Raghu Subramanian

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Charumathi Raghu Subramanian's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Charumathi Raghu Subramanian

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Charumathi Raghu Subramanian's NPI number?

Charumathi Raghu Subramanian's NPI number is 1851700850. It was assigned on August 5, 2014, and it is active in the NPI Registry.

What does Charumathi Raghu Subramanian specialize in?

Charumathi Raghu Subramanian is a hospitalist in San Francisco, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Charumathi Raghu Subramanian practice?

Charumathi Raghu Subramanian practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Charumathi Raghu Subramanian's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Charumathi Raghu Subramanian to 5 medical groups.

What is Charumathi Raghu Subramanian's office phone number?

The practice phone on file for Charumathi Raghu Subramanian is (415) 353-2733.

What is Charumathi Raghu Subramanian's medical license number?

Charumathi Raghu Subramanian holds California license A147409, one of the licenses on file in 2 states.

Which states has Charumathi Raghu Subramanian been licensed in?

Dmand AI has state licenses on file for Charumathi Raghu Subramanian in California and Pennsylvania.

Which hospitals is Charumathi Raghu Subramanian affiliated with?

Charumathi Raghu Subramanian practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Charumathi Raghu Subramanian part of?

Charumathi Raghu Subramanian is linked to UCSF Pediatrics. Dmand AI links Charumathi Raghu Subramanian to 5 more medical groups.

Does Charumathi Raghu Subramanian accept Medicare?

Yes. CMS data shows Charumathi Raghu Subramanian billed Medicare for 147 services in 2023, and Charumathi Raghu Subramanian accepts Medicare assignment.

What is Charumathi Raghu Subramanian's MIPS score?

Charumathi Raghu Subramanian's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Charumathi Raghu Subramanian see?

CMS counts 23 Medicare patients who saw Charumathi Raghu Subramanian in 2024, with an average age of 75.

What services does Charumathi Raghu Subramanian bill to Medicare?

In 2023, Charumathi Raghu Subramanian's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

What drugs does Charumathi Raghu Subramanian prescribe most?

In 2019 Medicare Part D data, Charumathi Raghu Subramanian's most prescribed drugs by claims were Pantoprazole Sodium and Prednisone.

Has Charumathi Raghu Subramanian received payments from drug or device companies?

CMS Open Payments shows $268 in general payments to Charumathi Raghu Subramanian from 7 companies from 2016 to 2024. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Charumathi Raghu Subramanian been practicing?

Charumathi Raghu Subramanian graduated from medical school in 2010, 16 years ago.

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