Dr. Sumit Kumar, MD

  • Santa Rosa, CA
  • Surgical critical care physician
NPI1811251929PAC ID2668711003
Medicare services, 2024
250
Medicare patients, 2024
172
Part D claims, 2024
13
Hospital affiliations
1
Industry payments
$3,206
Practice address
3325 Chanate Rd, Santa Rosa, CA 95404
Practice phone
Call (707) 576-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sutter Medical Center of Santa Rosa (Closed 2014)

Santa Rosa, California

See all 6 affiliations

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Dr. Sumit Kumar is a surgical critical care physician in Santa Rosa, California

Dr. Kumar practices at Sutter Medical Center of Santa Rosa (Closed 2014) in Santa Rosa, California.

Dr. Kumar's NPI, 1811251929, was assigned on July 3, 2012. Dr. Kumar holds Oklahoma license 34201.

NPI and contact details
Medicare PAC ID
2668711003
NPI enumeration date
July 3, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 576-4000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Sumit Kumar practices at Sutter Medical Center of Santa Rosa (Closed 2014) in Santa Rosa, California

Dr. Kumar's primary practice is Sutter Medical Center of Santa Rosa (Closed 2014), at 3325 Chanate Rd, Santa Rosa, CA 95404 in Sonoma County. The practice phone is (707) 576-4000.

  • Sutter Medical Center of Santa Rosa (Closed 2014)
    3325 Chanate Rd, Santa Rosa, CA 95404 · Sonoma CountyPhone(707) 576-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Sumit Kumar is affiliated with 4 sites of care and 2 medical groups

Dr. Kumar's primary practice is Sutter Medical Center of Santa Rosa (Closed 2014) in Santa Rosa, California. Dr. Kumar is also affiliated with Sutter Santa Rosa Regional Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Kumar to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Kumar

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Sumit Kumar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Medical Center of Santa Rosa (Closed 2014)Available with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sumit Kumar is one of 145 surgical critical care physicians in California

Surgical critical care is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dmand AI has Dr. Kumar's licenses on file in 2 states: Oklahoma and California.

Specialties and state licenses

  • Surgical critical care, OklahomaPrimaryLicense 34201 · taxonomy 2086S0102X
  • California licenseLicense A133698

Surgical critical care physicians near Dr. Kumar

Counts of surgical critical care physicians with a Dmand AI profile, by place and practice. Each opens the list.

145surgical critical care physicians in California
3surgical critical care physicians in Santa Rosa

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

Dr. Sumit Kumar billed Medicare for 250 services in 2024

CMS data shows 250 Medicare services from Dr. Kumar across 3 procedure codes in 2024, for 172 Medicare patients. Medicare paid $25,438 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024250
Medicare patients172
Paid by Medicare$25,438
Procedure codes3

Dr. Kumar's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3072024: 23523%
Surgery
2023: 112024: 1536%

Dr. Kumar compared with the California median for surgical critical care physicians, 2024

  • Dr. Kumar
  • California median
Medicare services
250vs 19528% above
Medicare patients
172vs 12735% above

Medians across 129 surgical critical care physicians in California with Dmand AI profiles that report each measure.

Dr. Kumar's most billed Medicare procedure codes, 2024

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 Dr. Kumar

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

Dr. Sumit Kumar treated 172 Medicare patients in 2024, average age 75

CMS counts 172 Medicare patients who saw Dr. Kumar in 2024. The largest group is 65 to 74, with 67 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 36% are also on Medicaid. Their average risk score is 2.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 67, with 47% women.

Medicare patients, 2024172
Average age75
Average risk score2.07
Also on Medicaid36%

Dr. Kumar's Medicare patients by age, 2024

Dr. Kumar's Medicare patients by sex, 2024

  • Women10460%
  • Men6840%

Chronic conditions among Dr. Kumar's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure73%
  3. Arthritis47%
  4. Chronic kidney disease38%
  5. Anxiety33%
  6. Atrial fibrillation33%
  7. Mood disorders33%
  8. Depression29%

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

Dr. Kumar's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women47%
  • Men46%

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

Dr. Sumit Kumar wrote 13 Medicare Part D claims in 2024

In 2024, Dr. Kumar wrote 13 Medicare Part D claims. 85% of them were for generic drugs.

Part D claims, 202413

Dr. Kumar's Part D claims by kind of drug, 2024

  • Generic11 claims85%
  • Brand-name and other2 claims15%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Sumit Kumar takes part in Medicare

Dr. Kumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Sumit Kumar received $3,206 in industry payments from 2019 to 2025

CMS Open Payments shows 11 general payments to Dr. Kumar from 4 drug and device companies from 2019 to 2025. Education make up the largest share, 79% of the total. Intuitive Surgical, Inc. paid the most, $3,031.

General payments to Dr. Kumar by program year, 2019 to 2025

General payments to Dr. Kumar by kind, 2019 to 2025

$3.2Kin total
  • Education$2,52379%
  • Travel and lodging$45414%
  • Food and beverage$2297%

Companies that paid Dr. Kumar the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kumar

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

Sources for Dr. Sumit Kumar'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Dr. Sumit Kumar

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

What is Dr. Sumit Kumar's NPI number?

Dr. Sumit Kumar's NPI number is 1811251929. It was assigned on July 3, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Sumit Kumar?

Dr. Sumit Kumar is a surgical critical care physician in Santa Rosa, California. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).

Where does Dr. Sumit Kumar practice?

Dr. Kumar practices at 3325 Chanate Rd, Santa Rosa, CA 95404. Dr. Kumar's primary practice is Sutter Medical Center of Santa Rosa (Closed 2014) in Santa Rosa, California. Dmand AI also links Dr. Kumar to 2 group practices and clinics and 1 medical group.

What is Dr. Sumit Kumar's office phone number?

The practice phone on file for Dr. Kumar is (707) 576-4000.

What is Dr. Sumit Kumar's medical license number?

Dr. Kumar holds Oklahoma license 34201, one of the licenses on file in 2 states.

Which states has Dr. Sumit Kumar been licensed in?

Dmand AI has state licenses on file for Dr. Kumar in Oklahoma and California.

Which hospitals is Dr. Sumit Kumar affiliated with?

Dr. Kumar is affiliated with Sutter Santa Rosa Regional Hospital.

What medical group is Dr. Sumit Kumar part of?

Dr. Kumar is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Kumar to 1 more medical group.

Does Dr. Sumit Kumar accept Medicare?

Yes. CMS data shows Dr. Kumar billed Medicare for 250 services in 2024, and Dr. Kumar accepts Medicare assignment.

How many Medicare patients does Dr. Sumit Kumar see?

CMS counts 172 Medicare patients who saw Dr. Kumar in 2024, with an average age of 75.

Show 3 more questionsShow fewer questions

What services does Dr. Sumit Kumar bill to Medicare?

In 2024, Dr. Kumar's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and surgery: digestive system (47562).

Has Dr. Sumit Kumar received payments from drug or device companies?

CMS Open Payments shows $3,206 in general payments to Dr. Kumar from 4 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Sumit Kumar been practicing?

Dr. Kumar graduated from medical school in 2011, 15 years ago.

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