Sumit Kumar, M.D.
Surgical Critical Care Physician · Santa Rosa, CA
Sumit Kumar, M.D. is a surgical critical care physician with a practice address in Santa Rosa, California, and NPI 1811251929, issued on Jul 3, 2012. Check the license (California A133698, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sumit Kumar
- Credential
- M.D.
- Primary taxonomy
- Surgical Critical Care Physician 2086S0102X
- License numbers
- A133698 CA
34201 OK
Self-reported in NPPES; status is on the state search - Practice location
- 34 Mark West Springs RD FL 2, Santa Rosa, CA 95403
- Phone
- (707) 541-7900
- Enumerated
- Jul 3, 2012
- Record last updated
- Oct 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20220419001514); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical critical care physician records → All 160 in California → Look up another NPI →
Also registered at 34 Mark West Springs RD FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sophia Chan, MDObstetrics & Gynecology Physician1649854704
- Susan Dehnad, MDObstetrics & Gynecology Physician1922294834
- Afsoon Foorohar, D.O.Family Medicine Physician1962897645
Verify Sumit Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average surgical critical care physician in 2024
13 Medicare Part D claims, against an average of 64 among the 606 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $151.39
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,092 providers of this specialty with any payment received $2,183.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sumit Kumar among 160 surgical critical care physician records in California
Sumit Kumar, M.D. is one of 160 surgical critical care physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2011 · median 2009 among the 127 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Critical Care Physician providers in California
There are 160 surgical critical care physician records in California.
All 160 in California → Every provider in Santa Rosa → Surgical Critical Care Physician nationwide →
The 8 surgical critical care physician records with the nearest ZIP codes
- Leigh Slater, M.D.Santa Rosa, CA 954051356546774
- Kirellos Zamary, M.D.Santa Rosa, CA 954051619261609
- Carl Hauser, M.D.Sonora, CA 953701831116425
- Gerald Gracia, M.D.Eureka, CA 955011821236704
- Courtney White, M.D.French Camp, CA 952311831501089
- Steven Kaspick, MDCarmichael, CA 956081285011130
- Jack Friedlander, M.D.Roseville, CA 956611548360100
- John Siegel, MDSan Jose, CA 951281376589150
Common questions
What is Sumit Kumar, M.D.'s NPI number?
Sumit Kumar, M.D.'s National Provider Identifier (NPI) is 1811251929, issued on Jul 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sumit Kumar, M.D. located?
The NPPES record lists a practice address at 34 Mark West Springs RD FL 2, Santa Rosa, CA, 95403. Phone: (707) 541-7900. Providers update this record themselves, so call before visiting.
How can I verify Sumit Kumar, M.D.'s license?
NPPES lists California license number A133698, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sumit Kumar, M.D. prescribe under Medicare Part D?
In 2024, Sumit Kumar, M.D. had 13 Medicare Part D claims; the average among surgical critical care physician prescribers was 64. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.