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

Sumit Kumar, MD

Individual provider Surgical Critical Care Physician · NPI 1811251929

Sumit Kumar, MD is a General Surgery in Santa Rosa, California. Qualified in 2011, 15 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Oklahoma.

Years since qualifying
15
Licensed in
CA, OK
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

34 Mark West Springs Rd Fl 2
Santa Rosa, CA 95403-1766
Phone: (707) 541-7900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 101 Rockefeller Dr Ste 201, Muskogee, OK 74401-5050 — (918) 682-4580
  • 4502 Medical Dr, San Antonio, TX 78229-4402 — (210) 358-4000

Specialties & licences

Surgical Critical Care Physician (primary) Taxonomy 2086S0102X · Licence A133698 (CA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence 34201 (OK)

Record details

NPI number1811251929
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2012
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Santa Rosa