SUMIT KUMAR M.D.
NPI 1811251929
Surgery - Surgical Critical Care in Santa Rosa, CA

Q: What is Sumit Kumar's NPI number?

The NPI number for Sumit Kumar is 1811251929. It was assigned to this individual provider in the NPPES registry on July 3, 2012.

Q: What is Sumit Kumar's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Q: When was this NPI record last updated?

The NPPES record for Sumit Kumar was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.

Active since July 03, 2012PECOS EnrolledAccepts Medicare Assignment

34 MARK WEST SPRINGS RD FL 2, SANTA ROSA, CA 95403(707) 541-7900 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 11, 2022, Feb 15, 2019 (2 updates tracked since 2019).

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About Sumit Kumar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SUMIT KUMAR M.D. (NPI 1811251929) is an individual surgical critical care provider in Santa Rosa, California, licensed in California (A133698) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1811251929

Entity TypeIndividualMale

Primary Taxonomy2086S0102X

Provider Legal NameSUMIT KUMARCredential: M.D.

Location Address34 MARK WEST SPRINGS RD FL 2Santa Rosa, CA 95403-1766

Mailing AddressPo Box 276950Sacramento, CA 95827-6950

Phone(707) 541-7900

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJuly 3, 2012

Last NPPES UpdateOctober 29, 20252 updates tracked since enumeration

NPPES CertifiedOctober 29, 2025

✔ NPI 1811251929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians

Taxonomy Code2086S0102X

Licenses✔ Licensed in CA · A133698✔ Licensed in OK · 34201

Definition

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

34 MARK WEST SPRINGS RD FL 2, Santa Rosa, CA 95403

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Secondary Practice Locations 2

Location 1101 Rockefeller Dr Ste 201Muskogee, OK 74401-5050 · Phone (918) 682-4580 · Fax (918) 681-4566

Location 24502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 358-4000

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

Sumit Kumar M.d. 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.

PECOS PAC ID2668711003

PECOS Enrollment IDI20220419001514

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sumit Kumar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation

53 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Warren Clinic Inc

1,482 mi

General Practice

6600 S YALE AVE, SUITE 1400
Tulsa, OK 74136

Reassigned Medicare billing, Oklahoma enrollment
1,144 clinicians in this Medicare group

NPI 1174582282 (918) 488-6001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

178 services94 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

57 services55 patients

Removal of gallbladder using an endoscope 47562

This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.

15 services15 patients

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NORA VON SYDOW FNP

Nurse Practitioner (Family)