Dr. Nitin Kumar
Anesthesiology (Anesthesiology Physician)
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Who else practices at this address →
Contra Costa County includes mental health (19% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 408
Licensed in California since 2019, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2015Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Anesthesiology Physician primary
CA license A160293 (first issued 2019; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- John Muir Medical Center - Concord Campus Concord, CA
Medical groups
- Cep America - Anesthesia PC (849 clinicians)
- G2 Anesthesia PC (107 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 408
- Services billed
- 412
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | 129 | 129 |
| Anesthesia for procedure on small and large bowel using an endoscope | 67 | 67 |
| Anesthesia for exam of colon using an endoscope | 65 | 65 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 49 | 48 |
| Insertion of artery tube for blood sampling or infusion through skin | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 8 companies reported 23 payments worth $612 in total to this clinician.
| Takeda Pharmaceuticals U.S.A., Inc. | $213 |
|---|---|
| Lilly USA, LLC | $197 |
| AbbVie Inc. | $82.33 |
| Aimmune Therapeutics, Inc. | $30.01 |
| Celltrion USA Inc. | $28.07 |
| Janssen Biotech, Inc. | $22.77 |
| Ardelyx, Inc. | $22.31 |
| Ipsen Biopharmaceuticals, Inc | $16.15 |
| Food and Beverage | $612 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.