Doctor profile · Federal record

Dr. Sirisha Sundara, MD

Hospitalist Physician (CMS: Internal Medicine) · Antioch, CA

  • NPI 1891943445
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4501 Sand Creek RD
Antioch, CA 945318687
(925) 813-6500

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A101082

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891943445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
804
Distinct HCPCS
4
Medicare allowed
$86,655
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 385 142 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 205 146 $121
99239 Hospital discharge day management, more than 30 minutes 116 116 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 98 97 $175

In context: peer comparison

Among 8 peers in this city , average services per provider: 143. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$2,276
Drug Type Claims Patients Total cost
Unasyn (Ampicillin Sod/Sulbactam Sod) Brand 17 0 $2,276

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sirisha Sundara's medical specialty?
Dr. Sirisha Sundara practices Hospitalist Physician in Antioch, CA.
Where does Dr. Sirisha Sundara practice?
Dr. Sirisha Sundara practices at 4501 Sand Creek RD, Antioch, CA 945318687. Office phone: 9258136500.
What is Dr. Sirisha Sundara's NPI?
Dr. Sirisha Sundara's National Provider Identifier (NPI) is 1891943445, issued by NPPES.
Does Dr. Sirisha Sundara accept Medicare assignment?
Yes. Dr. Sirisha Sundara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sirisha Sundara commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.