Doctor profile · Federal record

Dr. Michael Esparza, MD

Trauma Surgery Physician (CMS: General Surgery) · Surgical Critical Care Physician · Walnut Creek, CA

  • NPI 1295149540
  • MIPS 71.6 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 937-0404
Mailing address
Po Box 56
Diablo, CA 945280056

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
September 5, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2086S0127X — NUCC code
State license (1)
California #A138859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295149540. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
7
Medicare allowed
$56,555
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 107 72 $130
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 59 $87
99291 Critical care, first 30-74 minutes 82 42 $223
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 33 33 $190
99285 Emergency department visit with high level of medical decision making 28 28 $184
99239 Hospital discharge day management, more than 30 minutes 26 26 $126
99284 Emergency department visit with moderate level of medical decision making 11 11 $126

In context: peer comparison

Among 1 peers in Walnut Creek Trauma Surgery Physician, average services per provider: 54. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$72
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $72.00

By nature of payment

Food and Beverage
$72

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Esparza's medical specialty?
Dr. Michael Esparza practices Trauma Surgery Physician in Walnut Creek, CA.
Where does Dr. Michael Esparza practice?
Dr. Michael Esparza practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259370404.
What is Dr. Michael Esparza's NPI?
Dr. Michael Esparza's National Provider Identifier (NPI) is 1295149540, issued by NPPES.
Does Dr. Michael Esparza accept Medicare assignment?
Dr. Michael Esparza does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Esparza commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.