Doctor profile · Federal record

Dr. Ricardo Ronquillo, MD

Anesthesiology Physician (CMS: Anesthesiology) · Stanford, CA

  • NPI 1932132974
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(408) 558-2100

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 30, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #G76604
Medicaid
CA #00G766404

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932132974. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
103
Distinct HCPCS
5
Medicare allowed
$16,254
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 42 42 $133
00142 Anesthesia for lens surgery 27 27 $144
00145 Anesthesia for retinal surgery 12 12 $273
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $142
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $176

In context: peer comparison

Among 80 peers in Stanford Anesthesiology Physician, average services per provider: 30. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$155
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 2 $154.92

By nature of payment

Food and Beverage
$155

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ricardo Ronquillo's medical specialty?
Dr. Ricardo Ronquillo practices Anesthesiology Physician in Stanford, CA.
Where does Dr. Ricardo Ronquillo practice?
Dr. Ricardo Ronquillo practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 4085582100.
What is Dr. Ricardo Ronquillo's NPI?
Dr. Ricardo Ronquillo's National Provider Identifier (NPI) is 1932132974, issued by NPPES.
Does Dr. Ricardo Ronquillo accept Medicare assignment?
Yes. Dr. Ricardo Ronquillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ricardo Ronquillo commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142); Anesthesia for retinal surgery (HCPCS 00145). Source: CMS Medicare Physician & Other Practitioners file.