Doctor profile · Federal record
Dr. Raphael-John Keegan, DO
Anesthesiology Physician (CMS: Anesthesiology) · Stanford, CA
- NPI 1679967210
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
101 the City Dr S
Orange, CA 928683201
(714) 880-7812
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- September 5, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #20A17251
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679967210. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
4
Medicare allowed
$13,211
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 38 | 36 | $126 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 31 | 31 | $113 | |
00142 |
Anesthesia for lens surgery | 23 | 23 | $117 | |
00732 |
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 15 | 14 | $149 |
In context: peer comparison
Among 80 peers in Stanford Anesthesiology Physician, average services per provider: 30. This provider delivers 3.6× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Raphael-John Keegan's medical specialty?
Dr. Raphael-John Keegan practices Anesthesiology Physician in Stanford, CA.
Where does Dr. Raphael-John Keegan practice?
Dr. Raphael-John Keegan practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Raphael-John Keegan's NPI?
Dr. Raphael-John Keegan's National Provider Identifier (NPI) is 1679967210, issued by NPPES.
Does Dr. Raphael-John Keegan accept Medicare assignment?
Yes. Dr. Raphael-John Keegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raphael-John Keegan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.