Doctor profile · Federal record
Dr. Spencer Garrison, CRNA, RN
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Stanford, CA
- NPI 1649787326
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
400 Health Park Blvd
St Augustine, FL 320865784
(904) 819-5155 - Mailing address
-
28 Lansing Ln
Palm Coast, FL 321379627
Credentials & registration
- NPI registered
- January 2018 — 8 yrs on file
- Profile last updated
- February 15, 2021
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State licenses (2)
- California #95001417 · Florida #117527
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649787326. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
115
Distinct HCPCS
6
Medicare allowed
$11,706
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 31 | 31 | $100 | |
00142 |
Anesthesia for lens surgery | 23 | 23 | $78 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 21 | 21 | $83 | |
00732 |
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 16 | 16 | $133 | |
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 12 | 12 | $145 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 12 | 12 | $102 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 34. This provider delivers 3.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Spencer Garrison's medical specialty?
Dr. Spencer Garrison practices Certified Registered Nurse Anesthetist in Stanford, CA.
Where does Dr. Spencer Garrison practice?
Dr. Spencer Garrison practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Spencer Garrison's NPI?
Dr. Spencer Garrison's National Provider Identifier (NPI) is 1649787326, issued by NPPES.
Does Dr. Spencer Garrison accept Medicare assignment?
Yes. Dr. Spencer Garrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Garrison 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 lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.