Doctor profile · Federal record
Dr. Ian Butler, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Emergency Medicine) · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Anesthesiology) Physician · Emergency Medicine Physician · Oceanside, CA
- NPI 1053632034
- Accepts Medicare
- 21 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3231 Waring CT Ste D
Oceanside, CA 920564510
(760) 941-0221
fax (760) 941-0905
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- September 1, 2022
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State licenses (3)
- California #C137716 · Texas #H5896 · Pennsylvania #MD439803
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053632034. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
2
Medicare allowed
$6,677
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 29 | 27 | $218 | |
93308 |
Ultrasound of heart, follow-up | 14 | 13 | $26 |
In context: peer comparison
Among 1 peers in Oceanside Critical Care Medicine (Internal Medicine) Physician, average services per provider: 21. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Ian Butler's medical specialty?
Dr. Ian Butler practices Critical Care Medicine (Internal Medicine) Physician in Oceanside, CA.
Where does Dr. Ian Butler practice?
Dr. Ian Butler practices at 3231 Waring CT Ste D, Oceanside, CA 920564510. Office phone: 7609410221.
What is Dr. Ian Butler's NPI?
Dr. Ian Butler's National Provider Identifier (NPI) is 1053632034, issued by NPPES.
Does Dr. Ian Butler accept Medicare assignment?
Yes. Dr. Ian Butler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Butler commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Ultrasound of heart, follow-up (HCPCS 93308). Source: CMS Medicare Physician & Other Practitioners file.