Andrew Sun, M.D.
NPI 1487640470 · Anesthesiology Physician · Arroyo Grande, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Sun, M.D. is a Anesthesiology Physician provider in Arroyo Grande, CA (NPI 1487640470).
Provider details
- NPI number
- 1487640470
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G62329 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
221 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasonic Guidance for Needle Placement76942 | 34 | $30 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 28 | $130 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 23 | $52 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 22 | $402 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 18 | $68 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 17 | $247 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-23
- Last updated
- 2007-09-12
Frequently asked questions
- What is Andrew Sun's NPI number?
- Andrew Sun's National Provider Identifier (NPI) is 1487640470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Sun's specialty?
- Andrew Sun is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Sun located?
- Andrew Sun's practice location on file with NPPES is 345 S Halcyon Rd, Arroyo Grande, CA 93420-3896.
- What is Andrew Sun's phone number?
- The practice phone number listed in the NPPES registry for Andrew Sun is (805) 928-1731.
- Does Andrew Sun accept Medicare?
- Andrew Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Sun's NPI active?
- Yes — Andrew Sun's NPI (1487640470) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.