Steven Sainsbury, MD
NPI 1679521256 · Emergency Medical Services (Emergency Medicine) Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Sainsbury, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in San Luis Obispo, CA (NPI 1679521256).
Provider details
- NPI number
- 1679521256
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G52428 (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
2,805 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 2,042 | $120 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 547 | $55 |
| Administration of Influenza Virus VaccineG0008 | 69 | $33 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 63 | $43 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 55 | $190 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 394 | 68 |
| Quetiapine Fumarate | 305 | 54 |
| Escitalopram Oxalate | 255 | 38 |
| Furosemide | 251 | 40 |
| Atorvastatin Calcium | 200 | 34 |
| Amlodipine Besylate | 195 | 37 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2018-11-09
Frequently asked questions
- What is Steven Sainsbury's NPI number?
- Steven Sainsbury's National Provider Identifier (NPI) is 1679521256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Sainsbury's specialty?
- Steven Sainsbury is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Sainsbury located?
- Steven Sainsbury's practice location on file with NPPES is 1383 Alder St, San Luis Obispo, CA 93401-7827.
- What is Steven Sainsbury's phone number?
- The practice phone number listed in the NPPES registry for Steven Sainsbury is (805) 704-3256.
- Does Steven Sainsbury accept Medicare?
- Steven Sainsbury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Sainsbury's NPI active?
- Yes — Steven Sainsbury's NPI (1679521256) is active in the NPPES registry as of the last update on 2018-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.