Peter Bastian, MD
NPI 1710299821 · Public Health & General Preventive Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Preventive Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Bastian, MD is a Public Health & General Preventive Medicine Physician provider in Loma Linda, CA (NPI 1710299821).
Provider details
- NPI number
- 1710299821
- Entity type
- Individual
- Primary specialty
- Public Health & General Preventive Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A147445 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
88 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $180 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $126 |
Typical Medicare-allowed amounts for these services range $126–$180 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 85 | 43 |
| Topiramate | 83 | 41 |
| Metformin Hcl | 78 | 32 |
| Semaglutidebrand: Ozempic | 56 | 21 |
| Losartan Potassium | 42 | 14 |
| Naltrexone Hcl | 38 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-06
- Last updated
- 2024-10-15
- Certified
- 2022-04-29
Frequently asked questions
- What is Peter Bastian's NPI number?
- Peter Bastian's National Provider Identifier (NPI) is 1710299821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Bastian's specialty?
- Peter Bastian is listed in the NPPES registry with a primary specialty of Public Health & General Preventive Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Bastian located?
- Peter Bastian's practice location on file with NPPES is 24785 Stewart St Ste 204, Loma Linda, CA 92350-1721.
- What is Peter Bastian's phone number?
- The practice phone number listed in the NPPES registry for Peter Bastian is (909) 558-4594.
- Does Peter Bastian accept Medicare?
- Peter Bastian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Bastian's NPI active?
- Yes — Peter Bastian's NPI (1710299821) is active in the NPPES registry as of the last update on 2024-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.