Peter Desilva, MD
NPI 1316045636 · Family Medicine Physician · Rancho Santa Margarita, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Desilva, MD is a Family Medicine Physician provider in Rancho Santa Margarita, CA (NPI 1316045636).
Provider details
- NPI number
- 1316045636
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A44436 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
891 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 357 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 100 | $140 |
| Administration of Influenza Virus VaccineG0008 | 50 | $34 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $194 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 704 | 217 |
| Lisinopril | 162 | 47 |
| Tamsulosin Hcl | 160 | 58 |
| Metformin Hclbrand: Metformin Hcl Er | 149 | 44 |
| Levothyroxine Sodium | 148 | 44 |
| Amlodipine Besylate | 136 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$786 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2007-11-27
Frequently asked questions
- What is Peter Desilva's NPI number?
- Peter Desilva's National Provider Identifier (NPI) is 1316045636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Desilva's specialty?
- Peter Desilva is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Desilva located?
- Peter Desilva's practice location on file with NPPES is 29809 Santa Margarita Pkwy, Rancho Santa Margarita, CA 92688-3613.
- What is Peter Desilva's phone number?
- The practice phone number listed in the NPPES registry for Peter Desilva is (949) 709-5100.
- Does Peter Desilva accept Medicare?
- Peter Desilva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Desilva's NPI active?
- Yes — Peter Desilva's NPI (1316045636) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.