DR. PETER S DESILVA MD
NPI 1316045636
Family Medicine in Rancho Santa Margarita, CA

Q: What is Peter Desilva's NPI number?

The NPI number for Peter Desilva is 1316045636. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Q: What is Peter Desilva's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Peter Desilva was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment

29809 SANTA MARGARITA PKWY, SUITE#300, RANCHO SANTA MARGARITA, CA 92688(949) 709-5100(949) 709-5151 Get Directions Write a Review

NPPES record last updated: November 27, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Peter S Desilva Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER S DESILVA MD (NPI 1316045636) is an individual family medicine provider in Rancho Santa Margarita, California, licensed in California (A44436) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1985).

NPPES Registry Identity

NPI1316045636

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. PETER S DESILVACredential: MD

Location Address29809 SANTA MARGARITA PKWY, SUITE#300Rancho Santa Margarita, CA 92688-3613

Mailing Address29809 Santa Margarita Pkwy, Suite#300Rancho Santa Margarita, CA 92688-3613 · (949) 709-5100 · Fax (949) 709-5151

Phone(949) 709-5100

Fax(949) 709-5151

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1985

Enumeration DateSeptember 20, 2006

Last NPPES UpdateNovember 27, 2007

✔ NPI 1316045636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A44436

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

29809 SANTA MARGARITA PKWY, Rancho Santa Margarita, CA 92688

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Other Identifiers 3

Other00A444360CA · Blue Cross

Medicare PINWA44436ECA

Medicare UPINF17506CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter S Desilva Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315838703

PECOS Enrollment IDI20110330000972

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter Desilva reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Excel Physicians Medical Corporation

Same address

Family Medicine

29809 SANTA MARGARITA PKWY, SUITE#300
Rancho Santa Margarita, CA 92688

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1245335025 (949) 709-5100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

357 services131 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

143 services88 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

100 services100 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

50 services50 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

48 services48 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

41 services40 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

37 services37 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

27 services21 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

23 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

22 services22 patients

Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use 90671

The Pneumococcal Conjugate Vaccine, 15-valent (PCV15), is given through a muscle injection. It helps protect against 15 types of bacteria that can cause serious illnesses like pneumonia and meningitis. It's important for overall health and prevention.

21 services21 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

21 services21 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

17 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

15 services15 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

14 services14 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

13 services12 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92688 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EXCEL PHYSICIANS MEDICAL CORPORATION

Family Medicine

29809 SANTA MARGARITA PKWY, SUITE#300
RANCHO SANTA MARGARITA, CA 92688

Orange County (949) 709-5100

DR. NATALIA BILAN MD

Family Medicine

29809 SANTA MARGARITA PKWY, SUITE#300
RANCHO SANTA MARGARITA, CA 92688

Orange County (949) 709-5100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Desilva's NPI number?

The NPI number for Peter Desilva is 1316045636. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Peter Desilva located?

Peter Desilva practices at 29809 Santa Margarita Pkwy Suite#300, Rancho Santa Margarita, CA 92688. The listed phone number is (949) 709-5100.

What is Peter Desilva's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Peter Desilva enrolled in Medicare?

Yes. Peter Desilva is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Peter Desilva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Desilva reassigns Medicare benefits to Excel Physicians Medical Corporation (Rancho Santa Margarita, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Desilva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Desilva was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.