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Healthcare Providers & Facilities in Rancho Santa Margarita, CA

Public healthcare directory of 484 individual practitioners and 154 healthcare facilities located in Rancho Santa Margarita, California.

484 Practitioners
154 Facilities
85 Specialties

Medical Specialties in Rancho Santa Margarita

Select a specialty to view practitioner listings, practice locations, and qualifications.

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All Specialties in Rancho Santa Margarita

Specialties with enough public records for a comparison with U.S. figures, besides those named above, plus the 60 largest of 77 more with at least one listed practitioner. Number of practitioners in brackets.

Dietary & Nutritional Service Providers

Nursing Service Providers

Nursing Service Related Providers

Podiatric Medicine & Surgery Service Providers

Speech, Language and Hearing Service Providers

Featured Healthcare Providers in Rancho Santa Margarita

Practitioner profiles in Rancho Santa Margarita, CA with recent CMS Medicare or Open Payments data.

Kylee Lewallen

Physical Therapist

Medicare Accepted
22521 Avenida Empresa Ste 116, Rancho Santa Margarita, CA
Phone: 9497668535
NPI 1306529094

Joelle Shoemaker , PHYSICAL THERAPIST

Specialist

Medicare Accepted
30085 Comercio, Rancho Santa Margarita, CA
Phone: 9497668535
NPI 1578526125

Ryan Ritchie , PA

Physician Assistant

29472 Avenida De Las Bandera, Rancho Santa Margarita, CA
Phone: 9494599968
NPI 1508848128

Dr. Terry O'rourke , PharmD

Pharmacist

29 Segada, Rancho Santa Margarita, CA
Phone: 9495109855
NPI 1588195820

Taylor Medeiros , PA-C

Physician Assistant

22431 Antonio Pkwy # B160-613, Rancho Santa Margarita, CA
Phone: 8557272251
NPI 1457936213

Julian Manrique , MPT, OCS

Physical Therapist

Medicare Accepted
30212 Tomas, Rancho Santa Margarita, CA
Phone: 9497098770
NPI 1417020637

Largest Cities in California

Other California cities with a full directory, by the number of active practitioners listed in NPPES.

How Rancho Santa Margarita compares with the U.S.

Compared with the U.S. as a whole, Rancho Santa Margarita has more Optometrists (1.8x), Chiropractors (1.6x) and Physical Therapists (1.5x) per 100,000 residents.

It has fewer clinicians in Family Medicine (64% of the U.S. rate) and Physician Assistants (70%) per 100,000 residents.

Rancho Santa Margarita has 1,030 active clinicians per 100,000 residents, compared with 2,198 for the U.S.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

89% of clinicians in Rancho Santa Margarita listed in the CMS Medicare file (93 of 104) accept Medicare assignment. That is similar to the California share of 91%.

Only 104 of 484 active clinicians in Rancho Santa Margarita appear in the CMS Medicare file, so this share describes that smaller group.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

16% of clinicians in Rancho Santa Margarita listed in the CMS Medicare file (17 of 104) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is lower than the California share of 28%.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Rancho Santa Margarita CMS Healthcare & Financial Disclosures

CMS Part D Prescribers (2024), Open Payments (program year 2025), Medicare (PECOS) enrollment and Part B (2024) data for Rancho Santa Margarita, CA

Source: CMS public datasets

Healthcare operations in Rancho Santa Margarita, CA encompass 484 active individual practitioners and 154 registered medical facilities across 85 clinical specialties.

According to CMS Medicare Part D analytics for 2024, prescription drug volume in Rancho Santa Margarita accounts for $4.5 Million across 46,106 prescription claims. 166 local practitioners have a Medicare (PECOS) enrollment record. Open Payments data for program year 2025 list $0.1 Million in payments reported by companies to 80 local practitioners; a reported payment does not necessarily mean the financial relationship is improper.

Medicare Part D Prescriptions (2024) $4.5M 46,106 Prescription Claims Source: data.cms.gov
Open Payments Sunshine Act (2025) $0.1M 80 Recipients Disclosed A reported payment does not necessarily mean the financial relationship is improper. Source: openpaymentsdata.cms.gov
Medicare (PECOS) Enrollment 166 Enrolled Medicare Practitioners Source: data.cms.gov
Medicare Part B Allowed Volume (2024) $7.4M 1,647,092 Services Performed Source: data.cms.gov

CMS PECOS: Eligible to Order or Refer for Medicare in Rancho Santa Margarita

Part B Lab & Imaging Eligible: 97
Durable Medical Equipment (DME): 100
Home Health Agency (HHA): 87
Source: CMS Order and Referring