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Healthcare Providers & Facilities in Mission Viejo, CA

Public healthcare directory of 2,169 individual practitioners and 753 healthcare facilities located in Mission Viejo, California.

2,169 Practitioners
753 Facilities
210 Specialties

Medical Specialties in Mission Viejo

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

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All Specialties in Mission Viejo

Specialties with enough public records for a comparison with U.S. figures, besides those named above, plus the 60 largest of 183 more with at least one listed practitioner. Number of practitioners in brackets.

Dietary & Nutritional Service Providers

Nursing Service Related Providers

Podiatric Medicine & Surgery Service Providers

Featured Healthcare Providers in Mission Viejo

Practitioner profiles in Mission Viejo, CA with recent CMS Medicare or Open Payments data.

Dr. Phillip Wells , MD

Otolaryngology

Medicare Accepted
26726 Crown Valley Pkwy., Suite 200, Mission Viejo, CA
Phone: 9493644361
NPI 1851394209

Dr. Mohammad Reshad , DDS, MS

Dentist - Periodontics

27871 Medical Center Rd Ste 260, Mission Viejo, CA
Phone: 9493642850
NPI 1477068906

Dr. Duc Pham , MD

Internal Medicine

Medicare Accepted
26800 Crown Valley Pkwy, Mission Viejo, CA
Phone: 9493646000
NPI 1689615221

Dr. Mim Mulford , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

Medicare Accepted
26800 Crown Valley Pkwy Ste 230, Mission Viejo, CA
Phone: 9495428004
NPI 1235116542

Dr. Samuel Frank , MD

Psychiatry & Neurology - Neuromuscular Medicine

Medicare Accepted
26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA
Phone: 9495428002
NPI 1922637594

Dr. Vikas Rao , MD

Neurological Surgery

Medicare Accepted
26732 Crown Valley Pkwy, Mission Viejo, CA
Phone: 9493887190
NPI 1932349651

Largest Cities in California

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

How Mission Viejo compares with the U.S.

Compared with the U.S. as a whole, Mission Viejo has more Optometrists (3.4x), clinicians in Internal Medicine - Gastroenterology (3.2x) and Audiologists (2.9x) per 100,000 residents.

It has fewer clinicians in Student in an Organized Health Care Education/Training Program (28% of the U.S. rate) and Nurse Practitioners (68%) per 100,000 residents.

Mission Viejo has 2,354 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.

94% of clinicians in Mission Viejo listed in the CMS Medicare file (538 of 572) accept Medicare assignment. That is similar to the California share of 91%.

Only 572 of 2,169 active clinicians in Mission Viejo 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.

34% of clinicians in Mission Viejo listed in the CMS Medicare file (197 of 572) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is higher 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).

Mission Viejo CMS Healthcare & Financial Disclosures

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

Source: CMS public datasets

Healthcare operations in Mission Viejo, CA encompass 2,169 active individual practitioners and 753 registered medical facilities across 210 clinical specialties.

According to CMS Medicare Part D analytics for 2024, prescription drug volume in Mission Viejo accounts for $87.2 Million across 540,061 prescription claims. 897 local practitioners have a Medicare (PECOS) enrollment record. Open Payments data for program year 2025 list $2.1 Million in payments reported by companies to 515 local practitioners; a reported payment does not necessarily mean the financial relationship is improper.

Medicare Part D Prescriptions (2024) $87.2M 540,061 Prescription Claims Source: data.cms.gov
Open Payments Sunshine Act (2025) $2.1M 515 Recipients Disclosed A reported payment does not necessarily mean the financial relationship is improper. Source: openpaymentsdata.cms.gov
Medicare (PECOS) Enrollment 897 Enrolled Medicare Practitioners Source: data.cms.gov
Medicare Part B Allowed Volume (2024) $67.8M 1,193,849 Services Performed Source: data.cms.gov

CMS PECOS: Eligible to Order or Refer for Medicare in Mission Viejo

Part B Lab & Imaging Eligible: 670
Durable Medical Equipment (DME): 691
Home Health Agency (HHA): 581
Source: CMS Order and Referring