Independent US Healthcare Provider Directory & Public Medical Database Patient Guides
Medical Specialty Listing

Internal Medicine Providers in Laguna Hills, CA

Browse 56 Internal Medicine providers listed in NPPES with a practice address in Laguna Hills, California.

56 Healthcare Providers

How Laguna Hills compares with the U.S.

Laguna Hills has 182 clinicians in Internal Medicine per 100,000 residents, 4.1 times the U.S. rate of 44.

That is 56 active clinicians in Internal Medicine with a practice address in Laguna Hills, for a population of 30,740.

The California rate is 45 per 100,000 residents.

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.

100% of clinicians in Internal Medicine in Laguna Hills listed in the CMS Medicare file (34 of 34) accept Medicare assignment. That is similar to the California share of 96%.

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.

56% of clinicians in Internal Medicine in Laguna Hills listed in the CMS Medicare file (19 of 34) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is higher than the California share of 38%.

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).

Internal Medicine Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Internal Medicine practitioners in Laguna Hills, CA

Source: CMS PECOS
PECOS Enrolled Specialists 43 In Laguna Hills, CA
Part B Lab & Imaging Eligible 42 Diagnostic Referrals
DME Ordering Eligible 42 Durable Medical Equipment
Home Health Agency Referrals 42 HHA Ordering Eligible
Showing 1โ€“20 of 56 providers
With recent CMS data first, then Aโ€“Z

Dr. Yama Ahmad Afshar , DO, MPH

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
24321 Avenida De La Carlota, Laguna Hills, CA 926533681
Phone: 9492043006
NPI Identifier 1003378415
View Full Profile

Dr. Pedram Ansari Pirsaraei , MD

Internal Medicine

Active NPI Status
24953 Paseo De Valencia, Laguna Hills, CA 926534342
Phone: 9497994786
NPI Identifier 1871853614
View Full Profile

Dr. Mozhgan Ashtari , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
23141 Moulton Pkwy 202, Laguna Hills, CA 926531241
Phone: 9496006334
NPI Identifier 1558691451
View Full Profile

Dr. Wesley Babaran , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
24221 Calle De La Louisa Ste 200, Laguna Hills, CA 926533642
Phone: 9495885700
NPI Identifier 1568844066
View Full Profile

Dr. Angela Pham Basen , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
24321 Avenida De La Carlota, Laguna Hills, CA 926533681
Phone: 9492043006
NPI Identifier 1639514144
View Full Profile

Dr. Paul Bixenstine , MD

Internal Medicine

Active NPI Status
23181 Verdugo Dr Ste 103a, Laguna Hills, CA 926531313
Phone: 9493661053
NPI Identifier 1912342783
View Full Profile

Dr. Charles Blumberg , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
23961 Calle De La Magdalena Ste 200, Laguna Hills, CA 926533645
Phone: 9492384100
NPI Identifier 1225532310
View Full Profile

Dr. Paul Finn Cassedy , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
25226 Cabot Rd, Laguna Hills, CA 926535504
Phone: 9497070005
NPI Identifier 1417159948
View Full Profile

Lori Lynn Clark

Internal Medicine

Active NPI Status Accepts Medicare Assignment
23521 Paseo De Valencia, Suite 108, Laguna Hills, CA 926533107
Phone: 9495887262
NPI Identifier 1972634897
View Full Profile

Dr. Arthur J Daigneault , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
24221 Calle De La Louisa, Suite 200, Laguna Hills, CA 926537638
Phone: 9495888700
NPI Identifier 1609845361
View Full Profile

Dr. Owrang Dastmalchi , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment
23141 Verdugo Dr Ste 201, Laguna Hills, CA 926531341
Phone: 9492155055
NPI Identifier 1922049188
View Full Profile

Dr. Marwan Edris , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
25283 Cabot Road, Suite 106, Laguna Hills, CA 92653
Phone: 9493649080
NPI Identifier 1013045970
View Full Profile

Dr. Farbod Farmand , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment
23141 Verdugo Dr Ste 201, Laguna Hills, CA 926531341
Phone: 9495555555
NPI Identifier 1518295484
View Full Profile

Dr. Raymond C Fernandez , MD

Internal Medicine

Active NPI Status
24221 Calle De La Louisa, Suite 200, Laguna Hills, CA 926537638
Phone: 9494658155
NPI Identifier 1629039532
View Full Profile

Dr. Stefan Frolov , MD

Internal Medicine

Active NPI Status
24411 Health Center Dr, 620, Laguna Hills, CA 926533651
Phone: 9494523021
NPI Identifier 1982769733
View Full Profile

Dr. Ali Ghazvini , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
23961 Calle De La Magdalena, Ste 430, Laguna Hills, CA 926533616
Phone: 9497167700
NPI Identifier 1104865153
View Full Profile

Dr. Reza Govashiri , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
24421 Calle De La Louisa Ste 200, Laguna Hills, CA 926537609
Phone: 9498304201
NPI Identifier 1255346797
View Full Profile

Dr. Lynn C Granlund , MD

Internal Medicine

Active NPI Status
24411 Health Center Drive, Suite 460, Laguna Hills, CA 926533687
Phone: 9493737799
NPI Identifier 1902936552
View Full Profile

Dr. Richard H Greengold , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
24953 Paseo De Valencia Ste 15b, Laguna Hills, CA 926534339
Phone: 9497702080
NPI Identifier 1477740488
View Full Profile

Brian L Henry

Internal Medicine

Active NPI Status Accepts Medicare Assignment
24221 Calle De La Louisa, Suite 200, Laguna Hills, CA 926537638
Phone: 9495888700
NPI Identifier 1629047824
View Full Profile

Frequently Asked Questions about Internal Medicine in Laguna Hills

How do I check a Internal Medicine practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.