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Internal Medicine Providers in El Cajon, CA

Browse 26 Internal Medicine providers listed in NPPES with a practice address in El Cajon, California.

26 Healthcare Providers

How El Cajon compares with the U.S.

El Cajon has 25 clinicians in Internal Medicine per 100,000 residents, about 56% of the U.S. rate of 44.

That is 26 active clinicians in Internal Medicine with a practice address in El Cajon, for a population of 104,449.

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.

95% of clinicians in Internal Medicine in El Cajon listed in the CMS Medicare file (18 of 19) 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.

37% of clinicians in Internal Medicine in El Cajon listed in the CMS Medicare file (7 of 19) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is similar to 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 El Cajon, CA

Source: CMS PECOS
PECOS Enrolled Specialists 22 In El Cajon, CA
Part B Lab & Imaging Eligible 22 Diagnostic Referrals
DME Ordering Eligible 23 Durable Medical Equipment
Home Health Agency Referrals 22 HHA Ordering Eligible
Showing 1โ€“20 of 26 providers
With recent CMS data first, then Aโ€“Z

Dr. Amethyst Marie Aguero , DO

Internal Medicine

Active NPI Status
525 E Main St, El Cajon, CA 920204007
Phone: 6195152498
NPI Identifier 1568021913
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Dr. Mohammed Alshammary , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
250 E Chase Ave Ste 109, El Cajon, CA 920206305
Phone: 6194995006
NPI Identifier 1194217539
View Full Profile

Dr. Ahmed Malik Safaa Al Shawwaf , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
330 S Magnolia Ave Ste 101, El Cajon, CA 920205221
Phone: 6195933007
NPI Identifier 1619321098
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Samuel Ani

Internal Medicine

Active NPI Status
875 El Cajon Blvd Fl 1, El Cajon, CA 920205714
Phone: 6192054585
NPI Identifier 1215514823
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Dr. Alan Awdisho , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment
875 El Cajon Blvd, El Cajon, CA 920205714
Phone: 6196624100
NPI Identifier 1164795498
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Dr. Jimi O. Benson , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1351 Broadway, El Cajon, CA 920215811
Phone: 6193836703
NPI Identifier 1477751667
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Dr. Sohini Das , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1111 W Chase Ave, El Cajon, CA 920205710
Phone: 6195152499
NPI Identifier 1194492173
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Dr. Mai Tuyet Duong , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
525 E Main St, El Cajon, CA 920204007
Phone: 6195152498
NPI Identifier 1629339304
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Dr. Sarah Hamed Elfeky , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
855 E Madison Ave, El Cajon, CA 920203819
Phone: 6194402751
NPI Identifier 1760895510
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Dr. Randa Abdullah Gorges , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1111 W Chase Ave, El Cajon, CA 920205710
Phone: 6195152499
NPI Identifier 1285079509
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Dr. Fereshteh Jahanpanah , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
343 E Main St Ste 101, El Cajon, CA 920203942
Phone: 6194476001
NPI Identifier 1518034115
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Dr. Prachi Avinash Karnik , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1240 Broadway, El Cajon, CA 920214994
Phone: 8584992600
NPI Identifier 1134131725
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Yunmi Kim

Internal Medicine

Active NPI Status
1351 Broadway, El Cajon, CA 920215811
Phone: 6193836703
NPI Identifier 1467166942
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Dr. Ronald S. Kwok , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1240 Broadway, El Cajon, CA 920214994
Phone: 8584992269
NPI Identifier 1417062894
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Dr. David Mansour , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
181 Rea Ave, El Cajon, CA 920203985
Phone: 1931200347
NPI Identifier 1689164949
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Dr. Tamara Mansy , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
875 El Cajon Blvd, El Cajon, CA 920205714
Phone: 6196624100
NPI Identifier 1396277737
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Dr. Nossa Walid Maya , MD

Internal Medicine

Active NPI Status
671 S Mollison Ave Ste B&c, El Cajon, CA 920206682
Phone: 6194550122
NPI Identifier 1184825754
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Dr. Mutuhi Susan Mugo , MD

Internal Medicine

Active NPI Status
525 E Main St, El Cajon, CA 920204007
Phone: 6195152498
NPI Identifier 1730326257
View Full Profile

Dr. Bassam K Nassir , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
436 S Magnolia Ave Ste 201, El Cajon, CA 920205237
Phone: 6196624100
NPI Identifier 1386848166
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Dr. Arjun N Reddy , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
4921 Dehesa Rd, El Cajon, CA 920192929
Phone: 6194450707
NPI Identifier 1730132457
View Full Profile

Frequently Asked Questions about Internal Medicine in El Cajon

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.