Medical Specialty Listing

Internal Medicine Providers in Harbor City, CA

Browse 64 Internal Medicine providers listed in NPPES with a practice address in Harbor City, California.

64 Healthcare Providers

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How Harbor City compares with the U.S.

64 active clinicians in Internal Medicine list a practice address in Harbor City, CA in the NPI registry.

Population data for this city are not available, so we do not compare it with the U.S. rate.

100% of clinicians in Internal Medicine in Harbor City listed in the CMS Medicare file (45 of 45) 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.

29% of clinicians in Internal Medicine in Harbor City listed in the CMS Medicare file (13 of 45) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is lower 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 Registry addresses can be out of date.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 · 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.

Internal Medicine Medicare (PECOS) Enrollment & Ordering Eligibility

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

Source: CMS PECOS

PECOS Enrolled Specialists 52 In Harbor City, CA

Part B Lab & Imaging Eligible 52 Diagnostic Referrals

DME Ordering Eligible 53 Durable Medical Equipment

Home Health Agency Referrals 52 HHA Ordering Eligible

Showing 1–20 of 64 providers

With recent CMS data first, then A–Z

Dr. Iman Mostapha Arafa , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment

25825 Vermont Ave, Harbor City, CA 907103518

Phone: 4242649525

NPI Identifier 1265967376

Internal Medicine Providers in Harbor City, CA

How Harbor City compares with the U.S.

Internal Medicine Medicare (PECOS) Enrollment & Ordering Eligibility

Dr. Iman Mostapha Arafa , MD

Dr. Anna L. Armedilla , MD

Dr. Jennifer Diane Armstrong , MD

Dr. Prabhjyot K. Brar , MD

Dr. Marcelino Barriga Cervantes , MD

Dr. Ling Ling Cheng , MD

Dr. Edmund W. Cheung , MD

Dr. Jason Chu , DO

Dr. Kenneath K. Chu , MD

Dr. Sook Claire Chung , MD

Dr. Margaret J. David , MD

Dr. William E. Fleury , MD

Dr. Verna Chenwa Guo , MD

Dr. Grace Yonghea Hacegaba , MD

Dr. Ricardo Hamilton , MD

Dr. Roger J. Hartman , MD

Jenny Meiqiong Hong

Dr. Warren Hsiao , MD

Dr. Ryokei K. Imai , MD

Dr. Tracy May Imley , MD

Frequently Asked Questions about Internal Medicine in Harbor City

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