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Internal Medicine Providers in Vista, CA

Browse 43 Internal Medicine providers listed in NPPES with a practice address in Vista, California.

43 Healthcare Providers

How Vista compares with the U.S.

Vista has 43 clinicians in Internal Medicine per 100,000 residents, close to the U.S. rate of 44.

That is 43 active clinicians in Internal Medicine with a practice address in Vista, for a population of 99,114.

That is close to the California rate of 45.

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 Vista listed in the CMS Medicare file (20 of 21) accept Medicare assignment. That is similar to the California share of 96%.

Only 21 of 43 active clinicians in Internal Medicine in Vista 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.

62% of clinicians in Internal Medicine in Vista listed in the CMS Medicare file (13 of 21) 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 Vista, CA

Source: CMS PECOS
PECOS Enrolled Specialists 33 In Vista, CA
Part B Lab & Imaging Eligible 33 Diagnostic Referrals
DME Ordering Eligible 35 Durable Medical Equipment
Home Health Agency Referrals 33 HHA Ordering Eligible
Showing 1โ€“20 of 43 providers
With recent CMS data first, then Aโ€“Z

Dr. Emad Abu-Khieran , MD

Internal Medicine

Active NPI Status
1840 West Dr, Vista, CA 920836115
Phone: 6192054585
NPI Identifier 1558314237
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Dr. Clark T Bach , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
130 Cedar Rd Ste 210, Vista, CA 920835102
Phone: 7608065500
NPI Identifier 1831579689
View Full Profile

Dr. Stanislaw Bankowski , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
910 Sycamore Ave Ste 270, Vista, CA 920817852
Phone: 8009268273
NPI Identifier 1922748706
View Full Profile

Dr. Maryam Barangi , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
326 S Melrose Dr Fl 2, Vista, CA 920816618
Phone: 7602916700
NPI Identifier 1528626918
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Dr. Sam Baroudi , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1926 Via Ctr, Vista, CA 920816056
Phone: 7609407000
NPI Identifier 1316936933
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Dr. Jennifer Michelle Black , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1000 Vale Terrace Dr, Vista, CA 920845218
Phone: 7606315000
NPI Identifier 1194763326
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Dr. Stuart Lowell Bursten , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
204 S Santa Fe Ave, Vista, CA 92084
Phone: 7609418888
NPI Identifier 1164494696
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Dr. Sanjana Chaturvedi , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2067 W Vista Way, Suite 200, Vista, CA 920836031
Phone: 7607262180
NPI Identifier 1881630457
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Dr. Max Chen , MD

Internal Medicine

Active NPI Status
105 Durian St Ste B, Vista, CA 920836230
Phone: 7606315000
NPI Identifier 1285750356
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Dr. John Clancy , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment
2375 S Melrose Dr, Vista, CA 920818788
Phone: 7603051900
NPI Identifier 1962506238
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Dr. Ardeth Copeland , MD

Internal Medicine

Active NPI Status
1000 Vale Terrace Dr, Vista, CA 920845218
Phone: 7606315000
NPI Identifier 1699704338
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Dr. Julia Olson Farmer , MD

Internal Medicine

Active NPI Status
105 Durian St Ste B, Vista, CA 920836230
Phone: 7606315000
NPI Identifier 1508959347
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Dr. Franklin Galef , MD

Internal Medicine

Active NPI Status
2120 Thibodo Rd # 110, Vista, CA 920817901
Phone: 7608065820
NPI Identifier 1164439667
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Dr. Farzaneh Hassani , MD

Internal Medicine

Active NPI Status
134 Grapevine Rd, Vista, CA 920834004
Phone: 7606315000
NPI Identifier 1942204979
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Dr. Susan D Heifetz , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
2067 W Vista Way, Suite 200, Vista, CA 92083
Phone: 7607262180
NPI Identifier 1831289297
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Dr. Galina L Khemlina , MD

Internal Medicine

Active NPI Status
1840 West Dr, Vista, CA 920836115
Phone: 8585528585
NPI Identifier 1689839722
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Dr. Stuart B Kipper , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
910 Sycamore Ave, Suite 220, Vista, CA 920817832
Phone: 7605981700
NPI Identifier 1114956570
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Dr. Gary L Kobayashi , MD

Internal Medicine

Active NPI Status
145 Thunder Dr, Vista, CA 920836010
Phone: 7606305464
NPI Identifier 1245303353
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Dr. John A Lafata , MD

Internal Medicine

Active NPI Status
2067 W Vista Way, Suite 200, Vista, CA 920836031
Phone: 7607262180
NPI Identifier 1285662403
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Dr. Xiangli Li , MD PHD, PC

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2067 W Vista Way, Suite 200, Vista, CA 920836031
Phone: 7609419844
NPI Identifier 1851657001
View Full Profile

Frequently Asked Questions about Internal Medicine in Vista

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.