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Internal Medicine - Infectious Diseases in Newark, DE

Browse 14 Internal Medicine - Infectious Disease providers listed in NPPES with a practice address in Newark, Delaware.

14 Healthcare Providers

How Newark compares with the U.S.

Newark has 46 clinicians in Internal Medicine - Infectious Disease per 100,000 residents, 14.4 times the U.S. rate of 3.2.

That is 14 active clinicians in Internal Medicine - Infectious Disease with a practice address in Newark, for a population of 30,330.

The Delaware rate is 3.1 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 - Infectious Disease in Newark listed in the CMS Medicare file (12 of 12) accept Medicare assignment. That is similar to the Delaware share of 100%.

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.

58% of clinicians in Internal Medicine - Infectious Disease in Newark listed in the CMS Medicare file (7 of 12) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is higher than the Delaware share of 46%.

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 - Infectious Disease Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Internal Medicine - Infectious Disease practitioners in Newark, DE

Source: CMS PECOS
PECOS Enrolled Specialists 12 In Newark, DE
Part B Lab & Imaging Eligible 12 Diagnostic Referrals
DME Ordering Eligible 12 Durable Medical Equipment
Home Health Agency Referrals 12 HHA Ordering Eligible
Showing 1โ€“14 of 14 providers
With recent CMS data first, then Aโ€“Z

Dr. Alfred E Bacon , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
78 Omega Dr, Bldg C, Newark, DE 197132064
Phone: 3023682883
NPI Identifier 1902967508
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Dr. David M Cohen , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
C78 80 Omega Drive, Newark, DE 19713
Phone: 3023682883
NPI Identifier 1306907902
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Dr. Chad Duffalo , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
537 Stanton Christiana Rd, Suite 201, Newark, DE 197132146
Phone: 3029949692
NPI Identifier 1639339484
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Dr. Wesley W Emmons , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
537 Stanton Christiana Rd, Suite 201, Newark, DE 197132146
Phone: 3029949692
NPI Identifier 1770692782
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Kristen Leigh Facciolo

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment
4755 Ogletown Stanton Rd, Newark, DE 197180001
Phone: 3027331000
NPI Identifier 1487914834
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Dr. Maya Gupta , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
537 Stanton Christiana Rd, Suite 201, Newark, DE 197132146
Phone: 3029949692
NPI Identifier 1811011646
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Dr. Stephanie A Lee , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment
78 Omega Dr Bldg C, Newark, DE 197132064
Phone: 3023682883
NPI Identifier 1912068529
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Dr. James S Ley , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment
537 Stanton Christiana Rd, Suite 201, Newark, DE 197132146
Phone: 3029949692
NPI Identifier 1376652396
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Dr. Tresa Reena Mascarenhas , MBBS

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
537 Stanton Christiana Rd Ste 202, Newark, DE 197132148
Phone: 3029949692
NPI Identifier 1477846079
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Dr. Angela J Oates , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
78 Omega Dr Bldg C, Newark, DE 197132064
Phone: 3023682883
NPI Identifier 1447437868
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Dr. John P Piper , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment
C78 80 Omega Drive, Newark, DE 19713
Phone: 3023682883
NPI Identifier 1083775654
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Dr. Shruti Puri , MD

Internal Medicine - Infectious Disease

Active NPI Status Accepts Medicare Assignment
4755 Ogletown Stanton Rd Ste 5a43, Newark, DE 197182200
Phone: 3026230188
NPI Identifier 1003234451
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Dr. Anand P Panwalker , MD

Internal Medicine - Infectious Disease

Active NPI Status
C78 80 Omega Drive, Newark, DE 19713
Phone: 3023682883
NPI Identifier 1609937267
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Dr. Marshall T Williams , MD, PhD

Internal Medicine - Infectious Disease

Active NPI Status
537 Stanton Christiana Rd, Suite 201, Newark, DE 197132146
Phone: 3029949692
NPI Identifier 1982713988
View Full Profile

Frequently Asked Questions about Internal Medicine - Infectious Disease in Newark

How do I check a Internal Medicine - Infectious Disease 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 Delaware 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.