DR. MARSHALL T WILLIAMS M.D., PHD
NPI 1982713988
Internal Medicine - Infectious Disease in Newark, DE

Q: What is Marshall Williams's NPI number?

The NPI number for Marshall Williams is 1982713988. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Marshall Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Marshall Williams was last updated on January 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2006

537 STANTON CHRISTIANA RD, SUITE 201, NEWARK, DE 19713(302) 994-9692(302) 994-9803 Get Directions Write a Review

NPPES record last updated: January 31, 2008. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. Marshall T Williams M.d., Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARSHALL T WILLIAMS M.D., PHD (NPI 1982713988) is an individual infectious disease provider in Newark, Delaware, licensed in Delaware (C10003079) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1982713988

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. MARSHALL T WILLIAMSCredential: M.D., PHD

Location Address537 STANTON CHRISTIANA RD, SUITE 201Newark, DE 19713-2146

Mailing Address537 Stanton Christiana Rd, Suite 201Newark, DE 19713-2146 · (302) 994-9692 · Fax (302) 994-9803

Phone(302) 994-9692

Fax(302) 994-9803

Sole ProprietorNo

Enumeration DateAugust 30, 2006

Last NPPES UpdateJanuary 31, 2008

✔ NPI 1982713988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in DE · C10003079✔ Licensed in MD · D0055056

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

537 STANTON CHRISTIANA RD, Newark, DE 19713

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Other Identifiers 4

Medicaid0000032801DE

Medicare UPINF04132

Medicare ID-Type Unspecified585439I60DE

Medicare ID-Type Unspecified049M839EMD

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HELEN A. MASHEK MD

Dermatology

537 STANTON CHRISTIANA RD, SUITE # 207
NEWARK, DE 19713

New Castle County (302) 633-7550

ALEXANDRA KROCHTA PA

Physician Assistant

537 STANTON CHRISTIANA RD
NEWARK, DE 19713

New Castle County (302) 633-7550

SARA BETH ABBO CRNP

Nurse Practitioner (Family)

537 STANTON CHRISTIANA RD, SUITE 201
NEWARK, DE 19713

New Castle County (302) 994-9692

PREMIER DERMATOLOGY

Physician Assistant (Medical)

537 STANTON CHRISTIANA RD, SUITES 107,111,207 & 209
NEWARK, DE 19713

New Castle County (302) 633-7550

APEX DENTAL CENTER LLC

Dentist (General Practice)

537 STANTON CHRISTIANA RD, SUITE 211
NEWARK, DE 19713

New Castle County (302) 998-0304

ISAIAS IRGAU MD

Surgery

537 STANTON CHRISTIANA RD, SUITE 102
NEWARK, DE 19713

New Castle County (302) 892-9900

DR. SHEERIN JAVED M.D.

Internal Medicine (Rheumatology)

537 STANTON CHRISTIANA RD, SUITE 212
NEWARK, DE 19713

New Castle County (302) 633-9033

WEIGHT LOSS CENTER OF DELAWARE

Surgery

537 STANTON CHRISTIANA RD, SUITE 102
NEWARK, DE 19713

New Castle County (302) 892-9900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marshall Williams's NPI number?

The NPI number for Marshall Williams is 1982713988. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Marshall Williams located?

Marshall Williams practices at 537 Stanton Christiana Rd Suite 201, Newark, DE 19713. The listed phone number is (302) 994-9692.

What is Marshall Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Marshall Williams was last updated on January 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.