Dr. Jacob Martin Wessler, MD

Dr. Jacob Martin Wessler is a Pediatric Hematology & Oncology Physician provider (Pediatrics) practicing in Portsmouth, VA, registered in the NPPES registry with NPI 1477520708 since 2006. The credential MD stands for Doctor of Medicine.

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NPI	1477520708
Entity type	Individual (Type 1)
Name	Dr. Jacob Martin Wessler
Credential	MD
Sex	Male
Practice address	620 JOHN PAUL JONES CIR, DEPARTMENT OF PEDIATRIC HEMATOLOGY/ONCOLOGY, Portsmouth, VA, 23708
Phone	7579534529
Fax	7579533293
Enumeration date	2006-03-07
Last updated in NPPES	2023-09-01

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
2080P0207X	Pediatric Hematology & Oncology Physician	Primary	0101239389	VA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details

Provider: Jacob Wessler, MD
NPI: 1477520708
Taxonomy: 2080P0207X (Pediatric Hematology & Oncology Physician)
Address: 620 JOHN PAUL JONES CIR, DEPARTMENT OF PEDIATRIC HEMATOLOGY/ONCOLOGY, Portsmouth, VA, 23708

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1427054840	Debra Crowell	Individual	Registered Nurse	Portsmouth, VA
1720084007	Deidra Flanary	Individual	Periodontics	Portsmouth, VA
1407856065	Gloria Coates	Individual	Pharmacist	Portsmouth, VA
1760483358	James Schneider	Individual	Surgery Physician	Portsmouth, VA
1962403477	Christopher Cobb	Individual	General Practice Dentistry	Portsmouth, VA
1346232956	Catherine Greene	Individual	Clinical Psychologist	Portsmouth, VA
1124012364	Brian Beharry	Individual	General Practice Dentistry	Portsmouth, VA
1235123704	Richard Gerber	Individual	Developmental - Behavioral Pediatrics Physician	Portsmouth, VA

Verify this record

Cross-check NPI 1477520708 against the authoritative CMS record: view Dr. Jacob Martin Wessler on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Jacob Wessler?

The National Provider Identifier (NPI) for Jacob Wessler is 1477520708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jacob Wessler practice?

The practice location on file with NPPES is in Portsmouth, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-09-01.