Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rudolph E Willis, M.D.

Hematology & Oncology Physician in Portsmouth, VA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831194216

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Rudolph E Willis

Credential M.D.

Sex Male

Practice address 355 Crawford St, Ste 300, Portsmouth, VA, 23704

Phone (757) 396-6333

Fax (757) 396-6367

Enumeration date Jun 14, 2005

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 0101233411 (VA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
89067J2	Other	NC	NC MEDICAID
P00013926	Other	VA	RAILROAD MEDICARE
437204	Other	VA	ANTHEM BCBS
59557	Other	VA	OPTIMA HEALTH PLAN
374935	Other	VA	MAMSI/MDIPA

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Rudolph Willis?

The National Provider Identifier (NPI) for Rudolph Willis is 1831194216, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rudolph Willis practice?

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

Other providers at this practice address

Browse all →

Lloyd Shabazz Hematology & Oncology Physician · Portsmouth, VA NPI 1720082183 Magdy Sidhom Anesthesiology Physician · Portsmouth, VA NPI 1477514206 Jabulani Munalula Surgical Oncology Physician · Portsmouth, VA NPI 1437105467 Roderick Myers Certified Registered Nurse Anesthetist · Portsmouth, VA NPI 1235185109 Delta Oncology Associates PC Surgery Physician · Portsmouth, VA NPI 1578502423 Delta Oncology Associates PC Medical Oncology Physician · Portsmouth, VA NPI 1184666943 Kimberly Kelly Certified Registered Nurse Anesthetist · Portsmouth, VA NPI 1699711366 Carol Martins Certified Registered Nurse Anesthetist · Portsmouth, VA NPI 1285666867

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.