Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Arthur Conrad Waltman, MD

Diagnostic Radiology Physician in Boston, MA · enumerated 2005.

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

National Provider Identifier

1619967924

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Registry record

Entity type Individual (Type 1)

Name Dr. Arthur Conrad Waltman

Credential MD

Sex Male

Practice address 55 Fruit Street Grb2, Radiological Associates, Boston, MA, 02114

Phone (617) 726-8314

Fax (617) 726-8476

Enumeration date Oct 27, 2005

Last updated in NPPES Aug 9, 2012

Taxonomy & licenses

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License 33398 (MA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 33398 (MA) 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
2026252	Medicaid	MA	-
033398	Other	MA	TUFTS HEALTH PLAN
M08012	Other	MA	BCBS MA

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 Arthur Waltman?

The National Provider Identifier (NPI) for Arthur Waltman is 1619967924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arthur Waltman practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-09.