Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Gerald Austen Jr., M.D.

Plastic Surgery Physician in Boston, MA · enumerated 2005 · practices at Massachusetts General Hospital.

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

National Provider Identifier

1649269531

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Registry record

Entity type Individual (Type 1)

Name Dr. William Gerald Austen Jr.

Credential M.D.

Sex Male

Practice address 15 Parkman Street, Wacc 435, Boston, MA, 02114

Phone (617) 724-9922

Fax (617) 726-8089

Enumeration date Oct 14, 2005

Last updated in NPPES Apr 8, 2009

Taxonomy & licenses

208200000X Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 153973 (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
3191125	Medicaid	MA	-
WA49549	Other	RI	OSW-RHODE ISLAND #
11853400	Other	NH	HEALTHSOURCE NEW HAMPSHIR
13-00204	Other	MA	UNITED HEALTH CARE #
21697	Other	MA	HARVARD PILGRIM #
3143599	Other	MA	AETNA PROVIDER NUMBER
0029054	Other	MA	NEIGHBORHOOD HEALTH PLAN
J19220	Other	MA	BLUE CROSS BLUE SHIELD #
30204972	Medicaid	NH	-
797462	Other	MA	TUFTS HEALTH PLAN
11853	Other	NH	NEW HAMPSHIRE VENDOR #
7478597001	Other	MA	CIGNA PROVIDER NUMBER

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.

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Frequently asked questions

Where does William Austen practice?

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

What is the NPI number for William Austen?

The National Provider Identifier (NPI) for William Austen is 1649269531, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Britain Nicholson Internal Medicine Physician · Boston, MA NPI 1578563680 Debra Cambridge Nurse Practitioner · Boston, MA NPI 1366430548 Nancy Cantelmo Vascular Surgery Physician · Boston, MA NPI 1922097260 Charles Weiss Internal Medicine Physician · Boston, MA NPI 1982694493 Nancy Keuthen Psychologist · Boston, MA NPI 1215928874 Helen Riess Psychiatry Physician · Boston, MA NPI 1821079633 Daniel Singer Internal Medicine Physician · Boston, MA NPI 1194700310 Mieko Fukui Internal Medicine Physician · Boston, MA NPI 1992782478

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-08.