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WILLIAM HUNTER GREIS
NPI 1396548046
Student in an Organized Health Care Education/Training Program in Worcester, MA

Active since March 28, 2025PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000 Get Directions Write a Review

NPPES record last updated: March 28, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William Hunter Greis NPPES

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

WILLIAM HUNTER GREIS (NPI 1396548046) is an individual student in an organized health care education/training program in Worcester, Massachusetts and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396548046
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameWILLIAM HUNTER GREIS
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Lake Ave NWorcester, MA 01655-0002
Phone(508) 334-1000
Sole ProprietorNo
Enumeration DateMarch 28, 2025
NPPES CertifiedMarch 28, 2025
✔ NPI 1396548046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
55 LAKE AVE N, Worcester, MA 01655
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Hunter Greis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
YOONYIE CHO M.D.
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-1000

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 William Greis's NPI number?

The NPI number for William Greis is 1396548046. It was assigned to this individual provider in the NPPES registry on March 28, 2025.

Where is William Greis located?

William Greis practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is William Greis's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is William Greis enrolled in Medicare?

Yes. William Greis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Greis was last updated on March 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.