Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory S Shields, MD

Diagnostic Radiology Physician in Buffalo, NY · enumerated 2006.

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

National Provider Identifier

1013975895

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory S Shields

Credential MD

Sex Male

Practice address 100 High St, Buffalo, NY, 14203

Phone (716) 859-2954

Fax (716) 859-2962

Enumeration date May 2, 2006

Last updated in NPPES May 6, 2008

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 234818 (NY) 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
00027018401	Other	-	UNIVERA
195358FF	Other	-	PREFERRED CARE
P010234818	Other	-	BLUE CHOICE
000528027007	Other	-	BLUE SHIELD WNY
00027018407	Other	-	UNIVERA
000528027001	Other	-	BLUE SHIELD WNY
1612805	Other	-	INDEPENDENT HEALTH
02625074	Medicaid	NY	-
P00196037	Other	-	RR MEDICARE
000528027005	Other	-	BLUE SHIELD WNY
P00209389	Other	-	RR MEDICARE
00027018405	Other	-	UNIVERA
2348183W	Other	NY	WORKERS COMPENSATION
P020234818	Other	-	BLUE SHIELD ROCHESTER
0142859	Other	-	GHI
050901000062	Other	-	FIDELIS
4193669	Other	-	GHI
P040234818	Other	-	BLUE SHIELD ROCHESTER

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

Is NPI 1013975895 active?

Yes, as of the latest NPPES snapshot, NPI 1013975895 is active (record last updated 2008-05-06).

How do I verify Gregory Shields's NPI record?

Cross-check NPI 1013975895 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-06.