Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory J Thesing, M.D.

Family Medicine Physician in Hillsboro, NH · enumerated 2005.

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

National Provider Identifier

1043214711

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory J Thesing

Credential M.D.

Sex Male

Practice address 15 Antrim Rd, Hdfh, Hillsboro, NH, 03244

Phone (603) 464-3434

Fax (603) 464-3440

Enumeration date Jun 9, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 9755 (NH) 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
0103007YPNH01	Other	NH	ANTHEM ID#
2445134	Other	NH	AETNA ID#
222594672	Other	NH	HEALTHCARE VALUE MANANGE#
222594672	Other	NH	GREATWEST HEALTHCARE ID#
07-04269	Other	NH	TRICARE ID#
G44636	Other	NH	HARVARD PILGRIM ID#
H005016	Other	NH	TRICARE ID#
2139312	Other	NH	CIGNA ID#
30010092	Medicaid	NH	-
80199585	Other	NH	RAILROAD MEDICARE ID#
0103007Y0NH01	Other	NH	ANTHEM ID# FHC
222594672	Other	NH	PRIVATE HEALTH CARE ID#
4126964	Other	NH	MVP ID#
383153	Other	NH	MVP-FHC BILLING 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Gregory Thesing practice?

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

What is the NPI number for Gregory Thesing?

The National Provider Identifier (NPI) for Gregory Thesing is 1043214711, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Teri Brehio Family Medicine Physician · Hillsboro, NH NPI 1760485569 Michael Tso Family Medicine Physician · Hillsboro, NH NPI 1578592184 Meredith Connor Social Worker · Hillsboro, NH NPI 1497909485 Jenny Lane Family Nurse Practitioner · Hillsboro, NH NPI 1245526342 Alexander Dickson Family Medicine Physician · Hillsboro, NH NPI 1952752586 Brian Mckenna Family Medicine Physician · Hillsboro, NH NPI 1942652144 Kaitlin Strong Family Medicine Physician · Hillsboro, NH NPI 1326610114

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.