Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Methuen Oral Surgery Associates, P.C.

Oral and Maxillofacial Surgery (Dentist) in Methuen, MA · enumerated 2007 · authorized official Francis Grzejka, Oral and Maxillofacial Surgeon.

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

National Provider Identifier

1134274913

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Registry record

Entity type Organization (Type 2)

Legal business name Methuen Oral Surgery Associates, P.C.

Practice address 60 East St, Suite 2500, Methuen, MA, 01844

Phone (978) 687-2224

Fax (978) 683-2191

Enumeration date Jan 24, 2007

Last updated in NPPES Mar 5, 2008

Taxonomy & classification

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 1605420 (MA) Primary

Authorized official

Name Francis Grzejka

Title Oral and Maxillofacial Surgeon

Phone (978) 687-2224

Other identifiers

Identifier	Type	State	Issuer
798600	Other	MA	TUFTS
X07726	Other	MA	BLUE CROSS BLUE SHIELD
1588759237	Other	MA	NPI

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

What type of organization is Methuen Oral Surgery Associates, P.C.?

Methuen Oral Surgery Associates, P.C. is registered in NPPES as a Oral and Maxillofacial Surgery (Dentist) (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Mary Smith Certified Registered Nurse Anesthetist · Methuen, MA NPI 1356340913 Fernando Romero Obstetrics & Gynecology Physician · Methuen, MA NPI 1245226943 Dipakkumar Patel Pediatrics Physician · Methuen, MA NPI 1669460184 Elizabeth Hogan Nurse Practitioner · Methuen, MA NPI 1437123551 Mark Conrad Surgery Physician · Methuen, MA NPI 1306810007 Anjana Chakrabarti General Practice Physician · Methuen, MA NPI 1447229307 Robert Kellan Ophthalmology Physician · Methuen, MA NPI 1386683381 Michele Johnson Obstetrics & Gynecology Physician · Methuen, MA NPI 1831204122

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-05.