Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark J Sterling, M.D.

Gastroenterology Physician in Lewiston, ME · enumerated 2005.

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

National Provider Identifier

1306822069

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mark J Sterling

Credential M.D.

Sex Male

Practice address 300 Main St, Lewiston, ME, 04240

Phone (207) 795-0111

Enumeration date Dec 15, 2005

Last updated in NPPES Jul 30, 2026

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License MD30810 (ME) Primary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 78918 (MA) Secondary

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
110080601A	Medicaid	MA	-

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 Mark Sterling practice?

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

What is the NPI number for Mark Sterling?

The National Provider Identifier (NPI) for Mark Sterling is 1306822069, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-30.