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Dr. Jeffrey L Grassmann, D.O.

Family Medicine Physician in South Portland, ME · enumerated 2007 · practices at Intermed, PA.

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

National Provider Identifier

1750580486

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Registry record

Entity type Individual (Type 1)
Name Dr. Jeffrey L Grassmann
Credential D.O.
Sex Male
Practice address 100 Foden Rd, East, Suite 203, South Portland, ME, 04106
Phone (207) 874-1489
Fax (207) 523-8590
Enumeration date Jul 12, 2007
Last updated in NPPES May 21, 2018

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 2147 (ME) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
1750580486 Medicaid ME -

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 is the NPI number for Jeffrey Grassmann?
The National Provider Identifier (NPI) for Jeffrey Grassmann is 1750580486, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeffrey Grassmann practice?
The practice location on file with NPPES is in South Portland, ME. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-21.