Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jeffrey L Grassmann, DO

Individual provider Family Medicine Physician · NPI 1750580486

Dr. Jeffrey L Grassmann, DO is a Family Practice in South Portland, Maine. Qualified in 2007, 19 years ago. Practices with Intermed PA, a 185-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
19
Licensed in
ME
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

100 Foden Rd E Ste 203
South Portland, ME 04106-2327
Phone: (207) 874-1489
Fax: (207) 523-8590
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2147 (ME)

Record details

NPI number1750580486
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 12, 2007
Last updated in NPPESMay 21, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Intermed Pa — 185 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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