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

Danyelle M. Tierney, DO

Individual provider Internal Medicine Physician · NPI 1134298813

Danyelle M. Tierney, DO is an Internal Medicine in Portland, Maine. Graduated from University of New England, College of Osteo Medicine in 2002, 24 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
24
Trained at
University of New England, College of Osteo Medicine
Licensed in
ME
In the registry since
2006
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

84 Marginal Way Ste 700
Portland, ME 04101
Phone: (207) 774-5816
Fax: (207) 523-8597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO1903 (ME)

Record details

NPI number1134298813
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 7, 2006
Last updated in NPPESNovember 9, 2016
Mailing address100 Gannett Drive, Suite C, South Portland, ME 04106

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2002 (24 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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