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

MS. Mary-Ellen Cooper, NP

Individual provider Nurse Practitioner · NPI 1689989568

MS. Mary-Ellen Cooper, NP is a Nurse Practitioner in Watertown, Massachusetts. Qualified in 2009, 17 years ago. Practices with The Commonwealth of Massachusetts, a 144-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
17
Licensed in
MA
In the registry since
2010
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

200 Dexter Ave Ste K
Watertown, MA 02472-4238
Phone: (617) 600-3195
Fax: (617) 924-1207
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN216769 (MA)

Record details

NPI number1689989568
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 16, 2010
Last updated in NPPESAugust 16, 2010

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice The Commonwealth Of Massachusetts — 144 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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