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

Katie Brouillard O'Brien, NP

Individual provider Nurse Practitioner · NPI 1801048921

Katie Brouillard O'Brien, NP is a Nurse Practitioner in Worcester, Massachusetts. Qualified in 2008, 18 years ago. Practices with Integrated Dermatology of Worcester II LLC, a 2-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
18
Licensed in
MA
In the registry since
2008
Specialties on file
2
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

255 Park Ave Ste 509
Worcester, MA 01609-1989
Phone: (508) 890-5500
Fax: (508) 890-5505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 284603 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence 284603 (MA)

Record details

NPI number1801048921
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 21, 2008
Last updated in NPPESJanuary 26, 2026
Certification dateJanuary 26, 2026
Mailing address36 Adams Street, Quincy, MA 02169

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Integrated Dermatology Of Worcester Ii Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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