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

Harold S. Simpson, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1689601080

Harold S. Simpson, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Westwood, Massachusetts. Qualified in 1999, 27 years ago. Practices with Clinical Colleagues Inc, a 173-clinician group and works from 2 locations. Licensed in Massachusetts.

Years since qualifying
27
Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

690 Canton St Ste 325
Westwood, MA 02090-2329
Phone: (781) 407-7713
Fax: (781) 407-0998
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-3271

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN257764 (MA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 257764 (MA)

Record details

NPI number1689601080
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESDecember 9, 2020
Certification dateDecember 9, 2020
Mailing address690 Canton Street, Suite 325, Westwood, MA 02090-2329

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Clinical Colleagues Inc — 173 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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