Joanne Greenfield, PH.D.
NPI 1639225097 · Clinical Psychologist · Woburn, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Greenfield, PH.D. is a Clinical Psychologist provider in Woburn, MA (NPI 1639225097).
Provider details
- NPI number
- 1639225097
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6394 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2020-10-27
- Certified
- 2020-10-27
Frequently asked questions
- What is Joanne Greenfield's NPI number?
- Joanne Greenfield's National Provider Identifier (NPI) is 1639225097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Greenfield's specialty?
- Joanne Greenfield is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joanne Greenfield located?
- Joanne Greenfield's practice location on file with NPPES is 20 Parliament Ln, Woburn, MA 01801-5346.
- What is Joanne Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Joanne Greenfield is (617) 491-8860.
- Does Joanne Greenfield accept Medicare?
- Joanne Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Greenfield's NPI active?
- Yes — Joanne Greenfield's NPI (1639225097) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.