Zonda Mercer, M.D.
NPI 1487751418 · Professional Counselor · Somerville, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zonda Mercer, M.D. is a Professional Counselor provider in Somerville, MA (NPI 1487751418).
Provider details
- NPI number
- 1487751418
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 31932 (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
- 2006-09-20
- Last updated
- 2016-06-30
Frequently asked questions
- What is Zonda Mercer's NPI number?
- Zonda Mercer's National Provider Identifier (NPI) is 1487751418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zonda Mercer's specialty?
- Zonda Mercer is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Zonda Mercer located?
- Zonda Mercer's practice location on file with NPPES is 1234 Broadway, Somerville, MA 02144-1703.
- What is Zonda Mercer's phone number?
- The practice phone number listed in the NPPES registry for Zonda Mercer is (617) 547-3947.
- Does Zonda Mercer accept Medicare?
- Zonda Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zonda Mercer's NPI active?
- Yes — Zonda Mercer's NPI (1487751418) is active in the NPPES registry as of the last update on 2016-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.