Geraldine Mercer, M.D.
NPI 1588688352 · Anatomic Pathology & Clinical Pathology Physician · Morristown, NJ
Geraldine Mercer, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Morristown, NJ (NPI 1588688352).
Provider details
- NPI number
- 1588688352
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 23MA05928800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Geraldine Mercer's NPI number?
- Geraldine Mercer's National Provider Identifier (NPI) is 1588688352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geraldine Mercer's specialty?
- Geraldine Mercer is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Geraldine Mercer located?
- Geraldine Mercer's practice location on file with NPPES is 100 Madison Ave, Morristown, NJ 07960-6136.
- What is Geraldine Mercer's phone number?
- The practice phone number listed in the NPPES registry for Geraldine Mercer is (973) 971-5777.
- Is Geraldine Mercer's NPI active?
- Yes — Geraldine Mercer's NPI (1588688352) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.