Marier Hernandez-Perez, M.D.
NPI 1396998761 · Anatomic Pathology & Clinical Pathology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marier Hernandez-Perez, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Boston, MA (NPI 1396998761).
Provider details
- NPI number
- 1396998761
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 257723 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,116 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 2,360 | $79 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 253 | $118 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 148 | $102 |
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 113 | $126 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 110 | $128 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 73 | $49 |
Practice location
Mailing address
Additional practice locations (1)
- 15 Crawford St Ste 100Needham, MA 02494-2618Phone: (617) 969-4100
Registry dates
- Enumerated
- 2008-10-29
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Marier Hernandez-Perez's NPI number?
- Marier Hernandez-Perez's National Provider Identifier (NPI) is 1396998761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marier Hernandez-Perez's specialty?
- Marier Hernandez-Perez is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Marier Hernandez-Perez located?
- Marier Hernandez-Perez's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Marier Hernandez-Perez's phone number?
- The practice phone number listed in the NPPES registry for Marier Hernandez-Perez is (617) 658-9310.
- Does Marier Hernandez-Perez accept Medicare?
- Marier Hernandez-Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marier Hernandez-Perez's NPI active?
- Yes — Marier Hernandez-Perez's NPI (1396998761) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.