Juan Marrero Hernandez
NPI 1841946142 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juan Marrero Hernandez is a Physician Assistant provider in Boston, MA (NPI 1841946142).
Provider details
- NPI number
- 1841946142
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA8659 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
377 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 129 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 128 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 61 | $114 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 35 | $26 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 24 | $29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dulaglutidebrand: Trulicity | 159 | 46 |
| Semaglutidebrand: Ozempic | 132 | 38 |
| Levothyroxine Sodium | 89 | 40 |
| Alendronate Sodium | 73 | 29 |
| Metformin Hclbrand: Metformin Hcl Er | 63 | 31 |
| Metformin Hcl | 60 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$143 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 480 Maple StDanvers, MA 01923-4065Phone: (781) 744-8771
Registry dates
- Enumerated
- 2022-02-24
- Last updated
- 2023-11-28
- Certified
- 2023-11-28
Frequently asked questions
- What is Juan Marrero Hernandez's NPI number?
- Juan Marrero Hernandez's National Provider Identifier (NPI) is 1841946142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Marrero Hernandez's specialty?
- Juan Marrero Hernandez is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Juan Marrero Hernandez located?
- Juan Marrero Hernandez's practice location on file with NPPES is 260 Tremont St., Boston, MA 02111.
- What is Juan Marrero Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Juan Marrero Hernandez is (617) 636-5689.
- Does Juan Marrero Hernandez accept Medicare?
- Juan Marrero Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juan Marrero Hernandez's NPI active?
- Yes — Juan Marrero Hernandez's NPI (1841946142) is active in the NPPES registry as of the last update on 2023-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.