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Obstetrics/Gynecology

Fernando J. Roca Vall-Llobera, MD

Sees patients in Somerville, MA · Massachusetts

Summary

Dr. Fernando J. Roca Vall-Llobera, MD is an OB-GYN at 40 Holland St, Somerville, MA 02144. Phone: (617) 629-6000. Accepts Medicare assignment. In 2024, Fernando J. Roca Vall-Llobera had 31 Original Medicare patients and 109 services. NPI 1669645453. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 40 Holland St, Somerville, MA 02144 · Directions
  • Phone: (617) 629‑6000
  • Medicare: Accepts Medicare assignment
  • Group practice: Atrius Health Inc
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Fernando J. Roca Vall-Llobera, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Fernando J. Roca Vall-Llobera accept Medicare assignment?
Yes. Medicare's clinician data says Fernando J. Roca Vall-Llobera accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Fernando J. Roca Vall-Llobera see?
In 2024, CMS data shows 31 Original Medicare patients and 109 services for Fernando J. Roca Vall-Llobera. This counts Original Medicare only and measures volume, not quality.
What is Fernando J. Roca Vall-Llobera's NPI number?
1669645453. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Fernando J. Roca Vall-Llobera, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients31
Services billed to Medicare109
Different services or procedures39
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol65%
  • High blood pressure55%
  • Arthritis39%

Practice locations

Addresses where Fernando J. Roca Vall-Llobera is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Fernando J. Roca Vall-Llobera as a member of this group (CMS data updated October 2, 2026).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Somerville

Clinicians with the same Medicare primary specialty in Somerville, MA — not a recommendation.

All OB-GYNs in Somerville →

Other clinicians in Atrius Health Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669645453
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians