Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Lianna Valdes, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Lianna Valdes, MD is an ophthalmologist at 800 Washington St, Boston, MA 02111. Phone: (617) 636-5487. Accepts Medicare assignment. In 2024, Lianna Valdes had 250 Original Medicare patients and 625 services. NPI 1780078279. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 800 Washington St, Boston, MA 02111 · Directions
  • Phone: (617) 636‑5487
  • Medicare: Accepts Medicare assignment
  • Hospital: Tufts Medical Center
  • Group practice: Pratt Ophthalmology Associates Inc
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lianna Valdes, 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 Lianna Valdes accept Medicare assignment?
Yes. Medicare's clinician data says Lianna Valdes 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 Lianna Valdes see?
In 2024, CMS data shows 250 Original Medicare patients and 625 services for Lianna Valdes. This counts Original Medicare only and measures volume, not quality.
What is Lianna Valdes's NPI number?
1780078279. 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 Lianna Valdes, 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 patients250
Services billed to Medicare625
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient problem focused exam of visual system (92012)160 services
  2. Established patient complete exam of visual system (92014)137 services
  3. Imaging of optic nerve (92133)124 services
  4. Imaging of retina (92134)50 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 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 cholesterol74%
  • High blood pressure70%
  • Arthritis42%
  • Osteoporosis28%
  • Diabetes23%
  • Anxiety23%

Hospitals where Lianna Valdes works

Medicare's Facility Affiliation Data lists Lianna Valdes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Lianna Valdes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lianna Valdes as a member of this group (CMS data updated October 2, 2026).

  • Pratt Ophthalmology Associates Inc53 clinicians in the group

Specialties

Find other Ophthalmology doctors in Massachusetts →

Other ophthalmologists in Boston

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

All ophthalmologists in Boston →

Other clinicians in Pratt Ophthalmology Associates Inc

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

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780078279
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians