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Optometry

Nayiri Ajoian, OD

Sees patients in Belmont, MA · Massachusetts

Summary

Dr. Nayiri Ajoian, OD is an optometrist at 333 Trapelo Rd, Belmont, MA 02478. Phone: (617) 484-7869. May accept Medicare assignment. In 2024, Nayiri Ajoian had 38 Original Medicare patients and 427 services. NPI 1285604264. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 333 Trapelo Rd, Belmont, MA 02478 · Directions
  • Phone: (617) 484‑7869
  • Medicare: May accept Medicare assignment
  • Group practice: Eyesmile
  • Optometry school: New England College Of Optometry · graduated 2005 (21 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nayiri Ajoian, 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 Nayiri Ajoian accept Medicare assignment?
Medicare's clinician data says Nayiri Ajoian may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Nayiri Ajoian see?
In 2024, CMS data shows 38 Original Medicare patients and 427 services for Nayiri Ajoian. This counts Original Medicare only and measures volume, not quality.
What is Nayiri Ajoian's NPI number?
1285604264. 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 Nayiri Ajoian, 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 patients38
Services billed to Medicare427
Different services or procedures14
Participating Medicare providerYes
Average age of these patients75

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)23 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services
  3. Established patient complete exam of visual system (92014)17 services
  4. New patient complete exam of visual system (92004)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 cholesterol61%
  • High blood pressure55%

Practice locations

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

Group practices

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

  • Eyesmile2 clinicians in the group

Specialties

Find other clinicians: Optometry, Massachusetts →

Other optometrists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All optometrists in Massachusetts →

Other clinicians in Eyesmile

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

Clinician information

CredentialOD
Optometry schoolNew England College Of Optometry
Graduation year2005 (21 years since optometry school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1285604264
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