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Ophthalmology

Sandya Thimmappa Cohen, MD

Sees patients in Greensboro, NC · North Carolina

Summary

Dr. Sandya Thimmappa Cohen, MD is an ophthalmologist at 1317 N Elm St, Suite 4, Greensboro, NC 27401. Phone: (336) 378-1442. Accepts Medicare assignment. In 2024, Sandya Thimmappa Cohen had 45 Original Medicare patients and 99 services. NPI 1477505113. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1317 N Elm St, Suite 4, Greensboro, NC 27401 · Directions
  • Phone: (336) 378‑1442
  • Medicare: Accepts Medicare assignment
  • Group practice: Groat Eyecare Associates, P.A.
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sandya Thimmappa Cohen, 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 Sandya Thimmappa Cohen accept Medicare assignment?
Yes. Medicare's clinician data says Sandya Thimmappa Cohen 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 Sandya Thimmappa Cohen see?
In 2024, CMS data shows 45 Original Medicare patients and 99 services for Sandya Thimmappa Cohen. This counts Original Medicare only and measures volume, not quality.
What is Sandya Thimmappa Cohen's NPI number?
1477505113. 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 Sandya Thimmappa Cohen, 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 patients45
Services billed to Medicare99
Different services or procedures12
Participating Medicare providerYes
Average age of these patients76

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)49 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 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 cholesterol75%
  • High blood pressure64%
  • Arthritis47%
  • Diabetes38%
  • Chronic kidney disease33%
  • Ischemic heart disease31%

Practice locations

Addresses where Sandya Thimmappa Cohen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sandya Thimmappa Cohen as a member of this group (CMS data updated October 2, 2026).

  • Groat Eyecare Associates, P.A.3 clinicians in the group

Specialties

Find other Ophthalmology doctors in North Carolina →

Other ophthalmologists in Greensboro

Clinicians with the same Medicare primary specialty in Greensboro, NC — not a recommendation.

All ophthalmologists in Greensboro →

Other clinicians in Groat Eyecare Associates, P.A.

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477505113
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