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Optometry

Zachary T. Pumphrey, OD

Sees patients in Johnson City, TN · Elizabethton, TN · Tennessee

Summary

Dr. Zachary T. Pumphrey, OD is an optometrist at 2306 Knob Creek Rd, Suite 106, Johnson City, TN 37604. Phone: (423) 929-2020. May accept Medicare assignment. In 2024, Zachary T. Pumphrey had 221 Original Medicare patients and 4,390 services. NPI 1013925791. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 2306 Knob Creek Rd, Suite 106, Johnson City, TN 37604 · Directions (1 more location)
  • Phone: (423) 929‑2020
  • Medicare: May accept Medicare assignment
  • Group practice: Mills Optometric Associates, PC (+1 more)
  • Optometry school: University Alabama Birmingham - School Of Optometry · graduated 2006 (20 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary T. Pumphrey, 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 Zachary T. Pumphrey accept Medicare assignment?
Medicare's clinician data says Zachary T. Pumphrey may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Zachary T. Pumphrey see?
In 2024, CMS data shows 221 Original Medicare patients and 4,390 services for Zachary T. Pumphrey. This counts Original Medicare only and measures volume, not quality.
What is Zachary T. Pumphrey's NPI number?
1013925791. 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 Zachary T. Pumphrey, 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 patients221
Services billed to Medicare4,390
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Removal of cataract with insertion of prosthetic lens (66984)3,565 services
  2. Established patient complete exam of visual system (92014)128 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
  4. Photography of the retina (92250)52 services
  5. Imaging of retina (92134)34 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 blood pressure75%
  • High cholesterol66%
  • Arthritis48%
  • Diabetes35%
  • Anxiety33%
  • Depression29%

Practice locations

Addresses where Zachary T. Pumphrey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary T. Pumphrey as a member of these groups (CMS data updated October 2, 2026).

  • Mills Optometric Associates, PC2 clinicians in the group
  • Truelight Eye Care, PLLC2 clinicians in the group

Specialties

Find other clinicians: Optometry, Tennessee →

Other optometrists in Johnson City

Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.

All optometrists in Johnson City →

Other clinicians in Mills Optometric Associates, PC

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

Clinician information

CredentialOD
Optometry schoolUniversity Alabama Birmingham - School Of Optometry
Graduation year2006 (20 years since optometry school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1013925791
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