DR. JOHN SCOTT GENTRY O.D.
NPI 1871549691
Optometrist in Johnson City, TN

Q: What is John Gentry's NPI number?

The NPI number for John Gentry is 1871549691. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Q: What is John Gentry's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Gentry was last updated on November 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 25, 2006PECOS EnrolledAccepts Medicare Assignment

2328 KNOB CREEK RD, SUITE 506, JOHNSON CITY, TN 37604(423) 722-1311(423) 926-0529 Get Directions Write a Review

NPPES record last updated: November 23, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. John Scott Gentry O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN SCOTT GENTRY O.D. (NPI 1871549691) is an individual optometrist in Johnson City, Tennessee, licensed in Tennessee (827) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (1981).

NPPES Registry Identity

NPI1871549691

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. JOHN SCOTT GENTRYCredential: O.D.

Location Address2328 KNOB CREEK RD, SUITE 506Johnson City, TN 37604-2100

Mailing Address2328 Knob Creek Rd, Suite 506Johnson City, TN 37604-2100 · (423) 722-1311 · Fax (423) 926-0529

Phone(423) 722-1311

Fax(423) 926-0529

Sole ProprietorYes

Medical School CMSSouthern College Of OptometryGraduated 1981

Enumeration DateMay 25, 2006

Last NPPES UpdateNovember 23, 2015

✔ NPI 1871549691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in TN · 827

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

2328 KNOB CREEK RD, Johnson City, TN 37604

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Other Identifiers 4

Medicare UPINU20270TN

Medicare PIN3596084TN

Other48046TN · Blue Cross Blue Shield

Other3596084TN · Dmerc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Scott Gentry O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820066723

PECOS Enrollment IDI20111212000363

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

294 services188 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

237 services163 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

153 services126 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

100 services69 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

44 services31 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

40 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$66.01 typical visit price

range $16.72 – $131.41

Typical copayment $16.50 (range $4.18 – $32.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THE REEVES EYE INSTITUTE

Ophthalmology

2328 KNOB CREEK RD, SUITE 506
JOHNSON CITY, TN 37604

Washington County (423) 722-1311

REEVES EYE SURGERY CENTER LLC

Clinic/Center (Ambulatory Surgical)

2328 KNOB CREEK RD, SUITE 500
JOHNSON CITY, TN 37604

Washington County (423) 722-1310

BRIGHT NIGHT ANESTHESIA

Nurse Anesthetist, Certified Registered

2328 KNOB CREEK RD
JOHNSON CITY, TN 37604

Washington County (423) 639-0941

DONNY L REEVES MD

Ophthalmology

2328 KNOB CREEK RD, SUITE 506
JOHNSON CITY, TN 37604

Washington County (423) 722-1311

CASEY MAE BATES FNP

Nurse Practitioner (Family)

2328 KNOB CREEK RD
JOHNSON CITY, TN 37604

Washington County (423) 722-1311

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Gentry's NPI number?

The NPI number for John Gentry is 1871549691. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is John Gentry located?

John Gentry practices at 2328 Knob Creek Rd Suite 506, Johnson City, TN 37604. The listed phone number is (423) 722-1311.

What is John Gentry's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is John Gentry enrolled in Medicare?

Yes. John Gentry is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Gentry accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list John Gentry as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Gentry was last updated on November 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.