DR. GREG WINSTON ZHANG MD, MS - NPI 1366173296 - Preventive Medicine in Denison, TX

Q: What is Greg Zhang's NPI number?

The NPI number for Greg Zhang is 1366173296. It was assigned to this individual provider in the NPPES registry on June 21, 2022.

Q: What is Greg Zhang's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Q: When was this NPI record last updated?

The NPPES record for Greg Zhang was last updated on July 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.

On this page

About Dr. Greg Winston Zhang Md, Ms NPPES

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

DR. GREG WINSTON ZHANG MD, MS (NPI 1366173296) is an individual undersea and hyperbaric medicine provider in Denison, Texas, licensed in Texas (V8086) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Galveston, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1366173296

Entity TypeIndividualMale

Primary Taxonomy2083P0011X

Provider Legal NameDR. GREG WINSTON ZHANGCredential: MD, MS

Location Address4616 N HWY 75, SUITE 190Denison, TX 75020

Mailing Address4616 N. Highway 75, Ste 190Denison, TX 75020 · (903) 698-6015 · Fax (903) 708-6488

Phone(903) 698-6015

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJune 21, 2022

Last NPPES UpdateJuly 4, 2026

NPPES CertifiedJuly 4, 2026

✔ NPI 1366173296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0011X

License✔ Licensed in TX · V8086

Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License V8086 (TX)

4616 N HWY 75, Denison, TX 75020

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Secondary Practice Location 1

Location 1301 University BlvdGalveston, TX 77555-5302 · Phone (832) 632-7396

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. Greg Winston Zhang Md, Ms 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 ID2668976879

PECOS Enrollment IDI20250919002717

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75020 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

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

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 Greg Zhang's NPI number?

The NPI number for Greg Zhang is 1366173296. It was assigned to this individual provider in the NPPES registry on June 21, 2022.

Where is Greg Zhang located?

Greg Zhang practices at 4616 N Hwy 75 Suite 190, Denison, TX 75020. The listed phone number is (903) 698-6015.

What is Greg Zhang's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Is Greg Zhang enrolled in Medicare?

Yes. Greg Zhang 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.

When was this NPI record last updated?

The NPPES record for Greg Zhang was last updated on July 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.