LEO W MACK JR. M.D.
NPI 1669443370
Ophthalmology in Tyler, TX

Q: What is Leo Mack's NPI number?

The NPI number for Leo Mack is 1669443370. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Q: What is Leo Mack's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Leo Mack was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 January 30, 2006PECOS EnrolledAccepts Medicare Assignment

5791 NEW COPELAND RD, TYLER, TX 75703(903) 630-7007(903) 630-7072 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 9, 2025, Apr 25, 2022, Apr 30, 2021 and 1 more (4 updates tracked since 2020).

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About Leo W Mack Jr. M.d. NPPES

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

LEO W MACK JR. M.D. (NPI 1669443370) is an individual ophthalmology provider in Tyler, Texas, licensed in Texas (E4001) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1969).

NPPES Registry Identity

NPI1669443370

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameLEO W MACK JR.Credential: M.D.

Location Address5791 NEW COPELAND RDTyler, TX 75703-3905

Mailing Address5791 New Copeland RdTyler, TX 75703-3905 · (903) 630-7007 · Fax (903) 630-7072

Phone(903) 630-7007

Fax(903) 630-7072

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1969

Enumeration DateJanuary 30, 2006

Last NPPES UpdateDecember 9, 20254 updates tracked since enumeration

NPPES CertifiedDecember 9, 2025

✔ NPI 1669443370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in TX · E4001

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

5791 NEW COPELAND RD, Tyler, TX 75703

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Other Identifiers 1

Medicaid135428409TX

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

Leo W Mack Jr. M.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 ID7214071612

PECOS Enrollment IDI20100223000888

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 2

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.

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

28 services24 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75703 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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

BRYAN E FRAZIER O.D.

Optometrist