THERESA M ZAKER (OD) – Optometrist, NPI 1518164664

THERESA M ZAKER (OD) is a healthcare provider. based in San antonio, Texas. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 046.009965 (IL). The NPI Number for THERESA M ZAKER (OD) is 1518164664

Main info

Female
19 Years Of Experience
Accepts Medicare Assignment
Name
THERESA M ZAKER (OD)
NPI
1518164664
Phone
(210) 524-6663
Address
11103 WEST AVE
Enumeration Date
2 July 2007
Last Update Date
26 May 2011

Doctor Profile

Medical School Name
ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Secondary Phone
7082372020
Graduation Year
2007 (19 years ago)
PAC ID
8426141920
Group Practice PAC ID
6800088568
Professional Enrollment ID
I20070829000372
Address ID
IL604572238HI9602XRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:18State licenses:1Digital endpointsOther names

1,715 OPTOMETRY in IL

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Provider Addresses for THERESA M ZAKER (OD)

  • West Avenue, The Bronx, Bronx County, New York, 10462, United States

    STE. 6

    SAN ANTONIO, TX 782131370

    Phone: (210) 524-6663

    Fax: (210) 524-6587

    Type: Mailing

  • 656, Orland Square Drive, Orland Square Mall, Orland Park, Orland Township, Cook County, Illinois, 60462, United States

    ORLAND PARK, IL 604623219

    Phone: (708) 364-0592

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $44.

Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.

Last reported payment date: 2023-03-15 • Largest payer in this snapshot: ABB Con-Cise Optical Group LLC ($44).

Total Amount

$44

General + Research + Ownership

Payments

1

Total payment records

General Amount

$44

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-03-15

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-08-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070829000372IOptometryILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 78213)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6800088568View full group profile
NameSpecialtyState
O P T O M E T R YIL

Reviews

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Frequently asked questions

How do payers reference THERESA M ZAKER (OD)?
For THERESA M ZAKER (OD), use NPI 1518164664 as the unique 10-digit identifier.
Would THERESA M ZAKER (OD) appear as active to a payer?
You can treat THERESA M ZAKER (OD) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe THERESA M ZAKER (OD)'s focus?
For THERESA M ZAKER (OD), the primary taxonomy reads as Optometrist. Clinical services aligned with this taxonomy classification.
What locale is associated with THERESA M ZAKER (OD)?
Directory geography for THERESA M ZAKER (OD) centers on San Antonio, Texas.
Can I trust this NPI listing for THERESA M ZAKER (OD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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