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MARGARET ZAK M.D.
NPI 1952463572
Family Medicine in Grapevine, TX

Active since December 14, 2006Opted out of Medicare · through Jul 1, 2028
220 N PARK BLVD STE 114, GRAPEVINE, TX 76051(682) 800-4008(682) 342-9090 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: May 18, 2026, Apr 2, 2019, Dec 12, 2016 (3 updates tracked since 2016).

About Margaret Zak M.d. NPPES

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

MARGARET ZAK M.D. (NPI 1952463572) is an individual family medicine provider in Grapevine, Texas, licensed in Texas (M5005) and active in the NPI registry since December 2006. She has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1952463572
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARGARET ZAKCredential: M.D.
Location Address220 N PARK BLVD STE 114Grapevine, TX 76051-6900
Mailing AddressPo Box 843Grapevine, TX 76099-0843 · (940) 337-3318 · Fax (682) 342-9090
Phone(682) 800-4008
Fax(682) 342-9090
Sole ProprietorYes
Enumeration DateDecember 14, 2006
Last NPPES UpdateMay 18, 20263 updates tracked since enumeration
NPPES CertifiedMay 18, 2026
✔ NPI 1952463572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · M5005
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
220 N PARK BLVD STE 114, Grapevine, TX 76051
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Other Identifiers 4

Medicaid185920901TX
Medicaid185920902TX
Medicaid185920903TX
OtherP00394469TX · Railroad Medicare Pin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Margaret Zak M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2020 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2020
Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76051 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
$87.20 typical visit price
range $56.47 – $171.07
Typical copayment $21.80 (range $14.11 – $42.76)
Most-billed visit code 99203
Established Patient
$99.68 typical visit price
range $18.18 – $139.68
Typical copayment $24.92 (range $4.54 – $34.92)
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.

Other Providers at the Same Location NPPES 3

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

TIFFANY MARIE WOODS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
220 N PARK BLVD STE 114
GRAPEVINE, TX 76051
Tarrant County (817) 488-7771
ZAKDPC PLLC
Clinic/Center (Primary Care)
220 N PARK BLVD STE 114
GRAPEVINE, TX 76051
Tarrant County (682) 800-4008
TRIUMPH PSYCHIATRY CONSULTANTS PLLC
Nurse Practitioner (Family)
220 N PARK BLVD STE 114
GRAPEVINE, TX 76051
Tarrant County (469) 569-8665

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 Margaret Zak's NPI number?

The NPI number for Margaret Zak is 1952463572. It was assigned to this individual provider in the NPPES registry on December 14, 2006.

Where is Margaret Zak located?

Margaret Zak practices at 220 N Park Blvd Ste 114, Grapevine, TX 76051. The listed phone number is (682) 800-4008.

What is Margaret Zak's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Margaret Zak enrolled in Medicare?

No. Margaret Zak has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Margaret Zak accept?

Health plans from Blue Cross and Blue Shield of Texas list Margaret Zak 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 Margaret Zak was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.