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MARTIN R ZAPATA DO INC
NPI 1194924498
Internal Medicine in Norwalk, CA

Active since July 16, 2007CLIA 05D2032638 · Waiver
11865 FIRESTONE BLVD, NORWALK, CA 90650(562) 806-1214(562) 806-1218 Get Directions Write a Review

NPPES record last updated: December 28, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 28, 2020, Apr 1, 2019 (2 updates tracked since 2019).

About Martin R Zapata Do Inc NPPES

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

MARTIN R ZAPATA DO INC (NPI 1194924498) is a healthcare organization registered as an internal medicine in Norwalk, California and active in the NPI registry since July 2007. The organization holds a CLIA Waiver certificate valid through November 9, 2027 and lists Martin R Zapata, Director, as its authorized official.

NPPES Registry Identity

NPI1194924498
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARTIN R ZAPATA DO INC
Location Address11865 FIRESTONE BLVDNorwalk, CA 90650-2902
Mailing Address11865 Firestone BlvdNorwalk, CA 90650-2902 · (562) 806-1214 · Fax (562) 806-1218
Phone(562) 806-1214
Fax(562) 806-1218
Organization SubpartNo
Authorized OfficialMartin R ZapataDirector · (626) 890-5915
Enumeration DateJuly 16, 2007
Last NPPES UpdateDecember 28, 20202 updates tracked since enumeration
NPPES CertifiedDecember 28, 2020
✔ NPI 1194924498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A8058
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
11865 FIRESTONE BLVD, Norwalk, CA 90650
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Other Identifiers 1

Other020A80580CA · Blue Cross Blue Shield

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Martin R Zapata Do Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Martin R Zapata Do Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Christine Mac, NP
Nurse Practitioner
NPI 1104363720
11865 FIRESTONE BLVD
Norwalk, CA 90650
(562) 806-1214
✔ PECOSSame address
Martin Zapata, D.O
Internal Medicine
NPI 1689628240
11865 FIRESTONE BLVD
Norwalk, CA 90650
(562) 806-1214
✔ PECOS✔ Accepts MedicareSame address
Brenda Gomez, DNP
Nurse Practitioner
NPI 1922780667
5101 FLORENCE AVE STE 7
Bell, CA 90201
(323) 562-1217
✔ PECOS6.8 mi
Aimee Cardenas, NP
Nurse Practitioner
NPI 1669712253
880 S ATLANTIC BLVD STE 302
Monterey Park, CA 91754
(626) 281-8835
✔ PECOS✔ Accepts Medicare10 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2032638

Martin R Zapata, Do Inc · Norwalk, CA
Active · expires Nov 9, 2027
CLIA Number05D2032638
Laboratory TypePhysician Office
Certificate Effective DateNovember 10, 2025
Certificate Expiration DateNovember 9, 2027
Laboratory DirectorMartin R. Zapata
Laboratory Phone(562) 806-1214
Laboratory LocationMartin R Zapata, Do Inc11865 Firestone Blvd, Norwalk, CA 90650
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Martin R Zapata Do Inc's NPI number?

The NPI number for Martin R Zapata Do Inc is 1194924498. It was assigned to this organization in the NPPES registry on July 16, 2007.

Where is Martin R Zapata Do Inc located?

Martin R Zapata Do Inc is located at 11865 Firestone Blvd, Norwalk, CA 90650. The listed phone number is (562) 806-1214.

What is Martin R Zapata Do Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Martin R Zapata Do Inc enrolled in Medicare?

Yes. Martin R Zapata Do Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Martin R Zapata Do Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Martin R Zapata Do Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Internal Medicine (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Martin R Zapata Do Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2032638) is associated with this NPI, valid through November 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Martin R Zapata Do Inc was last updated on December 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.