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GERARD NAT, M.D., INC.
NPI 1477986628
Dermatology in Downey, CA

Active since August 12, 2013CLIA 05D0864575 · Certificate of Compliance
10800 PARAMOUNT BLVD, SUITE 301, DOWNEY, CA 90241(562) 904-6116(562) 904-4616 Get Directions Write a Review

NPPES record last updated: August 12, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gerard Nat, M.d., Inc. NPPES

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

GERARD NAT, M.D., INC. (NPI 1477986628) is a healthcare organization registered as a dermatology in Downey, California and active in the NPI registry since August 2013. The organization holds a CLIA Certificate of Compliance certificate valid through August 2, 2027 and lists Gerard Nat, President, as its authorized official.

NPPES Registry Identity

NPI1477986628
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameGERARD NAT, M.D., INC.
Location Address10800 PARAMOUNT BLVD, SUITE 301Downey, CA 90241-3331
Mailing Address10800 Paramount Blvd, Suite 301Downey, CA 90241-3331 · (562) 904-6116 · Fax (562) 904-4616
Phone(562) 904-6116
Fax(562) 904-4616
Organization SubpartNo
Authorized OfficialGerard NatPresident · (562) 904-6116
Enumeration DateAugust 12, 2013
✔ NPI 1477986628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · G58203
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
10800 PARAMOUNT BLVD, Downey, CA 90241
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Gerard Nat, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gerard Nat, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Gerard Nat, M.D.
Dermatology
NPI 1912007956
10800 PARAMOUNT BLVD SUITE 301
Downey, CA 90241
(562) 904-6116
✔ PECOS✔ Accepts MedicareSame address

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 Compliance 05D0864575

Gerard Nat MD · Downey, CA
Active · expires Aug 2, 2027
CLIA Number05D0864575
Laboratory TypePhysician Office
Certificate Effective DateAugust 3, 2025
Certificate Expiration DateAugust 2, 2027
Laboratory DirectorGerard Nat
Laboratory Phone(562) 904-6116
Laboratory LocationGerard Nat MD10800 S Paramount Blvd, Ste 301, Downey, CA 90241
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Gerard Nat, M.D., Inc.'s NPI number?

The NPI number for Gerard Nat, M.D., Inc. is 1477986628. It was assigned to this organization in the NPPES registry on August 12, 2013.

Where is Gerard Nat, M.D., Inc. located?

Gerard Nat, M.D., Inc. is located at 10800 Paramount Blvd Suite 301, Downey, CA 90241. The listed phone number is (562) 904-6116.

What is Gerard Nat, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Gerard Nat, M.D., Inc. enrolled in Medicare?

Yes. Gerard Nat, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gerard Nat, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Gerard Nat, M.D., 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gerard Nat, M.D., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D0864575) is associated with this NPI, valid through August 2, 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 Gerard Nat, M.D., Inc. was last updated on August 12, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.