NPPES file of Aug 9, 2026

Gerard Nat, M.D.

Dermatology Physician · Downey, CA

Gerard Nat, M.D. is a dermatology physician with a practice address in Downey, California, and NPI 1912007956, issued on Sep 22, 2006. Check the license (California G58203, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912007956
Name
Gerard Nat
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
G58203 CA
G058203 CA
Self-reported in NPPES; status is on the state search
Practice location
10800 Paramount Blvd, Downey, CA 90241
Phone
(562) 904-6116
Enumerated
Sep 22, 2006
Record last updated
Jan 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(562) 904-4616
Medicare enrollment
Enrolled (PECOS I20101111000343); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10800 Paramount Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Adriatico, M.D.Internal Medicine Physician1194913608
  2. Daphne Allison, AMFTMarriage & Family Therapist1265390652
  3. Domingo Barrientos, M.D.Internal Medicine Physician1184685281
  4. Neal Brown, DDSDentist1619295862
  5. Thomas Choi, M.D.Ophthalmology Physician1477555985
  6. Emma McCulloughMarriage & Family Therapist1609481035

Verify Gerard Nat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G58203
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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64% fewer Medicare Part D claims than the average dermatology physician in 2024

284 Medicare Part D claims for 88 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Gerard Nat284
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide136 claims
  2. Doxycycline Hyclate20 claims
  3. Fluocinonide20 claims
  4. Cephalexin18 claims
  5. Fluocinolone Acetonide17 claims
  6. Mupirocin13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Gerard Nat among 2,083 dermatology physician records in California

Gerard Nat, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1985 · median 2006 among the 1,450 with a school on file
  • Record last updated2015 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. David Arnold, DODowney, CA 902411003311051
  2. Douglas Blose, M.D.Downey, CA 902411306816657
  3. Richard Winkelmann, D.O.Downey, CA 902411720427024
  4. Evelyn Cheung, MDDowney, CA 902421164797312
  5. Harrison Lee, MDDowney, CA 902421376093997
  6. Kim Quach, MDDowney, CA 902421518287895
  7. Jennifer Sri, M.D.Downey, CA 902421962604850
  8. Karan Kortlander, N.P.El Segundo, CA 902451174163703

Common questions

What is Gerard Nat, M.D.'s NPI number?

Gerard Nat, M.D.'s National Provider Identifier (NPI) is 1912007956, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gerard Nat, M.D. located?

The NPPES record lists a practice address at 10800 Paramount Blvd, Downey, CA, 90241. Phone: (562) 904-6116. Providers update this record themselves, so call before visiting.

How can I verify Gerard Nat, M.D.'s license?

NPPES lists California license number G58203, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gerard Nat, M.D. prescribe under Medicare Part D?

In 2024, Gerard Nat, M.D. had 284 Medicare Part D claims for 88 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Gerard Nat, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.