NPPES file of Aug 9, 2026

Nathalie Christine De Guzman, FNP-BC, FNP-C

Dermatology Physician · Panorama City, CA

Nathalie Christine De Guzman, FNP-BC, FNP-C is a dermatology physician with a practice address in Panorama City, California, and NPI 1538911326, issued on Apr 4, 2024. Check the license (California 95029806, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538911326
Name
Nathalie Christine De Guzman
Credential
FNP-BC, FNP-C
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
95029806 CA
846718 CA
Self-reported in NPPES; status is on the state search
Practice location
8001 Ventura Canyon Ave, Panorama City, CA 91402
Phone
(818) 375-2000
Enumerated
Apr 4, 2024
Record last updated
Aug 4, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8001 Ventura Canyon Ave

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

  1. Myrna Aboudiab, MDPediatrics Physician1831776806
  2. Sandra Bonilla, LCSWClinical Social Worker1457531626
  3. Erica Chen, M.D.Allergy & Immunology Physician1386089068
  4. Madeleine CollasPharmacist1790222446

Verify Nathalie Christine De Guzman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 95029806
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average dermatology physician in 2024

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

  1. Nathalie De Guzman128
  2. Specialty average797

Most prescribed

  1. Levothyroxine Sodium15 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.

Industry payments in 2024: $408.52

8 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathalie De Guzman$408.52
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nathalie Christine De Guzman among 2,083 dermatology physician records in California

Nathalie Christine De Guzman, FNP-BC, FNP-C 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 2024, is newer than over 99% of them.

  • NPI issued2024 · over 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2026 · 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. Jennifer Ang, M.D.Panorama City, CA 914021942592266
  2. Kesara Borirakchanyavat, MDPanorama City, CA 914021962580506
  3. Brian Brosnan, MDPanorama City, CA 914021932299039
  4. Jonathan Carp, MDPanorama City, CA 914021922156843
  5. Howard Fletcher, MDPanorama City, CA 914021619902087
  6. Nancy Jasso, MDPanorama City, CA 914021740357631
  7. Nandan Kamath, MDPanorama City, CA 914021922105634
  8. Adam ReesPanorama City, CA 914021568782100

Common questions

What is Nathalie Christine De Guzman, FNP-BC, FNP-C's NPI number?

Nathalie Christine De Guzman, FNP-BC, FNP-C's National Provider Identifier (NPI) is 1538911326, issued on Apr 4, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Nathalie Christine De Guzman, FNP-BC, FNP-C located?

The NPPES record lists a practice address at 8001 Ventura Canyon Ave, Panorama City, CA, 91402. Phone: (818) 375-2000. Providers update this record themselves, so call before visiting.

How can I verify Nathalie Christine De Guzman, FNP-BC, FNP-C's license?

NPPES lists California license number 95029806, 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 Nathalie Christine De Guzman, FNP-BC, FNP-C prescribe under Medicare Part D?

In 2024, Nathalie Christine De Guzman, FNP-BC, FNP-C had 128 Medicare Part D claims; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

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.