Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

PREFERRED DERMATOLOGY PHYSICIAN ASSISTANT CORPORATION
NPI 1639088594
Physician Assistant - Medical in Lakeport, CA

Q: What is Preferred Dermatology Physician Assistant Corporation's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Active since September 04, 2026

475 N FORBES ST STE B, LAKEPORT, CA 95453(707) 606-6366 Get Directions Write a Review

NPPES record added: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Preferred Dermatology Physician Assistant Corporation NPPES

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

PREFERRED DERMATOLOGY PHYSICIAN ASSISTANT CORPORATION (NPI 1639088594) is a healthcare organization registered as a medical in Lakeport, California and active in the NPI registry since September 2026. The organization lists Greg Hadfield, President, as its authorized official.

NPPES Registry Identity

NPI1639088594

Entity TypeOrganization

Primary Taxonomy363AM0700X

Legal Business NamePREFERRED DERMATOLOGY PHYSICIAN ASSISTANT CORPORATION

Location Address475 N FORBES ST STE BLakeport, CA 95453-4725

Mailing Address475 N Forbes St Ste BLakeport, CA 95453-4725 · (707) 606-6366

Phone(707) 606-6366

Organization SubpartNo

Authorized OfficialGreg HadfieldPresident · (707) 606-6636

Enumeration DateSeptember 4, 2026

NPPES CertifiedSeptember 4, 2026

✔ NPI 1639088594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

475 N FORBES ST STE B, Lakeport, CA 95453

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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

Other Providers at the Same Location NPPES

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

MR. GREGORY SEAN HADFIELD PA-C

Physician Assistant (Medical)

475 N FORBES ST STE B
LAKEPORT, CA 95453

Lake County (707) 606-6366

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 Preferred Dermatology Physician Assistant Corporation's NPI number?

The NPI number for Preferred Dermatology Physician Assistant Corporation is 1639088594. It was assigned to this organization in the NPPES registry on September 4, 2026.

Where is Preferred Dermatology Physician Assistant Corporation located?

Preferred Dermatology Physician Assistant Corporation is located at 475 N Forbes St Ste B, Lakeport, CA 95453. The listed phone number is (707) 606-6366.

What is Preferred Dermatology Physician Assistant Corporation's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Preferred Dermatology Physician Assistant Corporation was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.