KARIN I. HARP M.D., INC.
NPI 1720328263
Dermatology in Westlake Village, CA

Active since February 20, 2013
32144 AGOURA ROAD, SUITE 112, WESTLAKE VILLAGE, CA 91361(818) 889-2739(818) 889-2747 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karin I. Harp M.d., Inc. NPPES

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

KARIN I. HARP M.D., INC. (NPI 1720328263), doing business as Apex Dermatology, is a healthcare organization registered as a dermatology in Westlake Village, California and active in the NPI registry since February 2013. The organization lists Karin Ila Harp, President, as its authorized official.

NPPES Registry Identity

NPI1720328263
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameKARIN I. HARP M.D., INC.
Location Address32144 AGOURA ROAD, SUITE 112Westlake Village, CA 91361-4043
Mailing Address4216 Beaucroft CtWestlake Village, CA 91361-4101 · (818) 661-8209 · Fax (818) 889-2747
Fax(818) 889-2747
Organization SubpartNo
Authorized OfficialKarin Ila HarpPresident · (818) 661-8209
Enumeration DateFebruary 20, 2013
Last NPPES UpdateJune 3, 2025
NPPES CertifiedJune 3, 2025
✔ NPI 1720328263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · A107627
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.
32144 AGOURA ROAD, Westlake Village, CA 91361

Other Names 1

Doing Business AsApex Dermatology

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)

Karin I. Harp M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Karin I. Harp M.D., Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Nurse Practitioner
NPI 1396198479
32144 AGOURA RD STE 112
Westlake Village, CA 91361
(818) 208-1264
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1245815778
32144 AGOURA RD STE 112
Westlake Village, CA 91361
(818) 889-2739
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1518923374
32144 AGOURA RD SUITE 112
Westlake Village, CA 91361
(818) 889-2739
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1265054340
435 N BEDFORD DR STE 402
Beverly Hills, CA 90210
(424) 313-4794
✔ PECOS✔ Accepts Medicare24 mi
Dermatology
NPI 1710366760
1300 N MISSION RD
Los Angeles, CA 90033
(323) 409-1000
✔ PECOS✔ Accepts Medicare35 mi
Dermatology
NPI 1740574169
2924 SISKIYOU BLVD STE 200
Medford, OR 97504
(541) 200-2777
✔ PECOS✔ Accepts Medicare604 mi
Dermatology
NPI 1528449519
50 STANIFORD ST
Boston, MA 02114
(617) 726-2914
✔ PECOS✔ Accepts Medicare2,623 mi

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

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 Karin I. Harp M.D., Inc.'s NPI number?

The NPI number for Karin I. Harp M.D., Inc. is 1720328263. It was assigned to this organization in the NPPES registry on February 20, 2013. The provider is doing business as Apex Dermatology.

Where is Karin I. Harp M.D., Inc. located?

Karin I. Harp M.D., Inc. is located at 32144 Agoura Road Suite 112, Westlake Village, CA 91361. The listed phone number is (818) 889-2739.

What is Karin I. Harp M.D., Inc.'s specialty?

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

Is Karin I. Harp M.D., Inc. enrolled in Medicare?

Yes. Karin I. Harp M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Karin I. Harp M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Karin I. Harp 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. The largest specialties are Dermatology (6) and Nurse Practitioner (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Karin I. Harp M.D., Inc. was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.