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SIMI DERMATOLOGIC MEDICAL CENTER, INC
NPI 1144225269
Dermatology in Simi Valley, CA

Active since June 15, 2005CLIA 05D0584267 · Microscopy
2925 SYCAMORE DR, STE 203, SIMI VALLEY, CA 93065(805) 527-6586(805) 527-9421 Get Directions Write a Review

NPPES record last updated: September 30, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Simi Dermatologic Medical Center, Inc NPPES

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

SIMI DERMATOLOGIC MEDICAL CENTER, INC (NPI 1144225269) is a healthcare organization registered as a dermatology in Simi Valley, California and active in the NPI registry since June 2005. The organization holds a CLIA Microscopy certificate valid through March 15, 2027 and lists Charles E Linden, President, as its authorized official.

NPPES Registry Identity

NPI1144225269
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameSIMI DERMATOLOGIC MEDICAL CENTER, INC
Location Address2925 SYCAMORE DR, STE 203Simi Valley, CA 93065-1208
Mailing Address2925 Sycamore Dr, Ste 203Simi Valley, CA 93065-1208 · (805) 527-6586 · Fax (805) 527-9421
Phone(805) 527-6586
Fax(805) 527-9421
Organization SubpartNo
Authorized OfficialCharles E LindenPresident · (805) 527-6586
Enumeration DateJune 15, 2005
Last NPPES UpdateSeptember 30, 2010
✔ NPI 1144225269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · G42744
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.
2925 SYCAMORE DR, Simi Valley, CA 93065
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Other Identifiers 1

Medicare PINW10924CA

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)

Simi Dermatologic Medical Center, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Simi Dermatologic Medical Center, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Clayton Hinshaw, MD
Dermatology
NPI 1326043456
2925 SYCAMORE DR STE 204
Simi Valley, CA 93065
(805) 409-9199
✔ PECOS✔ Accepts MedicareSame address
Ada Winkielman, MD
Dermatology
NPI 1992798870
18364 CLARK ST
Tarzana, CA 91356
(818) 345-7122
✔ PECOS✔ Accepts Medicare15 mi
Charles Linden, MD
Dermatology
NPI 1508861634
18364 CLARK ST
Tarzana, CA 91356
(818) 345-7122
✔ PECOS✔ Accepts Medicare15 mi

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 for Provider-Performed Microscopy Procedures (PPMP) 05D0584267

Simi Dermatologic Medical Center · Simi Valley, CA
Active · expires Mar 15, 2027
CLIA Number05D0584267
Laboratory TypePhysician Office
Certificate Effective DateMarch 16, 2025
Certificate Expiration DateMarch 15, 2027
Laboratory DirectorCharles E. Linden MD
Laboratory Phone(805) 527-6587
Laboratory LocationSimi Dermatologic Medical Center2925 Sycamore Dr Ste 203, Simi Valley, CA 93065
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Simi Dermatologic Medical Center, Inc's NPI number?

The NPI number for Simi Dermatologic Medical Center, Inc is 1144225269. It was assigned to this organization in the NPPES registry on June 15, 2005.

Where is Simi Dermatologic Medical Center, Inc located?

Simi Dermatologic Medical Center, Inc is located at 2925 Sycamore Dr Ste 203, Simi Valley, CA 93065. The listed phone number is (805) 527-6586.

What is Simi Dermatologic Medical Center, Inc's specialty?

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

Is Simi Dermatologic Medical Center, Inc enrolled in Medicare?

Yes. Simi Dermatologic Medical Center, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Simi Dermatologic Medical Center, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Dermatology, reassign their Medicare billing to Simi Dermatologic Medical Center, 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Simi Dermatologic Medical Center, Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0584267) is associated with this NPI, valid through March 15, 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 Simi Dermatologic Medical Center, Inc was last updated on September 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.