CLAYTON T HINSHAW MD
NPI 1326043456
Dermatology - Procedural Dermatology in Simi Valley, CA

Q: What is Clayton Hinshaw's NPI number?

The NPI number for Clayton Hinshaw is 1326043456. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Q: What is Clayton Hinshaw's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Procedural Dermatology, with taxonomy code 207NS0135X.

Q: When was this NPI record last updated?

The NPPES record for Clayton Hinshaw was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since June 15, 2005PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

2925 SYCAMORE DR STE 204, SIMI VALLEY, CA 93065(805) 409-9199(805) 416-0116 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2025, Sep 11, 2025 (2 updates tracked since 2025).

On this page

About Clayton T Hinshaw Md NPPES

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

CLAYTON T HINSHAW MD (NPI 1326043456) is an individual procedural dermatology provider in Simi Valley, California, licensed in California (A055224) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1994).

NPPES Registry Identity

NPI1326043456

Entity TypeIndividualMale

Primary Taxonomy207NS0135X

Provider Legal NameCLAYTON T HINSHAWCredential: MD

Location Address2925 SYCAMORE DR STE 204Simi Valley, CA 93065-1208

Mailing Address2925 Sycamore Dr Ste 204Simi Valley, CA 93065-1208 · (805) 409-9199 · Fax (805) 416-0116

Phone(805) 409-9199

Fax(805) 416-0116

Sole ProprietorYes

Medical School CMSGeorge Washington University School Of MedicineGraduated 1994

Enumeration DateJune 15, 2005

Last NPPES UpdateNovember 12, 20252 updates tracked since enumeration

NPPES CertifiedNovember 12, 2025

✔ NPI 1326043456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · Procedural DermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207NS0135X

License✔ Licensed in CA · A055224

Definition

Procedural Dermatology, a subspecialty of Dermatology, encompassing a wide variety of surgical procedures and methods to remove or modify skin tissue for health or cosmetic benefit. These methods include scalpel surgery, laser surgery, chemical surgery, cryosurgery (liquid nitrogen), electrosurgery, aspiration surgery, liposuction, injection of filler substances, and Mohs micrographic controlled surgery (a special technique for the removal of growths, especially skin cancers).

Also ListedDermatologyTaxonomy 207N00000X · License A055224 (CA)

2925 SYCAMORE DR STE 204, Simi Valley, CA 93065

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Clayton T Hinshaw Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103959127

PECOS Enrollment IDI20100728000282

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Clayton Hinshaw reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clayton Hinshaw M.D., Inc

Same address

Dermatology

2925 SYCAMORE DR STE 204
Simi Valley, CA 93065

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Clayton Hinshaw MD Inc

NPI 1033988274 (310) 890-5883

Simi Dermatologic Medical Center, Inc

Same address

Dermatology

2925 SYCAMORE DR, STE 203
Simi Valley, CA 93065

Reassigned Medicare billing, California enrollment
3 clinicians in this Medicare group

NPI 1144225269 (805) 527-6586

Daphne I Panagotacos MD

11 mi

Dermatopathology

32144 AGOURA RD, SUITE 106
Westlake Village, CA 91361

Reassigned Medicare billing, California enrollment
5 clinicians in this Medicare group

NPI 1295999274 (805) 379-3376

Valley Dermatologic Medical Group, Inc

15 mi

Dermatology

18364 CLARK ST
Tarzana, CA 91356

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1699770719 (881) 345-7122

Provider Profile

132 mi

Dermatology

15525 POMERADO RD, SUITE D2
Poway, CA 92064

Reassigned Medicare billing, California enrollment
5 clinicians in this Medicare group

NPI 1831182971 (858) 675-8001

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

Areas of Expertise CMS Part B claims 24

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

2,947 services390 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

1,364 services700 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

812 services475 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

741 services318 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

447 services309 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

195 services163 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

164 services95 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

121 services90 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

110 services38 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

73 services59 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

68 services53 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

55 services55 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

45 services33 patients

Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm 11642

This procedure involves the surgical removal of a cancerous skin growth on the face, ears, eyelids, nose, lips, or mouth. The growth is between 1.1-2.0 cm in size. This is done to prevent the cancer from spreading and to restore health.

42 services37 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 12052

This procedure involves repairing a wound on the face, ears, eyelids, nose, lips, or mouth that measures between 2.6-5.0 cm. The process includes cleaning, suturing if necessary, and dressing the wound to promote healing and prevent infection.

34 services31 patients

Removal of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 11622

This procedure involves the careful removal of a cancerous skin growth measuring between 1.1 to 2.0 cm, located on the scalp, neck, hands, or feet. The goal is to eliminate the cancer and prevent its spread. This is done under local anesthesia to minimize discomfort.

31 services24 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

28 services25 patients

Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 11603

This procedure involves the removal of a cancerous skin growth, between 2.1 and 3.0 cm, from the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The goal is to eliminate all cancer cells while minimizing scarring.

27 services25 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

23 services17 patients

Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm 11641

This procedure involves the careful removal of a small cancerous growth on the face, ears, eyelids, nose, lips, or mouth. It's a precise operation performed by a specialist to ensure complete removal of the cancer while preserving healthy tissue.

17 services17 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

14 services14 patients

Intermediate repair of wound of neck, hands, feet, or genitals, 2.6-7.5 cm 12042

This is a procedure to mend a moderate wound between 2.6-7.5 cm on your neck, hands, or feet. It involves cleaning the wound, removing any damaged tissue, and stitching it back together to promote healing and minimize scarring.

14 services13 patients

Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less 12051

This procedure involves repairing a wound on your face, ears, eyelids, nose, lips, or mouth. The wound is 2.5 cm or less in size. The repair process includes cleaning, treating, and stitching the wound to promote optimal healing. It's a standard, safe procedure.

14 services13 patients

All potassium hydroxide (koh) preparations Q0112

Potassium hydroxide (KOH) preparations are used in medical testing to identify fungal infections. In this procedure, a sample (like skin, hair, or nail) is collected and treated with KOH solution. This destroys non-fungal cells, making it easier to spot fungi under a microscope.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$95.28 typical visit price

range $62.32 – $185.36

Typical copayment $23.82 (range $15.58 – $46.34)

Most-billed visit code 99203

Established Patient

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 2

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

CLAYTON HINSHAW M.D., INC

Dermatology

2925 SYCAMORE DR STE 204
SIMI VALLEY, CA 93065

Ventura County (310) 890-5883

EMELIA PEREZ M.D.

Family Medicine

2925 SYCAMORE DR STE 204
SIMI VALLEY, CA 93065

Ventura County (058) 578-9620

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 Clayton Hinshaw's NPI number?

The NPI number for Clayton Hinshaw is 1326043456. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Clayton Hinshaw located?

Clayton Hinshaw practices at 2925 Sycamore Dr Ste 204, Simi Valley, CA 93065. The listed phone number is (805) 409-9199.

What is Clayton Hinshaw's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Procedural Dermatology, with taxonomy code 207NS0135X.

Is Clayton Hinshaw enrolled in Medicare?

Yes. Clayton Hinshaw is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Clayton Hinshaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Hinshaw reassigns Medicare benefits to 5 organizations: Clayton Hinshaw M.D., Inc (Simi Valley, CA), Simi Dermatologic Medical Center, Inc (Simi Valley, CA), Daphne I Panagotacos MD (Westlake Village, CA), Valley Dermatologic Medical Group, Inc (Tarzana, CA) and (Poway, CA). Each 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 Clayton Hinshaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Clayton Hinshaw was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.