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DR. JOY M TWERSKY M.D.
NPI 1699888156
Dermatology in Woodland Hills, CA

Active since August 17, 2006PECOS EnrolledAccepts Medicare Assignment
5601 DE SOTO AVE, KAISER PERMANENTE, WOODLAND HILLS, CA 91367(818) 719-2307(818) 719-2079 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joy M Twersky M.d. NPPES

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

DR. JOY M TWERSKY M.D. (NPI 1699888156) is an individual dermatology provider in Woodland Hills, California, licensed in California (A89925) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1999).

NPPES Registry Identity

NPI1699888156
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameDR. JOY M TWERSKYCredential: M.D.
Location Address5601 DE SOTO AVE, KAISER PERMANENTEWoodland Hills, CA 91367-6701
Mailing Address5601 De Soto AveWoodland Hills, CA 91367-6701 · (818) 719-4643 · Fax (818) 719-2079
Phone(818) 719-2307
Fax(818) 719-2079
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1999
Enumeration DateAugust 17, 2006
Last NPPES UpdateNovember 29, 2021
✔ NPI 1699888156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · A89925
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.
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License A89925 (CA)
5601 DE SOTO AVE, Woodland Hills, CA 91367
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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

Dr. Joy M Twersky M.d. 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 ID7618039462
PECOS Enrollment IDI20090103000020
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 Reassignment

Medicare enrollment records show Joy Twersky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
5601 DE SOTO AVE
Woodland Hills, CA 91367
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333478 (818) 719-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91367 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 20

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

TIMOTHY STARR MPT
Physical Therapist (Orthopedic)
5601 DE SOTO AVE, PHYSICAL THERAPY DEPARTMENT
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2930
MS. BONNIE JILL WEISSMAN P.T.A.
Technician, Other
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-3958
MANO SHANAA M.D.
Anesthesiology
5601 DE SOTO AVE, DEPT OF ANESTHESIA
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2261
DONNA M KARY CRNA
Nurse Anesthetist, Certified Registered
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
PAULA MONAGHAN CNM
Advanced Practice Midwife
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
DEAN T. NORA MD
Surgery (Surgical Oncology)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
MARGARET M. STONE MD
Pediatrics (Pediatric Infectious Diseases)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
KARIN L NIELSEN PA
Physician Assistant
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000

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 Joy Twersky's NPI number?

The NPI number for Joy Twersky is 1699888156. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Joy Twersky located?

Joy Twersky practices at 5601 De Soto Ave Kaiser Permanente, Woodland Hills, CA 91367. The listed phone number is (818) 719-2307.

What is Joy Twersky's specialty?

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

Is Joy Twersky enrolled in Medicare?

Yes. Joy Twersky 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 organization bills Medicare for Joy Twersky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joy Twersky reassigns Medicare benefits to Southern California Permanente Medical Group (Woodland Hills, CA). The 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 Joy Twersky'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 Joy Twersky was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.