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DR. CAROLINE C PIESZAK M.D.
NPI 1558415257
Family Medicine in Westlake Village, CA

Active since January 22, 2007PECOS Enrolled
1220 LA VENTA DR, #105, WESTLAKE VILLAGE, CA 91361(805) 777-7242(805) 777-7244 Get Directions Write a Review

NPPES record last updated: February 9, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Caroline C Pieszak M.d. NPPES

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

DR. CAROLINE C PIESZAK M.D. (NPI 1558415257) is an individual family medicine provider in Westlake Village, California, licensed in California (A64453) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558415257
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CAROLINE C PIESZAKCredential: M.D.
Location Address1220 LA VENTA DR, #105Westlake Village, CA 91361-3703
Mailing Address1220 La Venta Dr, #105Westlake Village, CA 91361-3703 · (805) 777-7242 · Fax (805) 777-7244
Phone(805) 777-7242
Fax(805) 777-7244
Sole ProprietorYes
Enumeration DateJanuary 22, 2007
Last NPPES UpdateFebruary 9, 2017
✔ NPI 1558415257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A64453
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1220 LA VENTA DR, Westlake Village, CA 91361
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Other Names 1

Other Name (5)Caroline C. Pieszak M.d. Inc.

Other Identifiers 3

Medicare UPINH42802CA
Other770532827CA · Federal Tax Id
Medicare PINA64453CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Caroline C Pieszak M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 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
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
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 19

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

MR. ANTHONY VASQUEZ P.T.
Physical Therapist
1220 LA VENTA DR, SUITE 102
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 777-7370
WESTLAKE PHYSICAL THERAPY, INC.
Physical Therapist
1220 LA VENTA DR, SUITE 102
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 777-7370
LINDA GERRITS M D INC A PROFESSIONAL CORP
Internal Medicine (Nephrology)
1220 LA VENTA DR, SUITE 207
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 494-7710
MS. JESSICA SARAH VON DEN STEMMEN M.P.T.
Physical Therapist
1220 LA VENTA DR, SUITE # 102
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 777-7370
DENISE MARIE CARLTON MSN, WHNP-BC
Nurse Practitioner (Obstetrics & Gynecology)
1220 LA VENTA DR, SUITE 209
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 497-9119
MRS. JANICE HYLLENGREN D.P.T.
Physical Therapist
1220 LA VENTA DR, SUITE 102
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 777-7370
DR. KENNETH ROBERT DIDDIE M.D.
Specialist
1220 LA VENTA DR, SUITE 211
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 379-0200
KHANNA INSTITUTE ASC
Clinic/Center (Ambulatory Surgical)
1220 LA VENTA DR, 209
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 230-2126

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 Caroline Pieszak's NPI number?

The NPI number for Caroline Pieszak is 1558415257. It was assigned to this individual provider in the NPPES registry on January 22, 2007. The provider is also known as Caroline C. Pieszak M.D. Inc..

Where is Caroline Pieszak located?

Caroline Pieszak practices at 1220 La Venta Dr #105, Westlake Village, CA 91361. The listed phone number is (805) 777-7242.

What is Caroline Pieszak's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Caroline Pieszak enrolled in Medicare?

Yes. Caroline Pieszak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caroline Pieszak was last updated on February 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.