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KAROLINE WANG MD
NPI 1255918231
Internal Medicine in Irvine, CA

Active since March 25, 2021PECOS EnrolledAccepts Medicare Assignment
13400 JAMBOREE RD # 200, IRVINE, CA 92602(714) 236-9279(714) 263-9389 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2024, Sep 24, 2024, Mar 25, 2021 (3 updates tracked since 2021).

About Karoline Wang Md NPPES

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

KAROLINE WANG MD (NPI 1255918231) is an individual internal medicine provider in Irvine, California, licensed in California (A194705) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2021).

NPPES Registry Identity

NPI1255918231
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKAROLINE WANGCredential: MD
Location Address13400 JAMBOREE RD # 200Irvine, CA 92602-2308
Mailing Address13400 Jamboree Rd # 200Irvine, CA 92602-2308 · (714) 236-9279
Phone(714) 236-9279
Fax(714) 263-9389
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2021
Enumeration DateMarch 25, 2021
Last NPPES UpdateJanuary 23, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2025
✔ NPI 1255918231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A194705
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
13400 JAMBOREE RD # 200, Irvine, CA 92602
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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

Karoline Wang 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 ID4880126275
PECOS Enrollment IDI20241009004226
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 Karoline Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Medical Foundation
5.8 mi
Hematology & Oncology
1010 W LA VETA AVE STE 200
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1801443510 (714) 835-1800

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 92602 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Karoline Wang's NPI number?

The NPI number for Karoline Wang is 1255918231. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Where is Karoline Wang located?

Karoline Wang practices at 13400 Jamboree Rd # 200, Irvine, CA 92602. The listed phone number is (714) 236-9279.

What is Karoline Wang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karoline Wang enrolled in Medicare?

Yes. Karoline Wang 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 Karoline Wang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karoline Wang reassigns Medicare benefits to Providence Medical Foundation (Orange, 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 Karoline Wang'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 Karoline Wang was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.