CAROLINE YAO M.D.
NPI 1790041697
Plastic Surgery in Pasadena, CA

Active since April 04, 2012PECOS Enrolled
909 S FAIR OAKS AVENUE, PASADENA, CA 91105(626) 389-9300(626) 389-9336 Get Directions Write a Review

NPPES record last updated: September 19, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 19, 2019, May 11, 2018 (2 updates tracked since 2018).

About Caroline Yao M.d. NPPES

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

CAROLINE YAO M.D. (NPI 1790041697) is an individual plastic surgery provider in Pasadena, California, licensed in California (A120821) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790041697
Entity TypeIndividualFemale
Primary Taxonomy208200000X
Provider Legal NameCAROLINE YAOCredential: M.D.
Location Address909 S FAIR OAKS AVENUEPasadena, CA 91105-2625
Mailing Address909 S Fair Oaks AvenuePasadena, CA 91105-2625 · (626) 389-9300 · Fax (626) 389-9336
Fax(626) 389-9336
Sole ProprietorYes
Enumeration DateApril 4, 2012
Last NPPES UpdateSeptember 19, 20192 updates tracked since enumeration
✔ NPI 1790041697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPlastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208200000X
Licenses✔ Licensed in CA · A120821✔ Licensed in MA · 273643
Definition
A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.
909 S FAIR OAKS AVENUE, Pasadena, CA 91105

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caroline Yao 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.

Medicare Billing Reassignment

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

Anesthesiology
909 S FAIR OAKS AVE
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 31 clinicians in this Medicare group

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 91105 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.

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 Yao's NPI number?

The NPI number for Caroline Yao is 1790041697. It was assigned to this individual provider in the NPPES registry on April 4, 2012.

Where is Caroline Yao located?

Caroline Yao practices at 909 S Fair Oaks Avenue, Pasadena, CA 91105. The listed phone number is (626) 389-9300.

What is Caroline Yao's specialty?

The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.

Is Caroline Yao enrolled in Medicare?

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

Which organization bills Medicare for Caroline Yao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Yao reassigns Medicare benefits to Shriners Hospitals For Children (Pasadena, 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 Caroline Yao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Yao accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Caroline Yao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caroline Yao was last updated on September 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.