MARK R KOBAYASHI MD
NPI 1518047729
Plastic Surgery in Orange, CA

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH, ORANGE, CA 92868(714) 456-8978 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark R Kobayashi Md NPPES

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

MARK R KOBAYASHI MD (NPI 1518047729) is an individual plastic surgery provider in Orange, California, licensed in California (000000A43597) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (1984).

NPPES Registry Identity

NPI1518047729
Entity TypeIndividualMale
Primary Taxonomy208200000X
Provider Legal NameMARK R KOBAYASHICredential: MD
Location AddressUCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTHOrange, CA 92868
Mailing AddressPlastic Surgery Division - Uci, Po Box 515072Los Angeles, CA 90051-5072 · (714) 456-6369
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 1984
Enumeration DateOctober 16, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1518047729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPlastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208200000X
License✔ Licensed in CA · 000000A43597
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.
UCI MEDICAL CENTER, Orange, CA 92868

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

Mark R Kobayashi 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 ID2466515374
PECOS Enrollment IDI20090120000205
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 Mark R Kobayashi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Plastic Surgery
200 S MANCHESTER AVE, SUITE 650
Orange, CA 92868
  • 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.

Areas of Expertise CMS Part B claims 2

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.

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.
41 services27 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
23 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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.

Family Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Otolaryngology
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Emergency Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Internal Medicine (Endocrinology, Diabetes & Metabolism)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Pediatrics (Neurodevelopmental Disabilities)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Emergency Medicine
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Surgery
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868
Pathology (Clinical Pathology/Laboratory Medicine)
UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH
ORANGE, CA 92868

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 Mark R Kobayashi's NPI number?

The NPI number for Mark R Kobayashi is 1518047729. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Mark R Kobayashi located?

Mark R Kobayashi practices at Uci Medical Center 101 The City Drive South, Orange, CA 92868. The listed phone number is (714) 456-8978.

What is Mark R Kobayashi's specialty?

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

Is Mark R Kobayashi enrolled in Medicare?

Yes. Mark R Kobayashi 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 Mark R Kobayashi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark R Kobayashi reassigns Medicare benefits to Regents Of The University Of California (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 Mark R Kobayashi'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 Mark R Kobayashi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.