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DR. KATHRYN CALDWELL PERKINS TIFT M.D.
NPI 1831382662
Orthopaedic Surgery in Fountain Valley, CA

Active since August 24, 2007PECOS EnrolledAccepts Medicare Assignment
11160 WARNER AVE, SUITE 311, FOUNTAIN VALLEY, CA 92708(714) 850-7300(714) 850-7310 Get Directions Write a Review

NPPES record last updated: November 3, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kathryn Caldwell Perkins Tift M.d. NPPES

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

DR. KATHRYN CALDWELL PERKINS TIFT M.D. (NPI 1831382662) is an individual orthopaedic surgery provider in Fountain Valley, California, licensed in California (A104909) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2006).

NPPES Registry Identity

NPI1831382662
Entity TypeIndividualFemale
Primary Taxonomy207X00000X
Provider Legal NameDR. KATHRYN CALDWELL PERKINS TIFTCredential: M.D.
Location Address11160 WARNER AVE, SUITE 311Fountain Valley, CA 92708-4055
Mailing Address11160 Warner Ave Ste 311Fountain Vallley, CA 92708-4055 · (714) 850-7300 · Fax (714) 957-7348
Phone(714) 850-7300
Fax(714) 850-7310
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2006
Enumeration DateAugust 24, 2007
Last NPPES UpdateNovember 3, 2020
NPPES CertifiedNovember 3, 2020
✔ NPI 1831382662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A104909
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Pediatric Orthopaedic SurgeryTaxonomy 207XP3100X · License A104909 (CA)
11160 WARNER AVE, Fountain Valley, CA 92708
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Other Names 1

Former Name (1)Dr. Kathryn Caldwell Perkins

Other Identifiers 1

OtherA104909CA · Medical License

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. Kathryn Caldwell Perkins Tift 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 ID9335388909
PECOS Enrollment IDI20130612000436
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 Kathryn Perkins Tift reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthowest
14 mi
Orthopaedic Surgery
24331 EL TORO RD STE 200
Laguna Woods, CA 92637
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1760007330 (949) 586-3200

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 92708 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.

ZAFAR S KHAN M.D. A MEDICAL CORPORATION
Surgery
11160 WARNER AVE, SUITE 311
FOUNTAIN VALLEY, CA 92708
Orange County (714) 850-7300
CIRCLEMED HEALTHCARE, A MEDICAL CORPORATION
Internal Medicine
11160 WARNER AVE, STE 405
FOUNTAIN VALLEY, CA 92708
Orange County (714) 263-0923
MEDICAL CENTER DENTAL GROUP
Dentist
11160 WARNER AVE, SUITE 303
FOUNTAIN VALLEY, CA 92708
Orange County (714) 557-8492
SHLOMI ALBERT MD INC
Urology
11160 WARNER AVE, SUITE 423
FOUNTAIN VALLEY, CA 92708
Orange County (714) 549-3333
LEDUC MEDICAL GROUP, INC.
Internal Medicine (Gastroenterology)
11160 WARNER AVE, SUITE 101
FOUNTAIN VALLEY, CA 92708
Orange County (714) 540-0105
DR. ELIZABETH Y NGHIEM M.D.
Internal Medicine (Infectious Disease)
11160 WARNER AVE, SUITE 323
FOUNTAIN VALLEY, CA 92708
Orange County (714) 751-7002
DR. JYOTSNA KENI M.D.
Pediatrics (Pediatric Endocrinology)
11160 WARNER AVE, SUITE 117
FOUNTAIN VALLEY, CA 92708
Orange County (714) 432-1950
PAYAM FARJOODI MD INC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
11160 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 850-7300

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 Kathryn Perkins Tift's NPI number?

The NPI number for Kathryn Perkins Tift is 1831382662. It was assigned to this individual provider in the NPPES registry on August 24, 2007. The provider is also known as Dr. Kathryn Caldwell Perkins.

Where is Kathryn Perkins Tift located?

Kathryn Perkins Tift practices at 11160 Warner Ave Suite 311, Fountain Valley, CA 92708. The listed phone number is (714) 850-7300.

What is Kathryn Perkins Tift's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Kathryn Perkins Tift enrolled in Medicare?

Yes. Kathryn Perkins Tift 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 Kathryn Perkins Tift's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Perkins Tift reassigns Medicare benefits to Orthowest (Laguna Woods, 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 Kathryn Perkins Tift'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 Kathryn Perkins Tift was last updated on November 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.