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DIANA TRAN-KIM D.O.
NPI 1366867327
Obstetrics & Gynecology in Fountain Vly, CA

Active since February 27, 2014PECOS Enrolled
11160 WARNER AVE STE 301, FOUNTAIN VLY, CA 92708(714) 210-5665(714) 210-2031 Get Directions Write a Review

NPPES record last updated: December 21, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Diana Tran-kim D.o. NPPES

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

DIANA TRAN-KIM D.O. (NPI 1366867327) is an individual obstetrics & gynecology provider in Fountain Vly, California, licensed in New York (275009) and active in the NPI registry since February 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Yorba Linda, and is a graduate of West Virginia School Of Osteopathic Medicine (2009).

NPPES Registry Identity

NPI1366867327
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDIANA TRAN-KIMCredential: D.O.
Location Address11160 WARNER AVE STE 301Fountain Vly, CA 92708-4055
Mailing Address11160 Warner Ave Ste 301Fountain Vly, CA 92708-4055 · (714) 210-5665 · Fax (714) 210-2031
Phone(714) 210-5665
Fax(714) 210-2031
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2009
Enumeration DateFebruary 27, 2014
Last NPPES UpdateDecember 21, 2020
NPPES CertifiedOctober 26, 2020
✔ NPI 1366867327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NY · 275009
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
11160 WARNER AVE STE 301, Fountain Vly, CA 92708
Open in Google Maps ↗

Secondary Practice Location 1

Location 118210 Yorba Linda Blvd, 404Yorba Linda, CA 92886-4059 · Phone (714) 577-6031

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Tran-kim D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870802317
PECOS Enrollment IDI20211021000643
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 Diana Tran-kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr Diana Tran-Kim Corp.
Same address
Obstetrics & Gynecology
11160 WARNER AVE STE 301
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
NPI 1750971446 (714) 210-5665

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.
17 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services12 patients

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
$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
$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 3

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

VIET ANH BE, M.D., INC
Obstetrics & Gynecology
11160 WARNER AVE STE 301
FOUNTAIN VALLEY, CA 92708
Orange County (714) 210-5665
ERICA DICKSON DO
Obstetrics & Gynecology
11160 WARNER AVE STE 301
FOUNTAIN VALLEY, CA 92708
Orange County (714) 210-5665
DR DIANA TRAN-KIM CORP.
Obstetrics & Gynecology
11160 WARNER AVE STE 301
FOUNTAIN VALLEY, CA 92708
Orange County (714) 210-5665

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 Diana Tran-kim's NPI number?

The NPI number for Diana Tran-kim is 1366867327. It was assigned to this individual provider in the NPPES registry on February 27, 2014.

Where is Diana Tran-kim located?

Diana Tran-kim practices at 11160 Warner Ave Ste 301, Fountain Vly, CA 92708. The listed phone number is (714) 210-5665.

What is Diana Tran-kim's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Diana Tran-kim enrolled in Medicare?

Yes. Diana Tran-kim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Tran-kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Tran-kim reassigns Medicare benefits to Dr Diana Tran-Kim Corp. (Fountain Valley, 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 Diana Tran-kim'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 Diana Tran-kim was last updated on December 21, 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.