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DIANA YUN-CHI WONG M.D.
NPI 1922019637
Obstetrics & Gynecology - Gynecology in Tarzana, CA

Active since August 10, 2006PECOS EnrolledAccepts Medicare Assignment
18411 CLARK ST, SUITE 102, TARZANA, CA 91356(877) 503-0518(877) 503-0520 Get Directions Write a Review

NPPES record last updated: March 6, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Diana Yun-chi Wong M.d. NPPES

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

DIANA YUN-CHI WONG M.D. (NPI 1922019637) is an individual gynecology provider in Tarzana, California, licensed in California (G72281) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1990).

NPPES Registry Identity

NPI1922019637
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameDIANA YUN-CHI WONGCredential: M.D.
Location Address18411 CLARK ST, SUITE 102Tarzana, CA 91356-3506
Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5637 · Fax (818) 792-4793
Phone(877) 503-0518
Fax(877) 503-0520
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1990
Enumeration DateAugust 10, 2006
Last NPPES UpdateMarch 6, 2014
✔ NPI 1922019637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CA · G72281
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
18411 CLARK ST, Tarzana, CA 91356
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Other Identifiers 3

Medicaid00G722810CA
Medicare PINCB205228CA
Medicare UPINF87241CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Yun-chi Wong 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 ID4789680166
PECOS Enrollment IDI20061006000340
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.

Areas of Expertise CMS Part B claims 6

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
99 services99 patients
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.
48 services35 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
21 services21 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
14 services13 patients
Biopsy of lining of uterus 58100
A biopsy of the uterus lining is a medical procedure where a small sample of tissue is taken from the inner layer of your uterus. This is done to check for any abnormal cells or conditions. It's a common, quick process that helps in diagnosing various health issues.
12 services11 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91356 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 20

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

NEIL D. FAGEN,M.D.,INC.
Internal Medicine (Gastroenterology)
18411 CLARK ST, 204
TARZANA, CA 91356
Los Angeles County (818) 996-4796
DIABETIC NEUROPATHY & FOOTCARE INSTITUTE OF SOUTHERN CALIFORNIA
Plastic Surgery
18411 CLARK ST, SUITE 105
TARZANA, CA 91356
Los Angeles County (818) 345-3338
TARZANA GARDEN OB GYN
Obstetrics & Gynecology
18411 CLARK ST, 301
TARZANA, CA 91356
Los Angeles County (818) 345-6600
SONIA DELACRUZ
Specialist
18411 CLARK ST, SUITE 302
TARZANA, CA 91356
Los Angeles County (818) 501-7276
DR. STEPHEN J HOWARD DDS
Dentist (Pediatric Dentistry)
18411 CLARK ST, #306
TARZANA, CA 91356
Los Angeles County (818) 343-9119
BRIAN K FENMORE MD
Obstetrics & Gynecology
18411 CLARK ST, 108
TARZANA, CA 91356
Los Angeles County (818) 708-8011
TINA BUERANO VERDER MD
Obstetrics & Gynecology
18411 CLARK ST, SUITE 102
TARZANA, CA 91356
Los Angeles County (877) 503-0518
ALLEN L. HOFFMAN, MD FACS, APC
Surgery
18411 CLARK ST, SUITE 305
TARZANA, CA 91356
Los Angeles County (818) 345-9600

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 Wong's NPI number?

The NPI number for Diana Wong is 1922019637. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Diana Wong located?

Diana Wong practices at 18411 Clark St Suite 102, Tarzana, CA 91356. The listed phone number is (877) 503-0518.

What is Diana Wong's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Diana Wong enrolled in Medicare?

Yes. Diana Wong 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.

When was this NPI record last updated?

The NPPES record for Diana Wong was last updated on March 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.