DR. WAI WAI M.D.
NPI 1871789206
Internal Medicine in Temple City, CA

Q: What is Wai Wai's NPI number?

The NPI number for Wai Wai is 1871789206. It was assigned to this individual provider in the NPPES registry on September 19, 2007.

Q: What is Wai Wai's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Wai Wai was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since September 19, 2007PECOS EnrolledAccepts Medicare Assignment

9810 LAS TUNAS DR, TEMPLE CITY, CA 91780(626) 309-7601(626) 309-9345 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Wai Wai M.d. NPPES

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

DR. WAI WAI M.D. (NPI 1871789206) is an individual internal medicine provider in Temple City, California, licensed in California (A054304) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1984).

NPPES Registry Identity

NPI1871789206

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. WAI WAICredential: M.D.

Location Address9810 LAS TUNAS DRTemple City, CA 91780-2208

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(626) 309-7601

Fax(626) 309-9345

Sole ProprietorNo

Medical School CMSOtherGraduated 1984

Enumeration DateSeptember 19, 2007

Last NPPES UpdateJanuary 14, 2026

NPPES CertifiedJanuary 14, 2026

✔ NPI 1871789206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A054304

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

9810 LAS TUNAS DR, Temple City, CA 91780

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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

Dr. Wai Wai 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 ID3375621048

PECOS Enrollment IDI20080421000419

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 8

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.

88 services53 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

51 services51 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.

48 services29 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

17 services15 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

16 services15 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

15 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91780 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

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

4 suppliers11 claims21 services$5.33 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers11 claims11 services$0.82 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

DR. YAN JUN CHEN MD

Family Medicine