JOHN Z WANG M.D., PH.D.
NPI 1285747931
Internal Medicine in West Covina, CA

Active since August 16, 2006PECOS Enrolled
1115 S SUNSET AVE STE 200, WEST COVINA, CA 91790(626) 732-8390(626) 732-8399 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About John Z Wang M.d., Ph.d. NPPES

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

JOHN Z WANG M.D., PH.D. (NPI 1285747931) is an individual internal medicine provider in West Covina, California, licensed in California (A67229) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285747931
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN Z WANGCredential: M.D., PH.D.
Location Address1115 S SUNSET AVE STE 200West Covina, CA 91790-3940
Mailing Address1041 W Badillo St Ste 104Covina, CA 91722-4194 · (626) 732-4168 · Fax (626) 732-8501
Fax(626) 732-8399
Sole ProprietorNo
Enumeration DateAugust 16, 2006
Last NPPES UpdateJuly 11, 2025
NPPES CertifiedJuly 11, 2025
NPI 1285747931 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 · A67229
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.

1115 S SUNSET AVE STE 200, West Covina, CA 91790

Other Names 1

Former Name (1)Zheng Wang M.d., Ph.d.

Other Identifiers 1

Medicaid00A672290CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

John Z Wang M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 2

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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, 20-29 minutes 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.
229 services62 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.
36 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 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

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 suppliers12 claims23 services$6.04 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 9

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

Internal Medicine
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Nurse Practitioner (Family)
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Psychiatry & Neurology (Neurology)
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Physician Assistant
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Internal Medicine (Hematology & Oncology)
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Physician Assistant
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Nurse Practitioner (Family)
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790
Pain Medicine (Pain Medicine)
1115 S SUNSET AVE STE 200
WEST COVINA, CA 91790

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285747931, enumerated as an "individual" on August 16, 2006.

The provider is located at 1115 S SUNSET AVE STE 200 WEST COVINA, CA 91790 and the phone number is (626) 732-8390.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.