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BILLY ZHANG MD
NPI 1871087957
Internal Medicine in Irvine, CA

Active since June 21, 2018PECOS EnrolledAccepts Medicare Assignment
13400 JAMBOREE RD, IRVINE, CA 92602(714) 263-9279 Get Directions Write a Review

NPPES record last updated: August 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 7, 2023, Jul 12, 2023, Jun 21, 2018 (3 updates tracked since 2018).

About Billy Zhang Md NPPES

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

BILLY ZHANG MD (NPI 1871087957) is an individual internal medicine provider in Irvine, California, licensed in California (A173835) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1871087957
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBILLY ZHANGCredential: MD
Location Address13400 JAMBOREE RDIrvine, CA 92602-2308
Mailing Address13400 Jamboree RdIrvine, CA 92602-2308 · (714) 263-9279
Phone(714) 263-9279
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 21, 2018
Last NPPES UpdateAugust 7, 20233 updates tracked since enumeration
NPPES CertifiedAugust 7, 2023
✔ NPI 1871087957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A173835✔ Licensed in PA · MT216737✔ Licensed in NY · 312109
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.
13400 JAMBOREE RD, Irvine, CA 92602
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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

Billy Zhang Md 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 ID2264788934
PECOS Enrollment IDI20230817001011
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 4

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 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.
57 services36 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
55 services32 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.
42 services36 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92602 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.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$907.03 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 4

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

MS. MARIA CAMPOS LANDA MFT
Marriage & Family Therapist
13400 JAMBOREE RD
IRVINE, CA 92602
Orange County (714) 263-9279
LAURA LEON MD
Family Medicine
13400 JAMBOREE RD
IRVINE, CA 92602
Orange County (714) 263-9279
SUMMER LAUREN WALKER PA-C
Physician Assistant
13400 JAMBOREE RD
IRVINE, CA 92602
Orange County (714) 623-9279
NORTH OC IMAGING JV, LLC
Clinic/Center (Radiology)
13400 JAMBOREE RD
IRVINE, CA 92602
Orange County (840) 200-9200

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 Billy Zhang's NPI number?

The NPI number for Billy Zhang is 1871087957. It was assigned to this individual provider in the NPPES registry on June 21, 2018.

Where is Billy Zhang located?

Billy Zhang practices at 13400 Jamboree Rd, Irvine, CA 92602. The listed phone number is (714) 263-9279.

What is Billy Zhang's specialty?

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

Is Billy Zhang enrolled in Medicare?

Yes. Billy Zhang 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 Billy Zhang was last updated on August 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.