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WEIZHENG JIANG MD
NPI 1275023780
Internal Medicine in Modesto, CA

Active since May 10, 2018PECOS EnrolledAccepts Medicare Assignment
1540 FLORIDA AVE, MODESTO, CA 95350(866) 682-4842(877) 435-6573 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 27, 2025, Jul 20, 2021, May 10, 2018 (3 updates tracked since 2018).

About Weizheng Jiang Md NPPES

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

WEIZHENG JIANG MD (NPI 1275023780) is an individual internal medicine provider in Modesto, California, licensed in California (A173641) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1275023780
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWEIZHENG JIANGCredential: MD
Location Address1540 FLORIDA AVEModesto, CA 95350-4430
Mailing Address737 W Childs AveMerced, CA 95341-6805 · (866) 682-4842
Phone(866) 682-4842
Fax(877) 435-6573
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 10, 2018
Last NPPES UpdateJune 27, 20253 updates tracked since enumeration
NPPES CertifiedJuly 20, 2021
✔ NPI 1275023780 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 · A173641✔ Licensed in MA · 275695
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.
1540 FLORIDA AVE, Modesto, CA 95350
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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

Weizheng Jiang 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 ID244633386
PECOS Enrollment IDI20210727000971
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

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.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95350 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

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.

MRS. MARIA DOLORES DIAZ RN
Registered Nurse
1540 FLORIDA AVE, STE 100
MODESTO, CA 95350
Stanislaus County (209) 544-3236
ALVIN K ENG MD
Internal Medicine (Cardiovascular Disease)
1540 FLORIDA AVE, # 100
MODESTO, CA 95350
Stanislaus County (209) 577-5557
LESLIE CASTILLO BALUYOT MD
Internal Medicine (Cardiovascular Disease)
1540 FLORIDA AVE, #100
MODESTO, CA 95350
Stanislaus County (209) 577-5557
DR. EMAD S NAJJAR MD
Internal Medicine (Cardiovascular Disease)
1540 FLORIDA AVE
MODESTO, CA 95350
Stanislaus County (209) 656-9776
MRS. KRISTEN E. FLACK AGNP
Nurse Practitioner (Gerontology)
1540 FLORIDA AVE
MODESTO, CA 95350
Stanislaus County (209) 238-4800
KAREN RENEE MCCABE RN
Registered Nurse
1540 FLORIDA AVE, STE 100
MODESTO, CA 95350
Stanislaus County (209) 544-3236
DHEERA TAMVADA MD
Internal Medicine
1540 FLORIDA AVE
MODESTO, CA 95350
Stanislaus County (866) 682-4841
ALLYSON M VAN HORN R.N.
Registered Nurse
1540 FLORIDA AVE, SUITE 100
MODESTO, CA 95350
Stanislaus County (209) 577-5557

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 Weizheng Jiang's NPI number?

The NPI number for Weizheng Jiang is 1275023780. It was assigned to this individual provider in the NPPES registry on May 10, 2018.

Where is Weizheng Jiang located?

Weizheng Jiang practices at 1540 Florida Ave, Modesto, CA 95350. The listed phone number is (866) 682-4842.

What is Weizheng Jiang's specialty?

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

Is Weizheng Jiang enrolled in Medicare?

Yes. Weizheng Jiang 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 Weizheng Jiang was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.