WEI ZHANG MD
NPI 1386210995
Internal Medicine in Saint Louis, MO

Active since June 03, 2021PECOS EnrolledAccepts Medicare Assignment
615 S NEW BALLAS RD, SAINT LOUIS, MO 63141(314) 251-6339(314) 251-4564 Get Directions Write a Review

NPPES record last updated: August 12, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 12, 2024, Jun 24, 2024, Jun 3, 2021 (3 updates tracked since 2021).

About Wei Zhang Md NPPES

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

WEI ZHANG MD (NPI 1386210995) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2024031506) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1386210995
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameWEI ZHANGCredential: MD
Location Address615 S NEW BALLAS RDSaint Louis, MO 63141-8221
Mailing Address615 S New Ballas RdSaint Louis, MO 63141-8221 · (314) 251-6339 · Fax (314) 251-4564
Fax(314) 251-4564
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 3, 2021
Last NPPES UpdateAugust 12, 20243 updates tracked since enumeration
NPPES CertifiedAugust 12, 2024
NPI 1386210995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2024031506
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.

615 S NEW BALLAS RD, Saint Louis, MO 63141

Secondary Practice Locations 3

Location 1901 E 5th StWashington, MO 63090-3127 · Phone (636) 239-8231
Location 210010 Kennerly RdSaint Louis, MO 63128-2106 · Phone (314) 525-1328
Location 31400 US Highway 61Festus, MO 63028-4100 · Phone (636) 933-5337

Accepted Insurance

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

Wei 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 ID6406394501
PECOS Enrollment IDI20240821000158
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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
70 services70 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Jefferson

Acute Care Hospitals · Festus, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260023
Location1400 Us Highway 61Festus, MO 63028 · Jefferson County
Emergency services

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Anesthesiologist Assistant
615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Dentist (General Practice)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Psychiatric/Mental Health)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

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 Wei Zhang's NPI number?

The NPI number for Wei Zhang is 1386210995. It was assigned to this individual provider in the NPPES registry on June 3, 2021.

Where is Wei Zhang located?

Wei Zhang practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.

What is Wei Zhang's specialty?

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

Is Wei Zhang enrolled in Medicare?

Yes. Wei 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.

What insurance does Wei Zhang accept?

Health plans from Medica list Wei Zhang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Wei Zhang affiliated with any hospitals?

According to CMS data, Wei Zhang is affiliated with Mercy Hospital St Louis, Mercy Hospital Jefferson and Mercy Hospital Washington.

When was this NPI record last updated?

The NPPES record for Wei Zhang was last updated on August 12, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.