DR. MEI SAN TANG MD
NPI 1700362316
Pathology - Clinical Pathology in Saint Louis, MO

Active since July 17, 2018PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
1 BARNES JEWISH HOSPITAL PLZ, DIV PA LAB AND GENOMIC MED, SAINT LOUIS, MO 63110(314) 362-5641(314) 362-0369 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 14, 2025, Apr 10, 2024, Nov 18, 2022 and 3 more (6 updates tracked since 2018).

About Dr. Mei San Tang Md NPPES

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

DR. MEI SAN TANG MD (NPI 1700362316) is an individual clinical pathology provider in Saint Louis, Missouri, licensed in Utah (14219290-1205) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1700362316
Entity TypeIndividualFemale
Primary Taxonomy207ZC0006X
Provider Legal NameDR. MEI SAN TANGCredential: MD
Location Address1 BARNES JEWISH HOSPITAL PLZ, DIV PA LAB AND GENOMIC MEDSaint Louis, MO 63110-1003
Mailing AddressPo Box 60352Saint Louis, MO 63160-0352 · (314) 362-5641 · Fax (314) 362-0369
Fax(314) 362-0369
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 17, 2018
Last NPPES UpdateFebruary 10, 20266 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2026
NPI 1700362316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZC0006X
License Licensed in UT · 14219290-1205
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Blood Banking & Transfusion MedicineTaxonomy 207ZB0001X · License 2021025565 (MO)
Also ListedPathology · Clinical Pathology/Laboratory MedicineTaxonomy 207ZP0105X · License 2021025565 (MO)
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

Other Identifiers 1

Medicaid200062391MO

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. Mei San Tang 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 ID1850622721
PECOS Enrollment IDI20250905000555
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

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 Mei San Tang's NPI number?

The NPI number for Mei San Tang is 1700362316. It was assigned to this individual provider in the NPPES registry on July 17, 2018.

Where is Mei San Tang located?

Mei San Tang practices at 1 Barnes Jewish Hospital Plz Div PA Lab And Genomic Med, Saint Louis, MO 63110. The listed phone number is (314) 362-5641.

What is Mei San Tang's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Is Mei San Tang enrolled in Medicare?

Yes. Mei San Tang 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 Mei San Tang was last updated on February 10, 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.