DR. MEI SAN TANG MD
NPI 1700362316
Pathology - Clinical Pathology in Saint Louis, MO
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, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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.
Medicare Billing Reassignments
2Medicare enrollment records show Mei San Tang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63108
- Reassigned Medicare billing, Illinois enrollment
- 530 clinicians in this Medicare group
Sandy, UT 84092
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTPhysician 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.
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.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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.
Which organizations bill Medicare for Mei San Tang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mei San Tang reassigns Medicare benefits to 2 organizations: Washington University Physicians In Illinois, Inc (Saint Louis, MO) and University Of Utah Adult Services (Sandy, UT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mei San Tang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mei San Tang affiliated with any hospitals?
According to CMS data, Mei San Tang is affiliated with University Of Utah Hospitals And Clinics.
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 8 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.
# Dr. Mei San Tang, MD · NPI 1700362316
Clinical Pathology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 17, 2018.
## Identity
- **NPI:** 1700362316 (Entity type: Individual)
- **Enumerated:** July 17, 2018
- **Primary specialty:** Pathology - Clinical Pathology · taxonomy 207ZC0006X
- **State license:** 14219290-1205 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DIV PA LAB AND GENOMIC MED, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-5641 · **Fax:** (314) 362-0369
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University Physicians In Illinois, Inc (NPI 1457203135, Saint Louis, MO); University Of Utah Adult Services (NPI 1851904247, Sandy, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 10, 2026
- **Other identifiers:** Medicaid 200062391 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1700362316) · Data from the CMS NPPES public registry.