MICHELLE SHIEH M.D.
NPI 1669867156
Internal Medicine - Critical Care Medicine in Tyler, TX
About Michelle Shieh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE SHIEH M.D. (NPI 1669867156) is an individual critical care medicine provider in Tyler, Texas, licensed in Texas (U1381) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains a secondary practice location in Albuquerque.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
Accepted Insurance
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
Michelle Shieh M.d. 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
5Medicare enrollment records show Michelle Shieh reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 43 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 70 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, New Mexico enrollment
- 251 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.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Mother Frances Hospital
Acute Care Hospitals · Tyler, TXChristus Mother Frances Hospital Sulphur Springs
Acute Care Hospitals · Sulphur Springs, TXPalestine Regional Medical Center
Acute Care Hospitals · Palestine, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
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 Michelle Shieh's NPI number?
The NPI number for Michelle Shieh is 1669867156. It was assigned to this individual provider in the NPPES registry on April 1, 2015.
Where is Michelle Shieh located?
Michelle Shieh practices at 800 E Dawson St, Tyler, TX 75701. The listed phone number is (903) 593-8441.
What is Michelle Shieh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Michelle Shieh enrolled in Medicare?
Yes. Michelle Shieh 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 Michelle Shieh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Shieh reassigns Medicare benefits to 5 organizations: Tyler Physician Services, PLLC (Tyler, TX), Christus Trinity Clinic Texas (Tyler, TX), Northeast Texas Intensivists, PLLC (Longview, TX), Cogent Healthcare Of Texas, PA (Dallas, TX) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). 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 Michelle Shieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Shieh accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Michelle Shieh 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 Michelle Shieh affiliated with any hospitals?
According to CMS data, Michelle Shieh is affiliated with Christus Mother Frances Hospital, Christus Mother Frances Hospital Sulphur Springs and Palestine Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Michelle Shieh was last updated on July 24, 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.
# Michelle Shieh, M.D. · NPI 1669867156
Critical Care Medicine physician in Tyler, Texas. Individual provider, active in the CMS NPPES registry since April 1, 2015.
## Identity
- **NPI:** 1669867156 (Entity type: Individual)
- **Enumerated:** April 1, 2015
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** U1381 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 800 E DAWSON ST, Tyler, TX 75701-2036
- **Phone:** (903) 593-8441
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Tyler Physician Services, PLLC (NPI 1225898034, Tyler, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Northeast Texas Intensivists, PLLC (NPI 1497536676, Longview, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1669867156) · Data from the CMS NPPES public registry.