SHELLY H TIEN M.D.
NPI 1457500787
Obstetrics & Gynecology - Maternal & Fetal Medicine in Tucson, AZ
About Shelly H Tien M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHELLY H TIEN M.D. (NPI 1457500787) is an individual maternal & fetal medicine provider in Tucson, Arizona, licensed in Texas (U8599) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Texarkana, and is a graduate of Tufts University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
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
Shelly H Tien 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
7Medicare enrollment records show Shelly Tien reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85704
- Reassigned Medicare billing, Arizona enrollment
- 157 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Access Telecare California PC
- 194 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Arizona, Florida, Louisiana, Maryland, Missouri, Nevada and Texas enrollments
- 161 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Eureka, IL 61530
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Shelly Tien's NPI number?
The NPI number for Shelly Tien is 1457500787. It was assigned to this individual provider in the NPPES registry on September 10, 2008.
Where is Shelly Tien located?
Shelly Tien practices at 2424 N Wyatt Dr Fl 2, Tucson, AZ 85712. The listed phone number is (520) 392-7500.
What is Shelly Tien's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Shelly Tien enrolled in Medicare?
Yes. Shelly Tien 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 Shelly Tien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shelly Tien reassigns Medicare benefits to 7 organizations: Genesis Ob Gyn PLLC (Tucson, AZ), Access Telecare California, P.C. (Dallas, TX), Access Telecare, PLLC (Dallas, TX), Christus Trinity Clinic Texas (Tyler, TX), Advocate Health And Hospitals Corp. (Eureka, IL) and 2 more organizations, listed in the Medicare section above. 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 Shelly Tien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shelly Tien accept?
Health plans from AvMed, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Cigna HealthCare of Arizona, Inc and 6 other insurers list Shelly Tien 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.
When was this NPI record last updated?
The NPPES record for Shelly Tien was last updated on February 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Shelly H Tien, M.D. · NPI 1457500787
Maternal & Fetal Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since September 10, 2008.
## Identity
- **NPI:** 1457500787 (Entity type: Individual)
- **Enumerated:** September 10, 2008
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** U8599 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2424 N WYATT DR FL 2, Tucson, AZ 85712-6115
- **Phone:** (520) 392-7500
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Genesis Ob Gyn PLLC (NPI 1992994214, Tucson, AZ); Access Telecare California, P.C. (NPI 1861959959, Dallas, TX); Access Telecare, PLLC (NPI 1013303080, Dallas, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Advocate Health And Hospitals Corp. (NPI 1295066983, Eureka, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** February 10, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1457500787) · Data from the CMS NPPES public registry.