TYLER ANDREW MORK D.O.
NPI 1477736320
Internal Medicine in Webster Groves, MO
About Tyler Andrew Mork D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TYLER ANDREW MORK D.O. (NPI 1477736320) is an individual internal medicine provider in Webster Groves, Missouri, licensed in Missouri (2011008548) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Tyler Andrew Mork D.o. 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 Reassignment
Medicare enrollment records show Tyler Mork reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOSsm St Clare Health Center
Acute Care Hospitals · Fenton, MOSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63119 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 3
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 Tyler Mork's NPI number?
The NPI number for Tyler Mork is 1477736320. It was assigned to this individual provider in the NPPES registry on December 14, 2007.
Where is Tyler Mork located?
Tyler Mork practices at 8670 Big Bend Blvd, Webster Groves, MO 63119. The listed phone number is (314) 447-1900.
What is Tyler Mork's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tyler Mork enrolled in Medicare?
Yes. Tyler Mork 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 organization bills Medicare for Tyler Mork's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tyler Mork reassigns Medicare benefits to Ssm Medical Group, Inc. (Fenton, MO). The 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 Tyler Mork's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tyler Mork accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Tyler Mork 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 Tyler Mork affiliated with any hospitals?
According to CMS data, Tyler Mork is affiliated with Mercy Hospital South, Ssm St Clare Health Center, Ssm Health St Mary's Hospital - St Louis and Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Tyler Mork was last updated on November 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.