GREGORY A. POTTS M.D.
NPI 1992770887
Obstetrics & Gynecology in Washington, MO
About Gregory A. Potts M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY A. POTTS M.D. (NPI 1992770887) is an individual obstetrics & gynecology provider in Washington, Missouri, licensed in Missouri (R7F05) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Gregory A. Potts 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
2Medicare enrollment records show Gregory Potts reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 23 clinicians in this Medicare group
Wildwood, MO 63040
- Reassigned Medicare billing, Missouri enrollment
- 228 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63090 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, MO 63090
WASHINGTON, MO 63090
WASHINGTON, MO 63090
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 Gregory Potts's NPI number?
The NPI number for Gregory Potts is 1992770887. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Gregory Potts located?
Gregory Potts practices at 851 E 5th St Suite 328, Washington, MO 63090. The listed phone number is (636) 239-1101.
What is Gregory Potts's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Gregory Potts enrolled in Medicare?
Yes. Gregory Potts 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 Gregory Potts's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Potts reassigns Medicare benefits to 2 organizations: Mercy Hospitals East Communities (Washington, MO) and Mercy Clinic East Communities (Wildwood, MO). 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 Gregory Potts's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Potts accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Gregory Potts 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 Gregory Potts affiliated with any hospitals?
According to CMS data, Gregory Potts is affiliated with Mercy Hospital St Louis and Mercy Hospital Washington.
When was this NPI record last updated?
The NPPES record for Gregory Potts was last updated on December 30, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.