THE DOCTOR'S OFFICE, INC.
NPI 1891829602
General Practice in Saint Louis, MO
About The Doctor's Office, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THE DOCTOR'S OFFICE, INC. (NPI 1891829602) is a healthcare organization registered as a general practice in Saint Louis, Missouri and active in the NPI registry since March 2007. The organization lists Russell K Won, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
The Doctor's Office, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to The Doctor's Office, Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 The Doctor's Office, Inc.'s NPI number?
The NPI number for The Doctor's Office, Inc. is 1891829602. It was assigned to this organization in the NPPES registry on March 15, 2007.
Where is The Doctor's Office, Inc. located?
The Doctor's Office, Inc. is located at 6500 Lansdowne Ave, Saint Louis, MO 63109. The listed phone number is (314) 352-7003.
What is The Doctor's Office, Inc.'s specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is The Doctor's Office, Inc. enrolled in Medicare?
Yes. The Doctor's Office, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through The Doctor's Office, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to The Doctor's Office, Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for The Doctor's Office, Inc. was last updated on June 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# The Doctor's Office, Inc. · NPI 1891829602
General Practice organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since March 15, 2007.
## Identity
- **NPI:** 1891829602 (Entity type: Organization)
- **Enumerated:** March 15, 2007
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **Organization subpart:** No
- **Authorized official:** Russell Won, PRESIDENT
## Practice location
- **Address:** 6500 LANSDOWNE AVE, Saint Louis, MO 63109-2654
- **Phone:** (314) 352-7003
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (General Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 23, 2008
- **Other identifiers:** Medicare ID-Type Unspecified 002011039 (MO); Medicaid 201567013 (MO); Medicare UPIN A28750 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1891829602) · Data from the CMS NPPES public registry.