DR. MARK SINCLAIR MD
NPI 1689624140
Surgery - Pediatric Surgery in Kansas City, MO
About Dr. Mark Sinclair Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK SINCLAIR MD (NPI 1689624140) is an individual pediatric surgery provider in Kansas City, Missouri, licensed in Missouri (2004005144) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Springfield, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 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
Dr. Mark Sinclair Md 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 Mark Sinclair reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St. Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Mercy Clinic Childrens Surgery LLC
- 11 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Lubbock, TX 79410
- Reassigned Medicare billing, Texas enrollment
- 309 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 128 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.
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.
KANSAS CITY, MO 64108
KANSAS CITY, MO 64108
KANSAS CITY, MO 64108
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 Mark Sinclair's NPI number?
The NPI number for Mark Sinclair is 1689624140. It was assigned to this individual provider in the NPPES registry on May 12, 2006.
Where is Mark Sinclair located?
Mark Sinclair practices at 2401 Gillham Rd, Kansas City, MO 64108. The listed phone number is (816) 234-3693.
What is Mark Sinclair's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Mark Sinclair enrolled in Medicare?
Yes. Mark Sinclair 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 Mark Sinclair's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sinclair reassigns Medicare benefits to 5 organizations: Mercy Clinic Children's Surgery, LLC (St. Louis, MO), Siu Physicians & Surgeons, Inc (Springfield, IL), Osf Multi-Specialty Group (Peoria, IL), Covenant Medical Group (Lubbock, TX) and The Shriners' Hospital For Children (Springfield, MA). 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 Mark Sinclair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Sinclair accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 9 other insurers list Mark Sinclair 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 Mark Sinclair was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Mark Sinclair, MD · NPI 1689624140
Pediatric Surgery physician in Kansas City, Missouri. Individual provider, active in the CMS NPPES registry since May 12, 2006.
## Identity
- **NPI:** 1689624140 (Entity type: Individual)
- **Enumerated:** May 12, 2006
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** 2004005144 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 GILLHAM RD, Kansas City, MO 64108-4619
- **Phone:** (816) 234-3693 · **Fax:** (816) 855-1993
## 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): Mercy Clinic Children's Surgery, LLC (NPI 1649349804, St. Louis, MO); Siu Physicians & Surgeons, Inc (NPI 1558385989, Springfield, IL); Osf Multi-Specialty Group (NPI 1922445527, Peoria, IL); Covenant Medical Group (NPI 1376598904, Lubbock, TX); The Shriners' Hospital For Children (NPI 1285078444, Springfield, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** October 3, 2025
- **Other identifiers:** Medicaid 200255530A (KS); Medicaid 209217009 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1689624140) · Data from the CMS NPPES public registry.