SARAH EMILY WHITTAKER MD
NPI 1326308040
Family Medicine in Wentzville, MO
About Sarah Emily Whittaker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH EMILY WHITTAKER MD (NPI 1326308040) is an individual family medicine provider in Wentzville, Missouri, licensed in Missouri (2020003742) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Sarah Emily Whittaker 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 Reassignment
Medicare enrollment records show Sarah Whittaker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
O Fallon, MO 63366
- 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 3
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.
Ssm St Joseph Health Center
Acute Care Hospitals · Saint Charles, MOSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOSsm Health Depaul Hospital St Louis
Acute Care Hospitals · Bridgeton, MOSsm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63385 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 2
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WENTZVILLE, MO 63385
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 Sarah Whittaker's NPI number?
The NPI number for Sarah Whittaker is 1326308040. It was assigned to this individual provider in the NPPES registry on May 29, 2012. The provider is also known as Sarah Emily Morris.
Where is Sarah Whittaker located?
Sarah Whittaker practices at 1598 W Meyer Rd, Wentzville, MO 63385. The listed phone number is (636) 332-8228.
What is Sarah Whittaker's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sarah Whittaker enrolled in Medicare?
Yes. Sarah Whittaker 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 Sarah Whittaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Whittaker reassigns Medicare benefits to Ssm Medical Group, Inc. (O Fallon, 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 Sarah Whittaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Whittaker accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 2 other insurers list Sarah Whittaker 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 Sarah Whittaker affiliated with any hospitals?
According to CMS data, Sarah Whittaker is affiliated with Ssm St Joseph Health Center, Ssm Health St Mary's Hospital - St Louis, Ssm Health Depaul Hospital St Louis and Ssm St Joseph Hospital West.
When was this NPI record last updated?
The NPPES record for Sarah Whittaker was last updated on October 28, 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.
# Sarah Emily Whittaker, MD · NPI 1326308040
Family Medicine physician in Wentzville, Missouri. Individual provider, active in the CMS NPPES registry since May 29, 2012.
## Identity
- **NPI:** 1326308040 (Entity type: Individual)
- **Enumerated:** May 29, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 2020003742 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1598 W MEYER RD, Wentzville, MO 63385-3653
- **Phone:** (636) 332-8228
## 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:** Ssm Medical Group, Inc. (NPI 1851896146, O Fallon, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 28, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1326308040) · Data from the CMS NPPES public registry.