MS. AMBER NICOLE CRISWELL FNP
NPI 1174146906
Nurse Practitioner - Family in Saint Louis, MO
About Ms. Amber Nicole Criswell Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. AMBER NICOLE CRISWELL FNP (NPI 1174146906) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2020010821) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ms. Amber Nicole Criswell Fnp 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
6Medicare enrollment records show Amber Criswell reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Granite City, IL 62040
- Reassigned Medicare billing, Illinois enrollment
- 51 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Illinois enrollment
- 329 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 50 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 301 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 93 clinicians in this Medicare group
Harrisburg, IL 62946
- Reassigned Medicare billing, Illinois enrollment
- 60 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 4
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.
Alton Memorial Hospital
Acute Care Hospitals · Alton, ILChristian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63136 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
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 Amber Criswell's NPI number?
The NPI number for Amber Criswell is 1174146906. It was assigned to this individual provider in the NPPES registry on May 27, 2020.
Where is Amber Criswell located?
Amber Criswell practices at 11133 Dunn Rd Dept Neurological Surgery, Saint Louis, MO 63136. The listed phone number is (314) 362-3577.
What is Amber Criswell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amber Criswell enrolled in Medicare?
Yes. Amber Criswell 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 Amber Criswell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Criswell reassigns Medicare benefits to 6 organizations: Cep America - Illinois Snf, LLP (Granite City, IL), Cep America - Illinois Hospitalists, LLP (Alton, IL), Washington University (Saint Louis, MO), Sound Physicians Of Illinois, LLC (Bridgeton, MO), Galen Inpatient Physicians PC. (Fenton, MO) and 1 more organization, listed in the Medicare section above. 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 Amber Criswell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Criswell accept?
Health plans from UnitedHealthcare list Amber Criswell 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 Amber Criswell affiliated with any hospitals?
According to CMS data, Amber Criswell is affiliated with Alton Memorial Hospital and Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Amber Criswell was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ms. Amber Nicole Criswell, FNP · NPI 1174146906
Family physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 27, 2020.
## Identity
- **NPI:** 1174146906 (Entity type: Individual)
- **Enumerated:** May 27, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 2020010821 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 11133 DUNN RD, DEPT NEUROLOGICAL SURGERY, Saint Louis, MO 63136-6163
- **Phone:** (314) 362-3577 · **Fax:** (314) 362-2107
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Cep America - Illinois Snf, LLP (NPI 1831601376, Granite City, IL); Cep America - Illinois Hospitalists, LLP (NPI 1164973947, Alton, IL); Washington University (NPI 1538100565, Saint Louis, MO); Sound Physicians Of Illinois, LLC (NPI 1043598865, Bridgeton, MO); Galen Inpatient Physicians PC. (NPI 1538714688, Fenton, MO); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 420083784 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1174146906) · Data from the CMS NPPES public registry.