CRYSTALLE M EVANS D.O.
NPI 1043560030
Emergency Medicine in Ada, OK
About Crystalle M Evans D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTALLE M EVANS D.O. (NPI 1043560030) is an individual emergency medicine provider in Ada, Oklahoma, licensed in Oklahoma (5209) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Chickasaw Nation Medical Center, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
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
Crystalle M Evans D.o. 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 Crystalle Evans reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ada, OK 74820
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Chickasaw Nation Division Of Health Chickasaw Nation Medical Center
- 324 clinicians in this Medicare group
Kingfisher, OK 73750
- Reassigned Medicare billing, Oklahoma enrollment
- 44 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chickasaw Nation Medical Center
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74820 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.
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 Crystalle Evans's NPI number?
The NPI number for Crystalle Evans is 1043560030. It was assigned to this individual provider in the NPPES registry on September 17, 2012.
Where is Crystalle Evans located?
Crystalle Evans practices at 1921 Stonecipher Dr, Ada, OK 74820. The listed phone number is (580) 421-4526.
What is Crystalle Evans's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Crystalle Evans enrolled in Medicare?
Yes. Crystalle Evans 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 Crystalle Evans's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystalle Evans reassigns Medicare benefits to 2 organizations: Chickasaw Nation Division Of Health (Ada, OK) and Mercy Hospital Kingfisher, Inc (Kingfisher, OK). 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 Crystalle Evans's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystalle Evans accept?
Health plans from Oscar Insurance Company list Crystalle Evans 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 Crystalle Evans affiliated with any hospitals?
According to CMS data, Crystalle Evans is affiliated with Chickasaw Nation Medical Center.
When was this NPI record last updated?
The NPPES record for Crystalle Evans was last updated on January 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Crystalle M Evans, D.O. · NPI 1043560030
Emergency Medicine physician in Ada, Oklahoma. Individual provider, active in the CMS NPPES registry since September 17, 2012.
## Identity
- **NPI:** 1043560030 (Entity type: Individual)
- **Enumerated:** September 17, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5209 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1921 STONECIPHER DR, Ada, OK 74820-3439
- **Phone:** (580) 421-4526
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Chickasaw Nation Division Of Health (NPI 1255364923, Ada, OK); Mercy Hospital Kingfisher, Inc (NPI 1083048417, Kingfisher, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2011
## Record status
- **NPPES last updated:** January 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1043560030) · Data from the CMS NPPES public registry.