STACIE HERNDON ELFRINK MD
NPI 1851431357
Obstetrics & Gynecology in Duncan, OK
About Stacie Herndon Elfrink Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACIE HERNDON ELFRINK MD (NPI 1851431357) is an individual obstetrics & gynecology provider in Duncan, Oklahoma, licensed in Oklahoma (24627) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Duncan Regional Hospital, Inc, and is a graduate of Other (2005).
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
Stacie Herndon Elfrink 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 Stacie Elfrink reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duncan, OK 73533
- Reassigned Medicare billing, Oklahoma enrollment
- Also billed through NPI 1699318147 (Oklahoma)
- 24 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duncan Regional Hospital, Inc
Acute Care Hospitals · Duncan, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73533 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 3
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 Stacie Elfrink's NPI number?
The NPI number for Stacie Elfrink is 1851431357. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Stacie Elfrink located?
Stacie Elfrink practices at 2515 N Whisenant Drive, Duncan, OK 73533. The listed phone number is (580) 255-2229.
What is Stacie Elfrink's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Stacie Elfrink enrolled in Medicare?
Yes. Stacie Elfrink 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 Stacie Elfrink's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacie Elfrink reassigns Medicare benefits to Duncan Regional Hospital, Inc (Duncan, OK). 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 Stacie Elfrink's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stacie Elfrink accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Stacie Elfrink 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 Stacie Elfrink affiliated with any hospitals?
According to CMS data, Stacie Elfrink is affiliated with Duncan Regional Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Stacie Elfrink was last updated on March 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Stacie Herndon Elfrink, MD · NPI 1851431357
Obstetrics & Gynecology physician in Duncan, Oklahoma. Individual provider, active in the CMS NPPES registry since February 7, 2007.
## Identity
- **NPI:** 1851431357 (Entity type: Individual)
- **Enumerated:** February 7, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 24627 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 2515 N WHISENANT DRIVE, Duncan, OK 73533-1585
- **Phone:** (580) 255-2229
## 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:** Duncan Regional Hospital, Inc (NPI 1942918214, Duncan, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1851431357) · Data from the CMS NPPES public registry.