TAMMY ANN WILLINGHAM LOOMIS
NPI 1770937260
Nurse Practitioner - Family in Woodward, OK
About Tammy Ann Willingham Loomis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY ANN WILLINGHAM LOOMIS (NPI 1770937260) is an individual family provider in Woodward, Oklahoma, licensed in Oklahoma (76722) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Alliancehealth Woodward, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Tammy Ann Willingham Loomis 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 Tammy Willingham Loomis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woodward, OK 73801
- Reassigned Medicare billing, Oklahoma enrollment
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 10
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.
Alliancehealth Woodward
Acute Care Hospitals · Woodward, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73801 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 6
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
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 Tammy Willingham Loomis's NPI number?
The NPI number for Tammy Willingham Loomis is 1770937260. It was assigned to this individual provider in the NPPES registry on April 20, 2016. The provider is also known as Tammy Willingham Loomis Aprn-Bc.
Where is Tammy Willingham Loomis located?
Tammy Willingham Loomis practices at 1220 7th St, Woodward, OK 73801. The listed phone number is (580) 290-5112.
What is Tammy Willingham Loomis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tammy Willingham Loomis enrolled in Medicare?
Yes. Tammy Willingham Loomis 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 Tammy Willingham Loomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Willingham Loomis reassigns Medicare benefits to Tammy A Willingham Loomis (Woodward, 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 Tammy Willingham Loomis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Willingham Loomis accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Tammy Willingham Loomis 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 Tammy Willingham Loomis affiliated with any hospitals?
According to CMS data, Tammy Willingham Loomis is affiliated with Alliancehealth Woodward.
When was this NPI record last updated?
The NPPES record for Tammy Willingham Loomis was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.
# Tammy Ann Willingham Loomis · NPI 1770937260
Family physician in Woodward, Oklahoma. Individual provider, active in the CMS NPPES registry since April 20, 2016.
## Identity
- **NPI:** 1770937260 (Entity type: Individual)
- **Enumerated:** April 20, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 76722 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1220 7TH ST, Woodward, OK 73801-3202
- **Phone:** (580) 290-5112 · **Fax:** (580) 254-3136
## 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:** Tammy A Willingham Loomis (NPI 1851806103, Woodward, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770937260) · Data from the CMS NPPES public registry.