TAMMY LYNN WILLIAMS APRN, FNP-C
NPI 1720526437
Nurse Practitioner - Family in Oklahoma City, OK
About Tammy Lynn Williams Aprn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LYNN WILLIAMS APRN, FNP-C (NPI 1720526437) is an individual family provider in Oklahoma City, Oklahoma, licensed in Oklahoma (0083947) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tammy Lynn Williams Aprn, Fnp-c 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73127 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73127
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 Williams's NPI number?
The NPI number for Tammy Williams is 1720526437. It was assigned to this individual provider in the NPPES registry on February 2, 2017.
Where is Tammy Williams located?
Tammy Williams practices at 4629 NW 23rd St, Oklahoma City, OK 73127. The listed phone number is (405) 251-8880.
What is Tammy Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tammy Williams enrolled in Medicare?
Yes. Tammy Williams 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.
What insurance does Tammy Williams accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Tammy Williams 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.
When was this NPI record last updated?
The NPPES record for Tammy Williams was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Tammy Lynn Williams, APRN, FNP-C · NPI 1720526437
Family physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since February 2, 2017.
## Identity
- **NPI:** 1720526437 (Entity type: Individual)
- **Enumerated:** February 2, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0083947 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4629 NW 23RD ST, Oklahoma City, OK 73127-2103
- **Phone:** (405) 251-8880
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** September 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720526437) · Data from the CMS NPPES public registry.