TAMMY LYNN DEXTER CNM
NPI 1013147842
Advanced Practice Midwife in Ponca City, OK

Q: What is Tammy Dexter's NPI number?

The NPI number for Tammy Dexter is 1013147842. It was assigned to this individual provider in the NPPES registry on July 14, 2009. The provider is also known as Tammy Lynn Swinford.

Q: What is Tammy Dexter's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Q: When was this NPI record last updated?

The NPPES record for Tammy Dexter was last updated on October 30, 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.

Active since July 14, 2009PECOS Enrolled

1908 N 14TH ST STE 203, PONCA CITY, OK 74601(580) 718-4501(580) 718-4581 Get Directions Write a Review

NPPES record last updated: October 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 9, 2021, Sep 16, 2020, Dec 14, 2018 (3 updates tracked since 2018).

On this page

About Tammy Lynn Dexter Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY LYNN DEXTER CNM (NPI 1013147842) is an individual advanced practice midwife in Ponca City, Oklahoma, licensed in Oklahoma (R0073214) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013147842

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameTAMMY LYNN DEXTERCredential: CNM

Location Address1908 N 14TH ST STE 203Ponca City, OK 74601-2039

Mailing Address1908 N 14th St Ste 203Ponca City, OK 74601-2039 · (580) 718-4501 · Fax (580) 718-4581

Phone(580) 718-4501

Fax(580) 718-4581

Sole ProprietorNo

Enumeration DateJuly 14, 2009

Last NPPES UpdateOctober 30, 20243 updates tracked since enumeration

NPPES CertifiedOctober 30, 2024

✔ NPI 1013147842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in OK · R0073214

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

1908 N 14TH ST STE 203, Ponca City, OK 74601

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Other Names 1

Former Name (1)Tammy Lynn Swinford

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Mending Health, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tammy Lynn Dexter Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Tammy Dexter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cherokee Nation

63 mi

Multi-Specialty

395200 W 2900 RD
Ochelata, OK 74051

Reassigned Medicare billing, Texas enrollment
1,047 clinicians in this Medicare group

NPI 1871972430 (918) 535-6000

Integris Ambulatory Care Corporation

81 mi

Family Medicine

3001 QUAIL SPRINGS PKWY
Oklahoma City, OK 73134

Reassigned Medicare billing, Oklahoma enrollment
1,058 clinicians in this Medicare group

NPI 1750333936 (405) 951-2298

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$66.48 typical visit price

range $16.68 – $132.40

Typical copayment $16.62 (range $4.17 – $33.10)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARA BETH MARR APRN

Advanced Practice Midwife

1908 N 14TH ST STE 203
PONCA CITY, OK 74601

Kay County (580) 718-4501

DR. GUILLERMO ROBLES DO

Obstetrics & Gynecology

1908 N 14TH ST STE 203
PONCA CITY, OK 74601

Kay County (580) 718-4501

MR. TIMOTHY CHARLES HOEKSTRA MD

Obstetrics & Gynecology

1908 N 14TH ST STE 203
PONCA CITY, OK 74601

Kay County (580) 718-4501

KAY COUNTY OKLAHOMA HOSPITAL COMPANY LLC

Clinic/Center (Rural Health)

1908 N 14TH ST STE 203
PONCA CITY, OK 74601

Kay County (580) 718-4501

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 Dexter's NPI number?

The NPI number for Tammy Dexter is 1013147842. It was assigned to this individual provider in the NPPES registry on July 14, 2009. The provider is also known as Tammy Lynn Swinford.

Where is Tammy Dexter located?

Tammy Dexter practices at 1908 N 14th St Ste 203, Ponca City, OK 74601. The listed phone number is (580) 718-4501.

What is Tammy Dexter's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Tammy Dexter enrolled in Medicare?

Yes. Tammy Dexter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tammy Dexter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Dexter reassigns Medicare benefits to 2 organizations: Cherokee Nation (Ochelata, OK) and Integris Ambulatory Care Corporation (Oklahoma City, 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 Tammy Dexter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammy Dexter accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and UnitedHealthcare list Tammy Dexter 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 Dexter was last updated on October 30, 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.