Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK MANN, M.D., P.C.
NPI 1942331061
Family Medicine in Clinton, OK

Active since March 08, 2007
90 N 30TH ST STE 1, CLINTON, OK 73601(580) 323-0232(580) 331-1410 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 23, 2026, Dec 8, 2025, Dec 5, 2025 and 1 more (4 updates tracked since 2025).

About Mark Mann, M.d., P.c. NPPES

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

MARK MANN, M.D., P.C. (NPI 1942331061), doing business as Western Plains Family Medicine, is a healthcare organization registered as a family medicine in Clinton, Oklahoma and active in the NPI registry since March 2007. The organization maintains 2 additional practice locations and lists Mark Blaine Mann, Owner, as its authorized official.

NPPES Registry Identity

NPI1942331061
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameMARK MANN, M.D., P.C.
Location Address90 N 30TH ST STE 1Clinton, OK 73601-3100
Mailing Address90 N 30th St, Suite 4Clinton, OK 73601-3101 · (580) 323-0232 · Fax (580) 331-1410
Fax(580) 331-1410
Organization SubpartNo
Authorized OfficialMark Blaine MannOwner · (580) 323-0232
Enumeration DateMarch 8, 2007
Last NPPES UpdateSeptember 23, 20264 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1942331061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OK · 20775
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
90 N 30TH ST STE 1, Clinton, OK 73601

Other Names 1

Former Legal Business NameWestern Plains Family Medicine

Secondary Practice Locations 2

Location 190 N 30th St, SUITE 4Clinton, OK 73601-3101 · Phone (580) 323-0232 · Fax (580) 331-1410
Location 2800 Frisco AveClinton, OK 73601-3306 · Phone (580) 323-2700 · Fax (580) 323-2276

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Mann, M.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateOklahomaEnrollment IDO20080925000068Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mark Mann, M.D., P.C., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Family Practice
NPI 1184649584
90 N. 30TH STREET SUITE 1
Clinton, OK 73601
(580) 323-0232
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1174108518
90 N 30TH ST STE 1
Clinton, OK 73601
(580) 323-0232
✔ PECOS✔ Accepts MedicareSame address

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

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 Mark Mann, M.D., P.C.'s NPI number?

The NPI number for Mark Mann, M.D., P.C. is 1942331061. It was assigned to this organization in the NPPES registry on March 8, 2007. The provider was formerly known as Western Plains Family Medicine.

Where is Mark Mann, M.D., P.C. located?

Mark Mann, M.D., P.C. is located at 90 N 30th St Ste 1, Clinton, OK 73601. The listed phone number is (580) 323-0232.

What is Mark Mann, M.D., P.C.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Mann, M.D., P.C. enrolled in Medicare?

Yes. Mark Mann, M.D., P.C. is registered in the Medicare PECOS enrollment system.

When is Mark Mann, M.D., P.C.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Oklahoma, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Mark Mann, M.D., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Mark Mann, M.D., P.C., in Family Practice and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mark Mann, M.D., P.C. was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.