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MARY DIANNE CHAMBERS MD
NPI 1790737674
Obstetrics & Gynecology in Norman, OK

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
3440 RC LUTTRELL DR STE 200, NORMAN, OK 73072(405) 360-1264(405) 321-8683 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Dianne Chambers Md NPPES

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

MARY DIANNE CHAMBERS MD (NPI 1790737674) is an individual obstetrics & gynecology provider in Norman, Oklahoma, licensed in Oklahoma (20216) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Norman Regional, and is a graduate of University Of Oklahoma College Of Medicine (1996).

NPPES Registry Identity

NPI1790737674
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARY DIANNE CHAMBERSCredential: MD
Location Address3440 RC LUTTRELL DR STE 200Norman, OK 73072-9005
Mailing Address3440 Rc Luttrell Dr Ste 200Norman, OK 73072-9005 · (405) 360-1264 · Fax (405) 321-8683
Phone(405) 360-1264
Fax(405) 321-8683
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1996
Enumeration DateMay 17, 2006
Last NPPES UpdateNovember 8, 2024
NPPES CertifiedNovember 8, 2024
✔ NPI 1790737674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in OK · 20216✔ Licensed in TX · L0263
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3440 RC LUTTRELL DR STE 200, Norman, OK 73072
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and more.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

Mary Dianne Chambers 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.

PECOS PAC ID2264494426
PECOS Enrollment IDI20090724000083
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

2

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

Norman Regional Providers Specialty Care
0.1 mi
Surgery
3500 HEALTHPLEX PKWY STE 200
Norman, OK 73072
  • Reassigned Medicare billing, Oklahoma enrollment
  • 218 clinicians in this Medicare group
NPI 1548513773 (405) 515-2222
Obhg Oklahoma, P.C.
105 mi
Obstetrics & Gynecology
1923 S UTICA AVE
Tulsa, OK 74104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 68 clinicians in this Medicare group
NPI 1043595374 (918) 744-2345

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.

Norman Regional

Acute Care Hospitals · Norman, OK
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number370008
Location3300 Healthplex PkwyNorman, OK 73072 · Cleveland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73072 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
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 13

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

MARY KATLIN NIXON MD
Obstetrics & Gynecology
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 360-1264
MRS. KRISTINA M JONES APRN-CNP
Nurse Practitioner (Family)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 360-1264
ROBIN ANTOSH APRN-CNP
Nurse Practitioner (Family)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 307-1000
MRS. AUDRA NICOLE STANFIELD CNP
Nurse Practitioner (Women's Health)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 307-1000
MRS. JENNIFER LYNN WEST A.R.N.P.
Nurse Practitioner (Women's Health)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 360-1264
STACEY L SIEMERS APRN
Nurse Practitioner (Family)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 307-1000
MELLISSA HOWARD WHNP
Obstetrics & Gynecology
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 360-1264
LESLIE J. OLLAR-SHOEMAKE, D.O., P.C.
Obstetrics & Gynecology
3440 RC LUTTRELL DR STE 200
NORMAN, OK 73072
Cleveland County (405) 360-1264

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 Mary Chambers's NPI number?

The NPI number for Mary Chambers is 1790737674. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Mary Chambers located?

Mary Chambers practices at 3440 Rc Luttrell Dr Ste 200, Norman, OK 73072. The listed phone number is (405) 360-1264.

What is Mary Chambers's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mary Chambers enrolled in Medicare?

Yes. Mary Chambers 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 organizations bill Medicare for Mary Chambers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Chambers reassigns Medicare benefits to 2 organizations: Norman Regional Providers Specialty Care (Norman, OK) and Obhg Oklahoma, P.C. (Tulsa, 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 Mary Chambers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Chambers 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 Mary Chambers 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 Mary Chambers affiliated with any hospitals?

According to CMS data, Mary Chambers is affiliated with Norman Regional.

When was this NPI record last updated?

The NPPES record for Mary Chambers was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.