MARY DIANNE CHAMBERS (MD) – Obstetrics & Gynecology Physician, NPI 1790737674
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
480 OBSTETRICS/GYNECOLOGY in OK
Provider Addresses for MARY DIANNE CHAMBERS (MD)
3440 RC LUTTRELL DR STE 200
NORMAN, OK 730729005
Phone: (405) 360-1264
Fax: (405) 321-8683
Type: Location
500, East Robinson Street, Norman, Cleveland County, Oklahoma, 73071, United States
SUITE 2400
NORMAN, OK 730716684
Phone: (405) 360-1264
Fax: (405) 321-8683
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 50 Open Payments records for all available years, with a total value of $924.
Total Amount is formed as General ($924) + Research ($0) + Ownership ($0) = $924.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Astellas Pharma US Inc ($168).
Total Amount
$924
General + Research + Ownership
Payments
50
Total payment records
General Amount
$924
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $168 |
| Organon LLC | $163 |
| MAYNE PHARMA COMMERCIAL LLC | $145 |
| ABBVIE INC. | $114 |
| Sage Therapeutics, Inc. | $77 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-07-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090724000083 | I | Obstetrics/Gynecology | OK | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 73072)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | OK | |
| Cardiovascular Disease (Cardiology), Internal Medicine | OK | |
| Critical Care (Intensivists), Pulmonary Disease | OK | |
| Cardiovascular Disease (Cardiology), Internal Medicine | OK | |
| - | OK | |
| - | OK | |
| Critical Care (Intensivists), Pulmonary Disease, Internal Medicine | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK | |
| G A S T R O E N T E R O L O G Y | OK | |
| - | OK |
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