JOHN DALE II GRIZZLE (M.D.) – Family Medicine Physician, NPI 1255396073
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,775 FAMILY PRACTICE in OK
Provider Addresses for JOHN DALE II GRIZZLE (M.D.)
15800 S WESTERN AVE
OKLAHOMA CITY, OK 731709393
Phone: (405) 793-1300
Fax: (405) 805-6611
Type: Mailing
North Independence Avenue, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
OKLAHOMA CITY, OK 731125555
Phone: (405) 317-1266
Fax: (405) 604-6007
Type: Mailing
North Portland Avenue, Oklahoma City, Oklahoma County, Oklahoma, 73120, United States
OKLAHOMA CITY, OK 731121673
Phone: (405) 317-1266
Fax: (405) 604-6007
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $55.
Total Amount is formed as General ($55) + Research ($0) + Ownership ($0) = $55.
Last reported payment date: 2023-10-24 • Largest payer in this snapshot: Orexo US, Inc. ($40).
Total Amount
$55
General + Research + Ownership
Payments
4
Total payment records
General Amount
$55
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Orexo US, Inc. | $40 |
| Halozyme Inc | $15 |
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: 2004-11-05
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 |
|---|---|---|---|---|
| I20041105000673 | I | Family Practice | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 732 | 78 | $0 |
| 80305 | Testing for presence of drug, read by direct observation | 283 | 68 | $0 |
Insurance plans in this area (ZIP 73170)
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