DR. HAMID REZA SIMA (M.D.) – Hepatology Physician, NPI 1619231073
Hepatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
143 GASTROENTEROLOGY in OK
Provider Addresses for DR. HAMID REZA SIMA (M.D.)
5300 N INDEPENDENCE AVE STE 280
OKLAHOMA CITY, OK 731125555
Phone: (405) 949-3349
Type: Mailing
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 731124418
Phone: (405) 949-3349
Fax: (405) 945-5647
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 42 Open Payments records for all available years, with a total value of $694.
Total Amount is formed as General ($694) + Research ($0) + Ownership ($0) = $694.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Gilead Sciences, Inc. ($327).
Total Amount
$694
General + Research + Ownership
Payments
42
Total payment records
General Amount
$694
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2019-07-27
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 |
|---|---|---|---|---|
| I20190727000369 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 190 | 159 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 118 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 85 | 77 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 41 | 16 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $0 |
Insurance plans in this area (ZIP 73112)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | CO | |
| Anesthesiology, Critical Care (Intensivists) | OK | |
| Internal Medicine, Gastroenterology | GA | |
| Physician Assistant | OK | |
| U R O L O G Y | OK | |
| Family Practice, Hospitalist | OK | |
| Nurse Practitioner | OK | |
| General Surgery | OK |
Reviews
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