DR. ERDEM AKTUNC (MD) – Internal Medicine Physician, NPI 1306004114
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
645 HOSPITALIST in OR
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Provider Addresses for DR. ERDEM AKTUNC (MD)
16620 N US HIGHWAY 281 STE 300
SAN ANTONIO, TX 782322679
Phone: (210) 871-4701
Type: Mailing
2529, Patricia Avenue, Ontario, Malheur County, Oregon, 97914, United States
ONTARIO, OR 979145306
Phone: (201) 456-8560
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $19.
Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.
Last reported payment date: 2023-03-08 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($19).
Total Amount
$19
General + Research + Ownership
Payments
1
Total payment records
General Amount
$19
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $19 |
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: 2013-10-08
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 |
|---|---|---|---|---|
| I20131008001601 | I | Hospitalist | TX | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 966 | 327 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 236 | 223 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 207 | 93 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 87 | 85 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 66 | 64 | $0 |
Insurance plans in this area (ZIP 78232)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | WI | |
| Internal Medicine, Internal Medicine, Hospitalist, Hospitalist | NM | |
| Internal Medicine | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Hospitalist, Internal Medicine | TX | |
| Internal Medicine | CO | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Internal Medicine | TX |
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