HORIA M TATU (M.D.) – Internal Medicine Physician, NPI 1093833535
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,157 EMERGENCY MEDICINE in MI
Provider Addresses for HORIA M TATU (M.D.)
2191 SOUTH BLVD
AUBURN HILLS, MI 483263481
Phone: (248) 724-1420
Fax: (248) 724-1430
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $4,076.
Total Amount is formed as General ($68) + Research ($4,008) + Ownership ($0) = $4,076.
Last reported payment date: 2023-08-24 • Largest payer in this snapshot: PFIZER INC. ($4,008).
Total Amount
$4,076
General + Research + Ownership
Payments
2
Total payment records
General Amount
$68
General payments
Research Amount
$4,008
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $4,008 |
| Lundbeck LLC | $68 |
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: 2021-03-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070702000310 | I | Emergency Medicine | MI | TBD |
| I20210317000745 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 89 | 88 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 47 | 44 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 26 | 24 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 22 | 21 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 13 | 13 | $0 |
Insurance plans in this area (ZIP 48326)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MI | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| Family Practice | MI | |
| Emergency Medicine | IL | |
| - | GA | |
| Emergency Medicine | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Emergency Medicine | MI |
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