HARMONY ANN SIERENS (M.D.) – Pediatric Rehabilitation Medicine Physician, NPI 1326201252
Pediatric Rehabilitation Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
565 PHYSICAL MEDICINE AND REHABILITATION in MI
Provider Addresses for HARMONY ANN SIERENS (M.D.)
4632 GENESYS PKWY
GRAND BLANC, MI 484398067
Phone: (810) 606-7181
Fax: (810) 606-7174
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 43 Open Payments records for all available years, with a total value of $997.
Total Amount is formed as General ($997) + Research ($0) + Ownership ($0) = $997.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Ipsen Biopharmaceuticals, Inc ($394).
Total Amount
$997
General + Research + Ownership
Payments
43
Total payment records
General Amount
$997
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ipsen Biopharmaceuticals, Inc | $394 |
| ABBVIE INC. | $351 |
| Averitas Pharma Inc. | $148 |
| Azurity Pharmaceuticals, Inc. | $31 |
| SI-BONE, INC. | $25 |
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: 2012-08-07
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 |
|---|---|---|---|---|
| I20120807000801 | I | Physical Medicine And Rehabilitation | MI | 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 | 812 | 134 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 193 | 120 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 126 | 118 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 92 | 85 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 24 | 15 | $0 |
Insurance plans in this area (ZIP 48439)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Medicine And Rehabilitation | MI | |
| Nurse Practitioner | MI | |
| Physical Medicine And Rehabilitation | MI | |
| - | MI | |
| Physical Medicine And Rehabilitation, Sports Medicine | WI | |
| Nurse Practitioner | MI |
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