Doctor profile · Federal record

Dr. Harmony Sierens, M.D.

Pediatric Rehabilitation Medicine Physician (CMS: Physical Medicine and Rehabilitation) · Physical Medicine & Rehabilitation Physician · Grand Blanc, MI

  • NPI 1326201252
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4632 Genesys Pkwy
Grand Blanc, MI 484398067
(810) 606-7181
fax (810) 606-7174

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
November 20, 2018
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2081P0010X — NUCC code
State license (1)
Michigan #4301092154

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326201252. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,267
Distinct HCPCS
6
Medicare allowed
$111,746
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 812 134 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 193 120 $115
99238 Hospital discharge day management, 30 minutes or less 126 118 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 92 85 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 24 15 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 19 $168

In context: peer comparison

Among 1 peers in Grand Blanc Pediatric Rehabilitation Medicine Physician, average services per provider: 211. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$549
Transactions
24
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, INC 12 $280.16
Abbvie INC. 8 $170.88
Averitas Pharma INC. 3 $72.96
Si-Bone, INC. 1 $24.50

By nature of payment

Food and Beverage
$549

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
781
Patients
113
Total drug cost
$22,358
Drug Type Claims Patients Total cost
Gabapentin Generic 142 37 $4,705
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 132 32 $3,386
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 66 0 $3,456
Baclofen Generic 64 17 $2,140
Pregabalin Generic 56 0 $4,021
Cyclobenzaprine Hcl Generic 50 12 $377
Morphine Sulfate ER (Morphine Sulfate) Brand 48 0 $987
Oxycodone Hcl Generic 43 15 $1,101
Tizanidine Hcl Generic 41 0 $471
Duloxetine Hcl Generic 29 0 $496

Frequently asked questions

Auto-generated from federal data
What is Dr. Harmony Sierens's medical specialty?
Dr. Harmony Sierens practices Pediatric Rehabilitation Medicine Physician in Grand Blanc, MI.
Where does Dr. Harmony Sierens practice?
Dr. Harmony Sierens practices at 4632 Genesys Pkwy, Grand Blanc, MI 484398067. Office phone: 8106067181.
What is Dr. Harmony Sierens's NPI?
Dr. Harmony Sierens's National Provider Identifier (NPI) is 1326201252, issued by NPPES.
Does Dr. Harmony Sierens accept Medicare assignment?
Yes. Dr. Harmony Sierens accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harmony Sierens commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.