Doctor profile · Federal record
Dr. Regina Koorndyk, PA
Physician Assistant · Grand Rapids, MI
- NPI 1417050535
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Lake Dr Se Ste 200
Grand Rapids, MI 495468292
(616) 391-3759
fax (616) 391-3052 - Mailing address
-
100 Michigan St Ne, Mc845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 25, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Michigan #5601004505
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417050535. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
141
Distinct HCPCS
4
Medicare allowed
$15,814
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 70 | 61 | $144 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 35 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 17 | $72 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 14 | 12 | $27 |
In context: peer comparison
Among 234 peers in Grand Rapids Physician Assistant, average services per provider: 56. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$1,066
Transactions
37
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, INC. | 18 | $461.34 | |
| Jazz Pharmaceuticals INC. | 7 | $356.44 | |
| Avadel CNS Pharmaceuticals, LLC | 4 | $75.68 | |
| Axsome Therapeutics, INC. | 3 | $70.04 | |
| Idorsia Pharmaceuticals US INC | 3 | $56.23 | |
| Harmony Biosciences LLC | 1 | $29.01 | |
| Zoll Respicardia, INC. | 1 | $17.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
198
Patients
0
Total drug cost
$9,413
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 36 | 0 | $1,014 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 24 | 0 | $1,169 |
| Dextroamphetamine-Amphet ER (Dextroamphetamine/Amphetamine) | Brand | 18 | 0 | $1,135 |
| Trazodone Hcl | Generic | 18 | 0 | $178 |
| Methylphenidate Hcl | Generic | 17 | 0 | $478 |
| Modafinil | Generic | 17 | 0 | $3,307 |
| Zolpidem Tartrate ER (Zolpidem Tartrate) | Brand | 17 | 0 | $697 |
| Clonazepam | Generic | 14 | 0 | $120 |
| Zolpidem Tartrate | Generic | 14 | 0 | $586 |
| Dextroamphetamine Sulfate | Generic | 12 | 0 | $702 |
Hospital affiliations
Frequently asked questions
What is Dr. Regina Koorndyk's medical specialty?
Dr. Regina Koorndyk practices Physician Assistant in Grand Rapids, MI.
Where does Dr. Regina Koorndyk practice?
Dr. Regina Koorndyk practices at 4100 Lake Dr Se Ste 200, Grand Rapids, MI 495468292. Office phone: 6163913759.
What is Dr. Regina Koorndyk's NPI?
Dr. Regina Koorndyk's National Provider Identifier (NPI) is 1417050535, issued by NPPES.
Does Dr. Regina Koorndyk accept Medicare assignment?
Yes. Dr. Regina Koorndyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Regina Koorndyk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.