Doctor profile · Federal record
Dr. Nathan Griswold, PAC
Physician Assistant · Grand Rapids, MI
- NPI 1336305150
- Accepts Medicare
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Michigan St Ne, Suite 8830
Grand Rapids, MI 495032560
(616) 459-7258
fax (616) 459-5215
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- October 25, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Michigan #5601005279
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336305150. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$42
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lsi Solutions INC | 1 | $28.48 | |
| Getinge USA Sales, LLC | 1 | $13.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
196
Patients
149
Total drug cost
$1,450
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amiodarone Hcl | Generic | 41 | 38 | $397 |
| Methocarbamol | Generic | 36 | 35 | $193 |
| Furosemide | Generic | 24 | 20 | $21 |
| Oxycodone Hcl | Generic | 24 | 23 | $90 |
| Potassium Chloride | Generic | 24 | 20 | $72 |
| Metoprolol Succinate | Generic | 21 | 13 | $423 |
| Carvedilol | Generic | 13 | 0 | $126 |
| Isosorbide Mononitrate ER (Isosorbide Mononitrate) | Brand | 13 | 0 | $129 |
Frequently asked questions
What is Dr. Nathan Griswold's medical specialty?
Dr. Nathan Griswold practices Physician Assistant in Grand Rapids, MI.
Where does Dr. Nathan Griswold practice?
Dr. Nathan Griswold practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6164597258.
What is Dr. Nathan Griswold's NPI?
Dr. Nathan Griswold's National Provider Identifier (NPI) is 1336305150, issued by NPPES.
Does Dr. Nathan Griswold accept Medicare assignment?
Yes. Dr. Nathan Griswold accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.