Doctor profile · Federal record
Dr. Nathan Fritz, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Anesthesiology Physician · Grand Rapids, MI
- NPI 1689014003
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1840 Wealthy St Se
Grand Rapids, MI 495062921
(616) 391-1730 - Additional location
-
1000 Harrington St
Mount Clemens, MI 480432920
(586) 493-8000 - Mailing address
-
4100 Embassy Dr Se Ste 400
Grand Rapids, MI 495462416
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- February 24, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Michigan #5101020632
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689014003. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
221
Distinct HCPCS
3
Medicare allowed
$37,019
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 122 | 120 | $175 | |
99284 |
Emergency department visit with moderate level of medical decision making | 57 | 57 | $120 | |
99291 |
Critical care, first 30-74 minutes | 42 | 42 | $210 |
In context: peer comparison
Among 50 peers in Grand Rapids Emergency Medicine Physician, average services per provider: 100. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
143
Total drug cost
$1,210
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefuroxime (Cefuroxime Axetil) | Brand | 44 | 44 | $623 |
| Prednisone | Generic | 26 | 25 | $92 |
| Cephalexin | Generic | 18 | 18 | $132 |
| Ondansetron Odt (Ondansetron) | Brand | 18 | 18 | $117 |
| Metronidazole | Generic | 14 | 14 | $107 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $99 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $41 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathan Fritz's medical specialty?
Dr. Nathan Fritz practices Emergency Medicine Physician in Grand Rapids, MI.
Where does Dr. Nathan Fritz practice?
Dr. Nathan Fritz practices at 1840 Wealthy St Se, Grand Rapids, MI 495062921. Office phone: 6163911730.
What is Dr. Nathan Fritz's NPI?
Dr. Nathan Fritz's National Provider Identifier (NPI) is 1689014003, issued by NPPES.
Does Dr. Nathan Fritz accept Medicare assignment?
Yes. Dr. Nathan Fritz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Fritz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.