Doctor profile · Federal record
Dr. Justin Grifka
Family Nurse Practitioner (CMS: Nurse Practitioner) · Auburn, MI
- NPI 1548652860
- Accepts Medicare
- 13 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
120 E Midland RD Ste A
Auburn, MI 486119780
(989) 439-1235
fax (989) 266-3269 - Mailing address
-
1111 S Euclid Ave Ste A
Bay City, MI 487063302
Credentials & registration
- NPI registered
- February 2015 — 11 yrs on file
- Profile last updated
- December 22, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Michigan #4704265305
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548652860. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
373
Distinct HCPCS
7
Medicare allowed
$25,959
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 66 | $100 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 88 | 55 | $71 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 72 | 72 | $98 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 41 | 41 | $14 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 30 | 30 | $11 | |
83037 |
Hemoglobin a1c level, by device for home use | 15 | 11 | $10 | |
82270 |
Stool analysis for blood to screen for colon tumors | 11 | 11 | $4 |
In context: peer comparison
Among 3 peers in Auburn Family Nurse Practitioner, average services per provider: 65. This provider delivers 5.7× the peer median.Open Payments
Industry payments received
All-time total
$1,236
Transactions
70
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 19 | $367.19 | |
| Novo Nordisk INC | 18 | $250.20 | |
| AstraZeneca Pharmaceuticals Lp | 12 | $212.40 | |
| Lilly USA, LLC | 7 | $125.51 | |
| GlaxoSmithKline, LLC. | 4 | $66.34 | |
| Pfizer INC. | 3 | $56.33 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $47.41 | |
| Inspire Medical Systems, INC. | 1 | $25.28 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $22.47 | |
| Organon LLC | 1 | $22.25 | |
| Idorsia Pharmaceuticals US INC | 1 | $20.43 | |
| Exact Sciences Corporation | 1 | $19.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,266
Patients
712
Total drug cost
$137,051
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 315 | 100 | $6,043 |
| Lisinopril | Generic | 241 | 69 | $2,391 |
| Levothyroxine Sodium | Generic | 239 | 65 | $4,110 |
| Amlodipine Besylate | Generic | 184 | 58 | $2,152 |
| Omeprazole | Generic | 155 | 43 | $2,201 |
| Furosemide | Generic | 134 | 37 | $744 |
| Famotidine | Generic | 131 | 37 | $1,621 |
| Losartan Potassium | Generic | 130 | 38 | $2,906 |
| Metformin Hcl | Generic | 128 | 39 | $1,491 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 122 | 86 | $25,359 |
Hospital affiliations
Frequently asked questions
What is Dr. Justin Grifka's medical specialty?
Dr. Justin Grifka practices Family Nurse Practitioner in Auburn, MI.
Where does Dr. Justin Grifka practice?
Dr. Justin Grifka practices at 120 E Midland RD Ste A, Auburn, MI 486119780. Office phone: 9894391235.
What is Dr. Justin Grifka's NPI?
Dr. Justin Grifka's National Provider Identifier (NPI) is 1548652860, issued by NPPES.
Does Dr. Justin Grifka accept Medicare assignment?
Yes. Dr. Justin Grifka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Grifka commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.