Doctor profile · Federal record
Dr. Robert Grimshaw, DO
Family Medicine Physician (CMS: Family Practice) · Birch Run, MI
- NPI 1174562912
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8470 Main St
Birch Run, MI 484159461
(989) 624-7001
fax (989) 624-8993 - Mailing address
-
1447 N Harrison St
Saginaw, MI 486024727
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 26, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Michigan #5101013846
- Medicaid
- MI #4532064
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174562912. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
407
Distinct HCPCS
7
Medicare allowed
$37,273
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 155 | 98 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 148 | 79 | $85 | |
G0008 |
Administration of influenza virus vaccine | 26 | 26 | $29 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 24 | 24 | $72 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 21 | 12 | $33 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 21 | 21 | $123 | |
G0009 |
Administration of pneumococcal vaccine | 12 | 12 | $24 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 80. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$227
Transactions
12
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $68.77 | |
| Novo Nordisk Inc | 3 | $48.49 | |
| AstraZeneca Pharmaceuticals LP | 2 | $30.10 | |
| Astellas Pharma US Inc | 1 | $17.18 | |
| Insulet Corporation | 1 | $16.34 | |
| CeQur Corporation | 1 | $16.28 | |
| Exact Sciences Corporation | 1 | $15.35 | |
| Lilly USA, LLC | 1 | $14.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,455
Patients
992
Total drug cost
$479,047
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 373 | 111 | $7,553 |
| Lisinopril | Generic | 363 | 100 | $3,616 |
| Metformin Hcl | Generic | 327 | 98 | $3,884 |
| Rosuvastatin Calcium | Generic | 322 | 97 | $9,773 |
| Levothyroxine Sodium | Generic | 254 | 68 | $4,065 |
| Omeprazole | Generic | 253 | 81 | $4,119 |
| Amlodipine Besylate | Generic | 249 | 75 | $2,629 |
| Losartan Potassium | Generic | 221 | 65 | $4,450 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 204 | 34 | $1,858 |
| Simvastatin | Generic | 161 | 44 | $2,322 |
Frequently asked questions
What is Dr. Robert Grimshaw's medical specialty?
Dr. Robert Grimshaw practices Family Medicine Physician in Birch Run, MI.
Where does Dr. Robert Grimshaw practice?
Dr. Robert Grimshaw practices at 8470 Main St, Birch Run, MI 484159461. Office phone: 9896247001.
What is Dr. Robert Grimshaw's NPI?
Dr. Robert Grimshaw's National Provider Identifier (NPI) is 1174562912, issued by NPPES.
Does Dr. Robert Grimshaw accept Medicare assignment?
Yes. Dr. Robert Grimshaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Grimshaw 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); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.