Doctor profile · Federal record
Dr. Nathaniel Stewart, MD
Family Medicine Physician (CMS: Internal Medicine) · Granger, IN
- NPI 1063773422
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
12563 State RD 23
Granger, IN 465309226
(574) 335-8300
fax (574) 335-0775 - Additional location
-
1122 S Ironwood Dr
South Bend, IN 46615
(574) 335-8399
fax (574) 335-0786 - Additional location
-
1949 Hospital Dr
Martinsville, IN 461511861
(765) 342-8383
fax (765) 349-8413 - Mailing address
-
707 Cedar St Ste 200
South Bend, IN 466172057
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- June 25, 2024
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Indiana #01073332A
- Medicaid
- IN #201087310
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063773422. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,524
Distinct HCPCS
10
Medicare allowed
$176,644
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 526 | 306 | $83 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 449 | 303 | $118 | |
36415 |
Insertion of needle into vein for collection of blood sample | 347 | 264 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 250 | 250 | $120 | |
83036 |
Hemoglobin a1c level | 193 | 119 | $9 | |
G0008 |
Administration of influenza virus vaccine | 114 | 114 | $28 | |
90662 |
Influenza vaccine split virus, preservative free | 104 | 104 | $71 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 99 | 40 | $21 | |
G0009 |
Administration of pneumococcal vaccine | 48 | 48 | $29 | |
96127 |
Assessment of emotional or behavioral problems | 41 | 30 | $4 |
In context: peer comparison
Among 14 peers in Granger Family Medicine Physician, average services per provider: 85. This provider delivers 30× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,752
Patients
1,718
Total drug cost
$59,588
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,088 | 331 | $11,426 |
| Lisinopril | Generic | 655 | 188 | $4,765 |
| Levothyroxine Sodium | Generic | 595 | 167 | $8,276 |
| Amlodipine Besylate | Generic | 584 | 167 | $3,491 |
| Hydrochlorothiazide | Generic | 400 | 132 | $1,783 |
| Losartan Potassium | Generic | 398 | 119 | $4,585 |
| Metformin Hcl | Generic | 284 | 86 | $2,283 |
| Pantoprazole Sodium | Generic | 262 | 77 | $3,758 |
| Furosemide | Generic | 242 | 62 | $895 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 219 | 66 | $3,433 |
Frequently asked questions
What is Dr. Nathaniel Stewart's medical specialty?
Dr. Nathaniel Stewart practices Family Medicine Physician in Granger, IN.
Where does Dr. Nathaniel Stewart practice?
Dr. Nathaniel Stewart practices at 12563 State RD 23, Granger, IN 465309226. Office phone: 5743358300.
What is Dr. Nathaniel Stewart's NPI?
Dr. Nathaniel Stewart's National Provider Identifier (NPI) is 1063773422, issued by NPPES.
Does Dr. Nathaniel Stewart accept Medicare assignment?
Yes. Dr. Nathaniel Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Stewart commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.