Doctor profile · Federal record
Dr. Nathaniel Fullerton, MD
Internal Medicine Physician (CMS: Internal Medicine) · Fort Atkinson, WI
- NPI 1366417461
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
611 E Sherman Ave
Fort Atkinson, WI 535381960
(920) 568-5411
fax (920) 568-4004 - Mailing address
-
Po Box 249
Fort Atkinson, WI 535380249
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- April 11, 2018
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #38510-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366417461. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
514
Distinct HCPCS
8
Medicare allowed
$48,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 195 | 112 | $74 | |
99239 |
Hospital discharge day management, more than 30 minutes | 146 | 137 | $108 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 52 | 40 | $112 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 43 | 43 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 31 | $162 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 21 | 19 | $8 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 15 | 12 | $102 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 11 | 11 | $71 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 75. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,928
Patients
240
Total drug cost
$100,652
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 254 | 33 | $3,053 |
| Gabapentin | Generic | 254 | 32 | $2,966 |
| Eliquis (Apixaban) | Brand | 193 | 29 | $71,565 |
| Furosemide | Generic | 166 | 32 | $1,322 |
| Tamsulosin Hcl | Generic | 134 | 22 | $1,939 |
| Trazodone Hcl | Generic | 114 | 22 | $1,135 |
| Omeprazole | Generic | 110 | 23 | $1,426 |
| Levothyroxine Sodium | Generic | 108 | 15 | $1,461 |
| Carvedilol | Generic | 91 | 15 | $1,165 |
| Sertraline Hcl | Generic | 91 | 0 | $1,037 |
Frequently asked questions
What is Dr. Nathaniel Fullerton's medical specialty?
Dr. Nathaniel Fullerton practices Internal Medicine Physician in Fort Atkinson, WI.
Where does Dr. Nathaniel Fullerton practice?
Dr. Nathaniel Fullerton practices at 611 E Sherman Ave, Fort Atkinson, WI 535381960. Office phone: 9205685411.
What is Dr. Nathaniel Fullerton's NPI?
Dr. Nathaniel Fullerton's National Provider Identifier (NPI) is 1366417461, issued by NPPES.
Does Dr. Nathaniel Fullerton accept Medicare assignment?
Yes. Dr. Nathaniel Fullerton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Fullerton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.