Doctor profile · Federal record
Dr. Jon Maher, M.D.
Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Cresco, IA
- NPI 1598769945
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
321 8Th Ave W
Cresco, IA 521361064
(563) 547-2022
fax (563) 547-4340 - Additional location
-
1624 S Grand Ave
Charles City, IA 506163653
(641) 228-5555
fax (641) 228-5556
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- April 6, 2026
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Iowa #27683
- Medicaid (2)
- MN #502370000 · IA #6056317
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598769945. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
30
Distinct HCPCS
2
Medicare allowed
$1,912
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 19 | 15 | $74 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 11 | 11 | $46 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 73. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,862
Patients
487
Total drug cost
$27,981
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 290 | 82 | $4,939 |
| Lisinopril | Generic | 180 | 44 | $2,946 |
| Warfarin Sodium | Generic | 171 | 18 | $1,369 |
| Levothyroxine Sodium | Generic | 153 | 37 | $2,945 |
| Metoprolol Tartrate | Generic | 128 | 29 | $1,255 |
| Metformin Hcl | Generic | 126 | 34 | $1,403 |
| Furosemide | Generic | 117 | 28 | $1,167 |
| Potassium Chloride | Generic | 111 | 22 | $3,816 |
| Omeprazole | Generic | 97 | 31 | $1,932 |
| Glimepiride | Generic | 92 | 23 | $1,595 |
Frequently asked questions
What is Dr. Jon Maher's medical specialty?
Dr. Jon Maher practices Family Medicine Physician in Cresco, IA.
Where does Dr. Jon Maher practice?
Dr. Jon Maher practices at 321 8Th Ave W, Cresco, IA 521361064. Office phone: 5635472022.
What is Dr. Jon Maher's NPI?
Dr. Jon Maher's National Provider Identifier (NPI) is 1598769945, issued by NPPES.
Does Dr. Jon Maher accept Medicare assignment?
Yes. Dr. Jon Maher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jon Maher commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.