Doctor profile · Federal record
Dr. Jon Mares, D.O.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Covington, LA
- NPI 1023375300
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1970 N Highway 190
Covington, LA 704335364
(985) 867-8585
fax (985) 867-3644 - Mailing address
-
Po Box 3370
Covington, LA 704343370
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- September 17, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Illinois #036.151545 · Texas #Q6769
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023375300. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
313
Distinct HCPCS
7
Medicare allowed
$39,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 135 | 59 | $76 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 44 | 23 | $329 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 39 | 27 | $114 | |
90935 |
Hemodialysis procedure with physician evaluation | 36 | 21 | $69 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 25 | $167 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 14 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $125 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 106. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$82
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 3 | $51.72 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $29.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
69
Patients
0
Total drug cost
$519
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 19 | 0 | $121 |
| Carvedilol | Generic | 19 | 0 | $123 |
| Furosemide | Generic | 16 | 0 | $25 |
| Olmesartan Medoxomil | Generic | 15 | 0 | $250 |
Frequently asked questions
What is Dr. Jon Mares's medical specialty?
Dr. Jon Mares practices Nephrology Physician in Covington, LA.
Where does Dr. Jon Mares practice?
Dr. Jon Mares practices at 1970 N Highway 190, Covington, LA 704335364. Office phone: 9858678585.
What is Dr. Jon Mares's NPI?
Dr. Jon Mares's National Provider Identifier (NPI) is 1023375300, issued by NPPES.
Does Dr. Jon Mares accept Medicare assignment?
Yes. Dr. Jon Mares accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jon Mares commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.