Doctor profile · Federal record
Dr. Mark Operario, M.D.
Family Medicine Physician (CMS: Internal Medicine) · Columbia, LA
- NPI 1720099344
- Accepts Medicare
- 41 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
412 Main Street
Columbia, LA 71418
(318) 649-6111
fax (318) 649-5094 - Mailing address
-
370 Hearn Island
Columbia, LA 71418
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Louisiana #MD11362R
- Medicaid
- LA #1661881
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720099344. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
791
Distinct HCPCS
3
Medicare allowed
$45,324
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 652 | 99 | $48 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 71 | 61 | $124 | |
99238 |
Hospital discharge day management, 30 minutes or less | 68 | 57 | $77 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 118. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,983
Patients
1,333
Total drug cost
$105,258
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 811 | 170 | $24,443 |
| Amlodipine Besylate | Generic | 694 | 128 | $4,069 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 692 | 95 | $9,645 |
| Gabapentin | Generic | 616 | 108 | $7,807 |
| Rosuvastatin Calcium | Generic | 591 | 101 | $8,866 |
| Metoprolol Succinate | Generic | 587 | 103 | $7,321 |
| Atorvastatin Calcium | Generic | 539 | 109 | $6,238 |
| Omeprazole | Generic | 497 | 91 | $5,623 |
| Pantoprazole Sodium | Generic | 330 | 69 | $3,958 |
| Fluticasone Propionate | Generic | 285 | 70 | $4,077 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Operario's medical specialty?
Dr. Mark Operario practices Family Medicine Physician in Columbia, LA.
Where does Dr. Mark Operario practice?
Dr. Mark Operario practices at 412 Main Street, Columbia, LA 71418. Office phone: 3186496111.
What is Dr. Mark Operario's NPI?
Dr. Mark Operario's National Provider Identifier (NPI) is 1720099344, issued by NPPES.
Does Dr. Mark Operario accept Medicare assignment?
Yes. Dr. Mark Operario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Operario commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.