Doctor profile · Federal record

Dr. John Mercke, MD

Family Medicine Physician (CMS: Family Practice) · Leesville, LA

  • NPI 1821594763
  • Accepts Medicare
  • MIPS 57.1 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1020 W Fertitta Blvd
Leesville, LA 714464645
(337) 392-6203
Additional location
301 4Th St
Alexandria, LA 713018411
(318) 441-1030
Mailing address
700 S 6Th St
Leesville, LA 714464719

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
October 8, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Louisiana #328002

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821594763. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
744
Distinct HCPCS
6
Medicare allowed
$81,614
HCPCS Description Services Patients Avg allowed
99239 Hospital discharge day management, more than 30 minutes 296 253 $108
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 244 153 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 69 68 $167
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 66 52 $113
99291 Critical care, first 30-74 minutes 53 25 $207
99238 Hospital discharge day management, 30 minutes or less 16 16 $77

In context: peer comparison

Among 4 peers in Leesville Family Medicine Physician, average services per provider: 142. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
403
Patients
309
Total drug cost
$4,051
Drug Type Claims Patients Total cost
Methylprednisolone Generic 61 55 $579
Cefdinir Generic 56 53 $568
Azithromycin Generic 42 40 $176
Levofloxacin Generic 33 31 $175
Gabapentin Generic 23 11 $268
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 20 $133
Diclofenac Sodium Generic 21 19 $575
Famotidine Generic 21 18 $189
Sucralfate Generic 21 12 $558
Clopidogrel (Clopidogrel Bisulfate) Brand 18 0 $168

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mercke's medical specialty?
Dr. John Mercke practices Family Medicine Physician in Leesville, LA.
Where does Dr. John Mercke practice?
Dr. John Mercke practices at 1020 W Fertitta Blvd, Leesville, LA 714464645. Office phone: 3373926203.
What is Dr. John Mercke's NPI?
Dr. John Mercke's National Provider Identifier (NPI) is 1821594763, issued by NPPES.
Does Dr. John Mercke accept Medicare assignment?
Yes. Dr. John Mercke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mercke commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.