Doctor profile · Federal record

Dr. Mary Zaky, MD

Internal Medicine Physician (CMS: Internal Medicine) · La Crosse, WI

  • NPI 1265437610
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 2, 2015
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #44830
Medicaid
WI #34351200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265437610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
339
Distinct HCPCS
4
Medicare allowed
$28,766
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 129 105 $62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 99 99 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 80 73 $93
99212 Established patient office or other outpatient visit, 10-19 minutes 31 29 $31

In context: peer comparison

Among 36 peers in La Crosse Internal Medicine Physician, average services per provider: 83. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$677
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 5 $676.64

By nature of payment

Travel and Lodging
$449
Food and Beverage
$228

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,273
Patients
783
Total drug cost
$191,261
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 440 117 $7,703
Omeprazole Generic 372 96 $5,919
Amlodipine Besylate Generic 306 70 $2,407
Lisinopril Generic 299 72 $2,540
Levothyroxine Sodium Generic 296 75 $4,111
Simvastatin Generic 258 62 $2,065
Gabapentin Generic 196 37 $3,016
Eliquis (Apixaban) Brand 167 31 $148,853
Metoprolol Succinate Generic 166 35 $3,432
Trazodone Hcl Generic 165 46 $1,954

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Zaky's medical specialty?
Dr. Mary Zaky practices Internal Medicine Physician in La Crosse, WI.
Where does Dr. Mary Zaky practice?
Dr. Mary Zaky practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Mary Zaky's NPI?
Dr. Mary Zaky's National Provider Identifier (NPI) is 1265437610, issued by NPPES.
Does Dr. Mary Zaky accept Medicare assignment?
Yes. Dr. Mary Zaky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Zaky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.