Mary Zaky, MD
NPI 1265437610 · Internal Medicine Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Zaky, MD is a Internal Medicine Physician provider in La Crosse, WI (NPI 1265437610).
Provider details
- NPI number
- 1265437610
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 44830 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
372 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 147 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $61 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 20 | $15 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare EnrollmentG0402 | 11 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 455 | 117 |
| Amlodipine Besylate | 344 | 85 |
| Omeprazole | 337 | 85 |
| Levothyroxine Sodium | 295 | 73 |
| Lisinopril | 290 | 72 |
| Simvastatin | 217 | 56 |
| Gabapentin | 198 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$677 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-14
- Last updated
- 2015-06-02
Frequently asked questions
- What is Mary Zaky's NPI number?
- Mary Zaky's National Provider Identifier (NPI) is 1265437610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Zaky's specialty?
- Mary Zaky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Zaky located?
- Mary Zaky's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Mary Zaky's phone number?
- The practice phone number listed in the NPPES registry for Mary Zaky is (608) 782-7300.
- Does Mary Zaky accept Medicare?
- Mary Zaky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Zaky's NPI active?
- Yes — Mary Zaky's NPI (1265437610) is active in the NPPES registry as of the last update on 2015-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.