Zaki Chowdhury, M.D.
NPI 1366456022 · Internal Medicine Physician · Ste Genevieve, MO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zaki Chowdhury, M.D. is a Internal Medicine Physician provider in Ste Genevieve, MO (NPI 1366456022).
Provider details
- NPI number
- 1366456022
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036109297 (IL)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
66 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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 24 | $25 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 24 | $124 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 18 | $179 |
Typical Medicare-allowed amounts for these services range $25–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 282 | 76 |
| Alendronate Sodium | 220 | 45 |
| Rosuvastatin Calcium | 182 | 52 |
| Levothyroxine Sodium | 179 | 40 |
| Semaglutidebrand: Ozempic | 114 | 26 |
| Gabapentin | 111 | 24 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 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
Additional practice locations (1)
- 3020 35th StOak Brook, IL 60523-2638Phone: (618) 731-0188Fax: (630) 541-7534
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Zaki Chowdhury's NPI number?
- Zaki Chowdhury's National Provider Identifier (NPI) is 1366456022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zaki Chowdhury's specialty?
- Zaki Chowdhury is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zaki Chowdhury located?
- Zaki Chowdhury's practice location on file with NPPES is 575 Pine Dr, Ste Genevieve, MO 63670-1446.
- What is Zaki Chowdhury's phone number?
- The practice phone number listed in the NPPES registry for Zaki Chowdhury is (573) 883-7474.
- Does Zaki Chowdhury accept Medicare?
- Zaki Chowdhury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zaki Chowdhury's NPI active?
- Yes — Zaki Chowdhury's NPI (1366456022) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.