Syed Hussain, M.D
NPI 1588818777 · Internal Medicine Physician · Saint Charles, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Hussain, M.D is a Internal Medicine Physician provider in Saint Charles, MO (NPI 1588818777).
Provider details
- NPI number
- 1588818777
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 036125533 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
794 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 327 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 192 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 125 | $109 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 63 | $71 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 25 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 47 | 41 |
| Furosemide | 31 | 28 |
| Apixabanbrand: Eliquis | 28 | 17 |
| Prednisone | 25 | 24 |
| Amlodipine Besylate | 22 | — |
| Tamsulosin Hcl | 21 | — |
| Carvedilol | 20 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2008-11-14
- Last updated
- 2020-05-15
- Certified
- 2020-05-15
Frequently asked questions
- What is Syed Hussain's NPI number?
- Syed Hussain's National Provider Identifier (NPI) is 1588818777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Hussain's specialty?
- Syed Hussain is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Hussain located?
- Syed Hussain's practice location on file with NPPES is 300 1st Capitol Dr, Saint Charles, MO 63301-2844.
- What is Syed Hussain's phone number?
- The practice phone number listed in the NPPES registry for Syed Hussain is (636) 947-5207.
- Does Syed Hussain accept Medicare?
- Syed Hussain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Hussain's NPI active?
- Yes — Syed Hussain's NPI (1588818777) is active in the NPPES registry as of the last update on 2020-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.