Syed Muzzammiluddin, MD
NPI 1255983110 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Muzzammiluddin, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1255983110).
Provider details
- NPI number
- 1255983110
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,023 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 444 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 194 | $115 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 135 | $50 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 112 | $121 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 100 | $176 |
| Advance Care Planning, First 30 Minutes99497 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 43 | 42 |
| Pantoprazole Sodium | 33 | 32 |
| Metoprolol Succinate | 26 | 21 |
| Metoprolol Tartrate | 22 | 22 |
| Prednisone | 21 | 20 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 18 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-11
- Last updated
- 2022-07-28
- Certified
- 2022-07-28
Frequently asked questions
- What is Syed Muzzammiluddin's NPI number?
- Syed Muzzammiluddin's National Provider Identifier (NPI) is 1255983110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Muzzammiluddin's specialty?
- Syed Muzzammiluddin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Muzzammiluddin located?
- Syed Muzzammiluddin's practice location on file with NPPES is 4646 N Marine Dr, Chicago, IL 60640-5759.
- What is Syed Muzzammiluddin's phone number?
- The practice phone number listed in the NPPES registry for Syed Muzzammiluddin is (773) 564-5225.
- Does Syed Muzzammiluddin accept Medicare?
- Syed Muzzammiluddin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Muzzammiluddin's NPI active?
- Yes — Syed Muzzammiluddin's NPI (1255983110) is active in the NPPES registry as of the last update on 2022-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.