Ozair Ziauddin, M.D.
NPI 1518214949 · Rheumatology Physician · Dyer, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ozair Ziauddin, M.D. is a Rheumatology Physician provider in Dyer, IN (NPI 1518214949).
Provider details
- NPI number
- 1518214949
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125061470 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,223 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 463 | $165 |
| 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 | 352 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 276 | $118 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 42 | $70 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 568 | 194 |
| Methotrexate Sodiumbrand: Methotrexate | 537 | 152 |
| Hydroxychloroquine Sulfate | 347 | 94 |
| Tramadol Hcl | 247 | 47 |
| Gabapentin | 136 | 46 |
| Upadacitinibbrand: Rinvoq | 106 | 15 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$829 across 45 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 (3)
- 1801 W Taylor StChicago, IL 60612-4795Phone: (312) 413-5569
- 3800 W 203rd St Ste 209Olympia Fields, IL 60461-1185Phone: (708) 679-2380Fax: (708) 679-2836
- 761 45th St Ste 103Munster, IN 46321-2899Phone: (219) 922-3002Fax: (219) 922-3003
Registry dates
- Enumerated
- 2012-08-03
- Last updated
- 2023-08-15
- Certified
- 2023-08-15
Frequently asked questions
- What is Ozair Ziauddin's NPI number?
- Ozair Ziauddin's National Provider Identifier (NPI) is 1518214949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ozair Ziauddin's specialty?
- Ozair Ziauddin is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ozair Ziauddin located?
- Ozair Ziauddin's practice location on file with NPPES is 919 Main St Ste 201, Dyer, IN 46311-3717.
- What is Ozair Ziauddin's phone number?
- The practice phone number listed in the NPPES registry for Ozair Ziauddin is (219) 922-3002.
- Does Ozair Ziauddin accept Medicare?
- Ozair Ziauddin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ozair Ziauddin's NPI active?
- Yes — Ozair Ziauddin's NPI (1518214949) is active in the NPPES registry as of the last update on 2023-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.