Reem Jan, M.D.
NPI 1750581732 · Rheumatology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reem Jan, M.D. is a Rheumatology Physician provider in Chicago, IL (NPI 1750581732).
Provider details
- NPI number
- 1750581732
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036131317 (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
18 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
608 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 | 212 | $106 |
| 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 | 121 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $137 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 39 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 189 | 57 |
| Cyclobenzaprine Hcl | 131 | 50 |
| Tramadol Hcl | 92 | 23 |
| Adalimumabbrand: Humira Pen | 91 | 12 |
| Methotrexate Sodiumbrand: Methotrexate | 87 | 31 |
| Hydroxychloroquine Sulfate | 76 | 29 |
| Celecoxib | 69 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$126 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
- 2007-07-19
- Last updated
- 2014-11-05
Frequently asked questions
- What is Reem Jan's NPI number?
- Reem Jan's National Provider Identifier (NPI) is 1750581732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reem Jan's specialty?
- Reem Jan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Reem Jan located?
- Reem Jan's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1447.
- What is Reem Jan's phone number?
- The practice phone number listed in the NPPES registry for Reem Jan is (773) 702-1000.
- Does Reem Jan accept Medicare?
- Reem Jan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reem Jan's NPI active?
- Yes — Reem Jan's NPI (1750581732) is active in the NPPES registry as of the last update on 2014-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.