David Sager, M.D.
NPI 1295850766 · Specialist · Des Plaines, IL
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Sager, M.D. is a Specialist provider in Des Plaines, IL (NPI 1295850766).
Provider details
- NPI number
- 1295850766
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-49863 (IL)
Specialties & taxonomies
Other Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
13,115 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 | 1,083 | $124 |
| 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 | 868 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 832 | $3 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 781 | $8 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 779 | $4 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 667 | 197 |
| Celecoxib | 365 | 103 |
| Methotrexate Sodiumbrand: Methotrexate | 333 | 96 |
| Tramadol Hcl | 252 | 60 |
| Hydroxychloroquine Sulfate | 243 | 72 |
| Methylprednisolone | 190 | 88 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 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
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Sager's NPI number?
- David Sager's National Provider Identifier (NPI) is 1295850766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sager's specialty?
- David Sager is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is David Sager located?
- David Sager's practice location on file with NPPES is 150 N River Rd, Des Plaines, IL 60016-1272.
- What is David Sager's phone number?
- The practice phone number listed in the NPPES registry for David Sager is (847) 298-8470.
- Does David Sager accept Medicare?
- David Sager is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Sager's NPI active?
- Yes — David Sager's NPI (1295850766) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.