David Sachtleben, MD
NPI 1861450447 · Internal Medicine Physician · Westmont, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Sachtleben, MD is a Internal Medicine Physician provider in Westmont, IL (NPI 1861450447).
Provider details
- NPI number
- 1861450447
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36089647 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,853 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,068 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,027 | $125 |
| 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 | 576 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 475 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 401 | $126 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 870 | 248 |
| Losartan Potassium | 798 | 214 |
| Levothyroxine Sodium | 680 | 176 |
| Amlodipine Besylate | 673 | 179 |
| Lisinopril | 552 | 151 |
| Hydrochlorothiazide | 398 | 114 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2023-02-02
- Certified
- 2023-02-02
Frequently asked questions
- What is David Sachtleben's NPI number?
- David Sachtleben's National Provider Identifier (NPI) is 1861450447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sachtleben's specialty?
- David Sachtleben is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Sachtleben located?
- David Sachtleben's practice location on file with NPPES is 251 N Cass Ave, Westmont, IL 60559-1744.
- What is David Sachtleben's phone number?
- The practice phone number listed in the NPPES registry for David Sachtleben is (630) 963-0309.
- Does David Sachtleben accept Medicare?
- David Sachtleben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Sachtleben's NPI active?
- Yes — David Sachtleben's NPI (1861450447) is active in the NPPES registry as of the last update on 2023-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.