David Bentrem, MD
NPI 1821072919 · Surgical Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Bentrem, MD is a Surgical Oncology Physician provider in Chicago, IL (NPI 1821072919).
Provider details
- NPI number
- 1821072919
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036099284 (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
74 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 46 | $174 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 15 | $132 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 13 | $132 |
Typical Medicare-allowed amounts for these services range $132–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2009-06-22
Frequently asked questions
- What is David Bentrem's NPI number?
- David Bentrem's National Provider Identifier (NPI) is 1821072919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Bentrem's specialty?
- David Bentrem is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Bentrem located?
- David Bentrem's practice location on file with NPPES is 675 N Saint Clair St, Chicago, IL 60611-5975.
- What is David Bentrem's phone number?
- The practice phone number listed in the NPPES registry for David Bentrem is (312) 695-1130.
- Does David Bentrem accept Medicare?
- David Bentrem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Bentrem's NPI active?
- Yes — David Bentrem's NPI (1821072919) is active in the NPPES registry as of the last update on 2009-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.