Thomas Haferkamp, MD
NPI 1851913503 · Geriatric Medicine (Internal Medicine) Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Haferkamp, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Chicago, IL (NPI 1851913503).
Provider details
- NPI number
- 1851913503
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036164136 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
187 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) |
|---|---|---|
| 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 | 59 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $143 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 29 | $191 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 22 | $111 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 21 | $176 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 62 | 24 |
| Atorvastatin Calcium | 56 | 23 |
| Trazodone Hcl | 33 | 12 |
| Tamsulosin Hcl | 32 | — |
| Sertraline Hcl | 32 | — |
| Metoprolol Succinate | 28 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-15
- Last updated
- 2024-07-03
- Certified
- 2024-07-03
Frequently asked questions
- What is Thomas Haferkamp's NPI number?
- Thomas Haferkamp's National Provider Identifier (NPI) is 1851913503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Haferkamp's specialty?
- Thomas Haferkamp is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Haferkamp located?
- Thomas Haferkamp's practice location on file with NPPES is 5841 S. Maryland Ave, Chicago, IL 60637-3801.
- What is Thomas Haferkamp's phone number?
- The practice phone number listed in the NPPES registry for Thomas Haferkamp is (773) 702-1150.
- Does Thomas Haferkamp accept Medicare?
- Thomas Haferkamp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Haferkamp's NPI active?
- Yes — Thomas Haferkamp's NPI (1851913503) is active in the NPPES registry as of the last update on 2024-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.