John Elsen, M.D.
NPI 1437260940 · Family Medicine Physician · Evergreen Park, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Elsen, M.D. is a Family Medicine Physician provider in Evergreen Park, IL (NPI 1437260940).
Provider details
- NPI number
- 1437260940
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-085149 (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
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
4,810 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 554 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 482 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 442 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 424 | $132 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 419 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 271 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 623 | 180 |
| Amlodipine Besylate | 379 | 111 |
| Lisinopril | 313 | 85 |
| Metoprolol Succinate | 259 | 78 |
| Pantoprazole Sodium | 235 | 59 |
| Alprazolam | 233 | 51 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 3 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
- 2006-08-31
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is John Elsen's NPI number?
- John Elsen's National Provider Identifier (NPI) is 1437260940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Elsen's specialty?
- John Elsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Elsen located?
- John Elsen's practice location on file with NPPES is 2850 W 95th St, Evergreen Park, IL 60805-2735.
- What is John Elsen's phone number?
- The practice phone number listed in the NPPES registry for John Elsen is (708) 423-2662.
- Does John Elsen accept Medicare?
- John Elsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Elsen's NPI active?
- Yes — John Elsen's NPI (1437260940) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.