John Earnhart, M.D.
NPI 1043218084 · Family Medicine Physician · Cape Girardeau, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Earnhart, M.D. is a Family Medicine Physician provider in Cape Girardeau, MO (NPI 1043218084).
Provider details
- NPI number
- 1043218084
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-106126 (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 tenure25% of score
20 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
11,856 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 | 1,811 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,655 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,176 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,014 | $10 |
| Hemoglobin A1c Level83036 | 576 | $9 |
| Hdl Cholesterol Level83718 | 574 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 203 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 854 | 196 |
| Amlodipine Besylate | 755 | 185 |
| Atorvastatin Calcium | 695 | 165 |
| Omeprazole | 624 | 141 |
| Lisinopril | 535 | 134 |
| Losartan Potassium | 508 | 117 |
| Trazodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,544 across 94 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
- 2005-07-13
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is John Earnhart's NPI number?
- John Earnhart's National Provider Identifier (NPI) is 1043218084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Earnhart's specialty?
- John Earnhart is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Earnhart located?
- John Earnhart's practice location on file with NPPES is 1111 N Mount Auburn Rd, Cape Girardeau, MO 63701-3437.
- What is John Earnhart's phone number?
- The practice phone number listed in the NPPES registry for John Earnhart is (573) 332-6000.
- Does John Earnhart accept Medicare?
- John Earnhart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Earnhart's NPI active?
- Yes — John Earnhart's NPI (1043218084) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.