Jonathan Mellema, MD
NPI 1083680458 · Otolaryngology Physician · Willmar, MN
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Mellema, MD is a Otolaryngology Physician provider in Willmar, MN (NPI 1083680458).
Provider details
- NPI number
- 1083680458
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47540 (MN)
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
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
411 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $126 |
| Removal of Impacted Ear Wax69210 | 75 | $43 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $163 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 40 | $185 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 37 | 36 |
| Ofloxacin | 32 | 25 |
| Ipratropium Bromide | 28 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 18 |
| Methylprednisolone | 22 | 19 |
| Levothyroxine Sodium | 22 | — |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 6 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
- 2006-02-27
- Last updated
- 2024-10-10
- Certified
- 2024-10-10
Frequently asked questions
- What is Jonathan Mellema's NPI number?
- Jonathan Mellema's National Provider Identifier (NPI) is 1083680458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Mellema's specialty?
- Jonathan Mellema is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Mellema located?
- Jonathan Mellema's practice location on file with NPPES is 1801 19th Ave Sw, Willmar, MN 56201-4946.
- What is Jonathan Mellema's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Mellema is (320) 231-3277.
- Does Jonathan Mellema accept Medicare?
- Jonathan Mellema is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Mellema's NPI active?
- Yes — Jonathan Mellema's NPI (1083680458) is active in the NPPES registry as of the last update on 2024-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.