John Knudsen, MD
NPI 1104852342 · Pain Medicine (Anesthesiology) Physician · Joplin, MO
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Knudsen, MD is a Pain Medicine (Anesthesiology) Physician provider in Joplin, MO (NPI 1104852342).
Provider details
- NPI number
- 1104852342
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2003002807 (MO)
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
1,762 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 | 1,264 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 478 | $124 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $104 |
Typical Medicare-allowed amounts for these services range $86–$124 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 2,557 | 261 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 676 | 79 |
| Methadone Hcl | 432 | 60 |
| Oxycodone Hcl | 308 | 36 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 282 | 37 |
| Gabapentin | 205 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$127 across 4 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
- 2006-06-22
- Last updated
- 2014-08-05
Frequently asked questions
- What is John Knudsen's NPI number?
- John Knudsen's National Provider Identifier (NPI) is 1104852342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Knudsen's specialty?
- John Knudsen is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is John Knudsen located?
- John Knudsen's practice location on file with NPPES is 1515 E 32nd St, Joplin, MO 64804-2912.
- What is John Knudsen's phone number?
- The practice phone number listed in the NPPES registry for John Knudsen is (417) 624-4277.
- Does John Knudsen accept Medicare?
- John Knudsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Knudsen's NPI active?
- Yes — John Knudsen's NPI (1104852342) is active in the NPPES registry as of the last update on 2014-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.