Joel Zamzow, M.D.
NPI 1053316554 · Orthopaedic Surgery Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Zamzow, M.D. is a Orthopaedic Surgery Physician provider in Duluth, MN (NPI 1053316554).
Provider details
- NPI number
- 1053316554
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 37576 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
453 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 | 120 | $89 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 118 | $68 |
| X-Ray of Knee, 3 Views73562 | 61 | $42 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $128 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 36 | $56 |
| X-Ray of Hip, 1 View73501 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 151 | 106 |
| Oxycodone Hcl | 147 | 94 |
| Cephalexin | 119 | 93 |
| Amoxicillin | 89 | 81 |
| Prednisone | 60 | 32 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 40 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 across 1 record (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
- 2005-06-20
- Last updated
- 2018-10-11
Frequently asked questions
- What is Joel Zamzow's NPI number?
- Joel Zamzow's National Provider Identifier (NPI) is 1053316554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Zamzow's specialty?
- Joel Zamzow is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Zamzow located?
- Joel Zamzow's practice location on file with NPPES is 1000 E 1st St, Duluth, MN 55805-2297.
- What is Joel Zamzow's phone number?
- The practice phone number listed in the NPPES registry for Joel Zamzow is (218) 722-5513.
- Does Joel Zamzow accept Medicare?
- Joel Zamzow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Zamzow's NPI active?
- Yes — Joel Zamzow's NPI (1053316554) is active in the NPPES registry as of the last update on 2018-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.