Nathan Kopydlowski, M.D.
NPI 1255712741 · Orthopaedic Surgery Physician · Grafton, WI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Kopydlowski, M.D. is a Orthopaedic Surgery Physician provider in Grafton, WI (NPI 1255712741).
Provider details
- NPI number
- 1255712741
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22741 (WI)
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
11 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
596 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 | 291 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 125 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 67 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $179 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $126 |
| Prosthetic Repair of Shoulder Joint, Total Shoulder |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 219 | 130 |
| Oxycodone Hcl | 74 | 66 |
| Metoclopramide Hcl | 69 | 67 |
| Gabapentin | 57 | 55 |
| Omeprazole | 49 | 47 |
| Diclofenac Sodium | 33 | 27 |
| Ketorolac Tromethamine | 19 | 18 |
| Naproxen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 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
- 2015-06-10
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Nathan Kopydlowski's NPI number?
- Nathan Kopydlowski's National Provider Identifier (NPI) is 1255712741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Kopydlowski's specialty?
- Nathan Kopydlowski is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Kopydlowski located?
- Nathan Kopydlowski's practice location on file with NPPES is 975 Port Washington Rd, Grafton, WI 53024-9201.
- What is Nathan Kopydlowski's phone number?
- The practice phone number listed in the NPPES registry for Nathan Kopydlowski is (262) 329-1000.
- Does Nathan Kopydlowski accept Medicare?
- Nathan Kopydlowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Kopydlowski's NPI active?
- Yes — Nathan Kopydlowski's NPI (1255712741) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.