Kevin Duffy, PAC
NPI 1164412565 · Physician Assistant · Lansing, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin Duffy, PAC is a Physician Assistant provider in Lansing, MI (NPI 1164412565).
Provider details
- NPI number
- 1164412565
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- Sole proprietor
- No
- License
- 5601002818 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 647 | 205 |
| Methotrexate Sodiumbrand: Methotrexate | 447 | 144 |
| Prednisone | 242 | 91 |
| Leflunomide | 180 | 56 |
| Meloxicam | 115 | 46 |
| Sulfasalazine | 108 | 28 |
| Methylprednisolone | 102 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,756 across 303 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
- 2005-10-26
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is Kevin Duffy's NPI number?
- Kevin Duffy's National Provider Identifier (NPI) is 1164412565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin Duffy's specialty?
- Kevin Duffy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kevin Duffy located?
- Kevin Duffy's practice location on file with NPPES is 4052 Legacy Pkwy, Lansing, MI 48911-4285.
- What is Kevin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Kevin Duffy is (517) 272-9700.
- Does Kevin Duffy accept Medicare?
- Kevin Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin Duffy's NPI active?
- Yes — Kevin Duffy's NPI (1164412565) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.