Collin Duffy, PA-C
NPI 1619699493 · Physician Assistant · Smithtown, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Collin Duffy, PA-C is a Physician Assistant provider in Smithtown, NY (NPI 1619699493).
Provider details
- NPI number
- 1619699493
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 029074 (NY)
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 tenure25% of score
3 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
87 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $163 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $124 |
Typical Medicare-allowed amounts for these services range $124–$163 (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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 279 | 99 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 253 | 124 |
| Gabapentin | 236 | 117 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 151 | 65 |
| Pregabalin | 150 | 64 |
| Tizanidine Hcl | 120 | 58 |
| Lidocaine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13,568 across 321 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
- 2022-09-19
- Last updated
- 2024-03-15
- Certified
- 2024-03-15
Frequently asked questions
- What is Collin Duffy's NPI number?
- Collin Duffy's National Provider Identifier (NPI) is 1619699493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Collin Duffy's specialty?
- Collin Duffy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Collin Duffy located?
- Collin Duffy's practice location on file with NPPES is 994 W Jericho Tpke Ste 104, Smithtown, NY 11787-3211.
- What is Collin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Collin Duffy is (631) 543-1440.
- Does Collin Duffy accept Medicare?
- Collin Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Collin Duffy's NPI active?
- Yes — Collin Duffy's NPI (1619699493) is active in the NPPES registry as of the last update on 2024-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.