Derek Luthi, PA-C
NPI 1114548450 · Medical Physician Assistant · Greenfield, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Luthi, PA-C is a Medical Physician Assistant provider in Greenfield, MA (NPI 1114548450).
Provider details
- NPI number
- 1114548450
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA7972 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
14 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Automated Urinalysis Test81003 | 14 | $2 |
Typical Medicare-allowed amounts for these services range $2–$2 (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 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 68 |
| Gabapentin | 177 | 34 |
| Amlodipine Besylate | 173 | 52 |
| Lisinopril | 136 | 34 |
| Levothyroxine Sodium | 135 | 27 |
| Omeprazole | 122 | 41 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (2)
- 360 Huntington AveBoston, MA 02115-5000Phone: (617) 373-3195
- 309 Belmont StWorcester, MA 01604-1059Phone: (508) 368-3477Fax: (508) 363-1504
Registry dates
- Enumerated
- 2020-04-28
- Last updated
- 2023-09-21
- Certified
- 2023-09-21
Frequently asked questions
- What is Derek Luthi's NPI number?
- Derek Luthi's National Provider Identifier (NPI) is 1114548450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Luthi's specialty?
- Derek Luthi is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Luthi located?
- Derek Luthi's practice location on file with NPPES is 102 Main St, Greenfield, MA 01301-3275.
- What is Derek Luthi's phone number?
- The practice phone number listed in the NPPES registry for Derek Luthi is (413) 325-8500.
- Does Derek Luthi accept Medicare?
- Derek Luthi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Luthi's NPI active?
- Yes — Derek Luthi's NPI (1114548450) is active in the NPPES registry as of the last update on 2023-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.