Jeffrey Terwilliger, P.A.
NPI 1073551073 · Physician Assistant · Pittsfield, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Terwilliger, P.A. is a Physician Assistant provider in Pittsfield, MA (NPI 1073551073).
Provider details
- NPI number
- 1073551073
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 1072755
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
20 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
1,127 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) |
|---|---|---|
| X-Ray of Foot, Minimum of 3 Views73630 | 341 | $30 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 248 | $79 |
| X-Ray of Ankle, 2 Views73600 | 184 | $28 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 84 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $112 |
| X-Ray of Ankle, Minimum of 3 Views73610 | 64 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 25 | 25 |
| Meloxicam | 24 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 21 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 20 | 20 |
| Famotidine | 17 | 14 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 16 | 16 |
| Atorvastatin Calcium | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 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
- 2006-06-02
- Last updated
- 2016-08-12
Frequently asked questions
- What is Jeffrey Terwilliger's NPI number?
- Jeffrey Terwilliger's National Provider Identifier (NPI) is 1073551073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Terwilliger's specialty?
- Jeffrey Terwilliger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jeffrey Terwilliger located?
- Jeffrey Terwilliger's practice location on file with NPPES is 725 North St, Pittsfield, MA 01201-4109.
- What is Jeffrey Terwilliger's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Terwilliger is (413) 496-6820.
- Does Jeffrey Terwilliger accept Medicare?
- Jeffrey Terwilliger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Terwilliger's NPI active?
- Yes — Jeffrey Terwilliger's NPI (1073551073) is active in the NPPES registry as of the last update on 2016-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.