Elizabeth Therrien, PA-C
NPI 1669138038 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Therrien, PA-C is a Physician Assistant provider in Boston, MA (NPI 1669138038).
Provider details
- NPI number
- 1669138038
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
143 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $154 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $167 |
Typical Medicare-allowed amounts for these services range $117–$167 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 127 | 53 |
| Famotidine | 106 | 45 |
| Pantoprazole Sodium | 97 | 32 |
| Linaclotidebrand: Linzess | 44 | 14 |
| Colestipol Hcl | 39 | 17 |
| Sucralfate | 34 | 19 |
| Prucalopride Succinatebrand: Motegrity | 22 | — |
Practice location
Mailing address
Additional practice locations (1)
- 450 Brookline AveBoston, MA 02215-5450Phone: (617) 632-3000
Registry dates
- Enumerated
- 2021-11-10
- Last updated
- 2023-09-11
- Certified
- 2023-09-11
Frequently asked questions
- What is Elizabeth Therrien's NPI number?
- Elizabeth Therrien's National Provider Identifier (NPI) is 1669138038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Therrien's specialty?
- Elizabeth Therrien is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Therrien located?
- Elizabeth Therrien's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Elizabeth Therrien's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Therrien is (617) 732-5500.
- Does Elizabeth Therrien accept Medicare?
- Elizabeth Therrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Therrien's NPI active?
- Yes — Elizabeth Therrien's NPI (1669138038) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.