Margaret Walsh, PA-C
NPI 1205424439 · Physician Assistant · Tewksbury, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Walsh, PA-C is a Physician Assistant provider in Tewksbury, MA (NPI 1205424439).
Provider details
- NPI number
- 1205424439
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA8580 (MA)
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
5 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
286 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 184 | $86 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $58 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $119 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 14 | $129 |
Typical Medicare-allowed amounts for these services range $58–$129 (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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propion/Salmeterolbrand: Advair Hfa | 208 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 156 | 68 |
| Tiotropium Bromidebrand: Spiriva Respimat | 108 | 32 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 82 | 27 |
| Prednisone | 65 | 43 |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 63 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 2 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
- 2021-01-04
- Last updated
- 2022-04-05
- Certified
- 2022-04-05
Frequently asked questions
- What is Margaret Walsh's NPI number?
- Margaret Walsh's National Provider Identifier (NPI) is 1205424439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Walsh's specialty?
- Margaret Walsh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Walsh located?
- Margaret Walsh's practice location on file with NPPES is 10 Ronald Dr, Tewksbury, MA 01876-2924.
- What is Margaret Walsh's phone number?
- The practice phone number listed in the NPPES registry for Margaret Walsh is (978) 995-5815.
- Does Margaret Walsh accept Medicare?
- Margaret Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Walsh's NPI active?
- Yes — Margaret Walsh's NPI (1205424439) is active in the NPPES registry as of the last update on 2022-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.