Marcia Walsh, N.P.
NPI 1225068299 · Acute Care Nurse Practitioner · Chelmsford, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcia Walsh, N.P. is a Acute Care Nurse Practitioner provider in Chelmsford, MA (NPI 1225068299).
Provider details
- NPI number
- 1225068299
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 198308 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
741 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 135 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $95 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 62 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 59 | $57 |
| Hemoglobin A1c Level83036 | 51 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 62 | 28 |
| Lisinopril | 52 | 20 |
| Atorvastatin Calcium | 41 | 16 |
| Metformin Hclbrand: Metformin Hcl Er | 28 | 11 |
| Omeprazole | 22 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$158 across 3 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
Additional practice locations (1)
- 20 Research Pl Ste 220North Chelmsford, MA 01863-2455Phone: (978) 459-6737Fax: (855) 818-1869
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is Marcia Walsh's NPI number?
- Marcia Walsh's National Provider Identifier (NPI) is 1225068299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Walsh's specialty?
- Marcia Walsh is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcia Walsh located?
- Marcia Walsh's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is Marcia Walsh's phone number?
- The practice phone number listed in the NPPES registry for Marcia Walsh is (978) 250-6000.
- Does Marcia Walsh accept Medicare?
- Marcia Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcia Walsh's NPI active?
- Yes — Marcia Walsh's NPI (1225068299) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.