Margaret Layo, APRN FNP-BC
NPI 1184225401 · Family Nurse Practitioner · Watertown, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Layo, APRN FNP-BC is a Family Nurse Practitioner provider in Watertown, MA (NPI 1184225401).
Provider details
- NPI number
- 1184225401
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- RN2326899 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
749 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 | 183 | $118 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 178 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 91 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $84 |
| Administration of Influenza Virus VaccineG0008 | 30 | $35 |
| Annual Alcohol Misuse Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 36 | 12 |
| Lisinopril | 34 | — |
| Lorazepam | 32 | 21 |
| Apixabanbrand: Eliquis | 19 | — |
| Losartan Potassium | 19 | — |
| Atorvastatin Calcium | 18 | — |
| Oxycodone Hcl/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$411 across 17 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)
- 2 1st Ave Ste 215Peabody, MA 01960-4962Phone: (978) 740-2300
Registry dates
- Enumerated
- 2020-11-03
- Last updated
- 2025-04-08
- Certified
- 2025-03-25
Frequently asked questions
- What is Margaret Layo's NPI number?
- Margaret Layo's National Provider Identifier (NPI) is 1184225401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Layo's specialty?
- Margaret Layo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Layo located?
- Margaret Layo's practice location on file with NPPES is 480 Pleasant St Ste A300, Watertown, MA 02472-2463.
- What is Margaret Layo's phone number?
- The practice phone number listed in the NPPES registry for Margaret Layo is (617) 926-9000.
- Does Margaret Layo accept Medicare?
- Margaret Layo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Layo's NPI active?
- Yes — Margaret Layo's NPI (1184225401) is active in the NPPES registry as of the last update on 2025-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.