Alison Massed, NP-C
NPI 1033773908 · Registered Nurse · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Massed, NP-C is a Registered Nurse provider in Boston, MA (NPI 1033773908).
Provider details
- NPI number
- 1033773908
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN2288323 (MA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
184 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) |
|---|---|---|
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 55 | $28 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 47 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $129 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $115 |
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 |
|---|---|---|
| Metoprolol Succinate | 44 | 18 |
| Furosemide | 42 | 18 |
| Atorvastatin Calcium | 39 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 33 | 16 |
| Amoxicillin | 31 | 18 |
| Amlodipine Besylate | 22 | — |
| Lisinopril | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 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
- 2019-04-26
- Last updated
- 2019-04-26
Frequently asked questions
- What is Alison Massed's NPI number?
- Alison Massed's National Provider Identifier (NPI) is 1033773908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Massed's specialty?
- Alison Massed is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Alison Massed located?
- Alison Massed's practice location on file with NPPES is 484 Commonwealth Ave Apt 3, Boston, MA 02215-2737.
- What is Alison Massed's phone number?
- The practice phone number listed in the NPPES registry for Alison Massed is (401) 527-2215.
- Does Alison Massed accept Medicare?
- Alison Massed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Massed's NPI active?
- Yes — Alison Massed's NPI (1033773908) is active in the NPPES registry as of the last update on 2019-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.