Marie Leon
NPI 1215333117 · Nurse Practitioner · Springfield, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Leon is a Nurse Practitioner provider in Springfield, MA (NPI 1215333117).
Provider details
- NPI number
- 1215333117
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2278872 (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
11 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
265 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 248 | $42 |
| Psychiatric Diagnostic Evaluation90791 | 17 | $125 |
Typical Medicare-allowed amounts for these services range $42–$125 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 29 | 20 |
| Benztropine Mesylate | 20 | 17 |
| Lisinopril | 19 | 13 |
| Memantine Hcl | 17 | — |
| Haloperidol | 15 | 11 |
| Clonidine Hcl | 14 | 11 |
| Hydroxyzine Pamoate | 14 | 11 |
| Propranolol Hcl | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 6 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
- 2014-11-05
- Last updated
- 2014-11-05
Frequently asked questions
- What is Marie Leon's NPI number?
- Marie Leon's National Provider Identifier (NPI) is 1215333117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Leon's specialty?
- Marie Leon is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marie Leon located?
- Marie Leon's practice location on file with NPPES is 819 Worcester St, Springfield, MA 01151-1045.
- What is Marie Leon's phone number?
- The practice phone number listed in the NPPES registry for Marie Leon is (413) 543-6820.
- Does Marie Leon accept Medicare?
- Marie Leon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Leon's NPI active?
- Yes — Marie Leon's NPI (1215333117) is active in the NPPES registry as of the last update on 2014-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.