Leo D'Ambrosio, MD
NPI 1255335949 · Neurology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo D'Ambrosio, MD is a Neurology Physician provider in Indianapolis, IN (NPI 1255335949).
Provider details
- NPI number
- 1255335949
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01034457A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
800 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 | 319 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $82 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 70 | $19 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 70 | $199 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 39 | $57 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 265 | 56 |
| Donepezil Hcl | 262 | 59 |
| Gabapentin | 157 | 39 |
| Topiramate | 146 | 37 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 144 | 46 |
| Lacosamide | 126 | 18 |
| Memantine Hcl | 121 | 32 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,125 across 207 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
- 2005-06-09
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Leo D'Ambrosio's NPI number?
- Leo D'Ambrosio's National Provider Identifier (NPI) is 1255335949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo D'Ambrosio's specialty?
- Leo D'Ambrosio is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Leo D'Ambrosio located?
- Leo D'Ambrosio's practice location on file with NPPES is 8051 S Emerson Ave Ste 350, Indianapolis, IN 46237-8634.
- What is Leo D'Ambrosio's phone number?
- The practice phone number listed in the NPPES registry for Leo D'Ambrosio is (317) 859-1020.
- Does Leo D'Ambrosio accept Medicare?
- Leo D'Ambrosio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo D'Ambrosio's NPI active?
- Yes — Leo D'Ambrosio's NPI (1255335949) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.