Louis Ercolani, M.D.
NPI 1164407516 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Ercolani, M.D. is a Nephrology Physician provider in Boston, MA (NPI 1164407516).
Provider details
- NPI number
- 1164407516
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 51939 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,083 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Hemodialysis Procedure With Physician Evaluation90935 | 1,117 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 491 | $82 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 184 | $351 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 166 | $136 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 53 | $181 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 100 | 28 |
| Allopurinol | 52 | 16 |
| Sevelamer Carbonate | 42 | 12 |
| Furosemide | 30 | — |
| Sucroferric Oxyhydroxidebrand: Velphoro | 19 | — |
| Amlodipine Besylate | 18 | — |
| Losartan Potassium | 18 | — |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2011-09-23
Frequently asked questions
- What is Louis Ercolani's NPI number?
- Louis Ercolani's National Provider Identifier (NPI) is 1164407516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Ercolani's specialty?
- Louis Ercolani is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Ercolani located?
- Louis Ercolani's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Louis Ercolani's phone number?
- The practice phone number listed in the NPPES registry for Louis Ercolani is (617) 726-5050.
- Does Louis Ercolani accept Medicare?
- Louis Ercolani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Ercolani's NPI active?
- Yes — Louis Ercolani's NPI (1164407516) is active in the NPPES registry as of the last update on 2011-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.