Eva Gassiraro, MD
NPI 1598762833 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eva Gassiraro, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1598762833).
Provider details
- NPI number
- 1598762833
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 152740 (MA)
Specialties & taxonomies
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
1,188 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 307 | $140 |
| 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 | 243 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 148 | $141 |
| Hemoglobin A1c Level83036 | 64 | $10 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 335 | 116 |
| Amlodipine Besylate | 176 | 59 |
| Lisinopril | 133 | 46 |
| Levothyroxine Sodium | 131 | 49 |
| Metformin Hcl | 116 | 37 |
| Simvastatin | 92 | 35 |
| Sertraline Hcl | 83 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2012-04-13
Frequently asked questions
- What is Eva Gassiraro's NPI number?
- Eva Gassiraro's National Provider Identifier (NPI) is 1598762833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eva Gassiraro's specialty?
- Eva Gassiraro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eva Gassiraro located?
- Eva Gassiraro's practice location on file with NPPES is 300 Mount Auburn St, Cambridge, MA 02138-5600.
- What is Eva Gassiraro's phone number?
- The practice phone number listed in the NPPES registry for Eva Gassiraro is (617) 868-2650.
- Does Eva Gassiraro accept Medicare?
- Eva Gassiraro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eva Gassiraro's NPI active?
- Yes — Eva Gassiraro's NPI (1598762833) is active in the NPPES registry as of the last update on 2012-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.