Richard Gervasi, M.D.
NPI 1972597813 · Nephrology Physician · Norwalk, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Gervasi, M.D. is a Nephrology Physician provider in Norwalk, CT (NPI 1972597813).
Provider details
- NPI number
- 1972597813
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042201 (CT)
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
4,675 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 | 923 | $132 |
| 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 | 585 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 369 | $80 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 241 | $9 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 192 | $51 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 460 | 117 |
| Amlodipine Besylate | 445 | 120 |
| Rosuvastatin Calcium | 370 | 96 |
| Atorvastatin Calcium | 352 | 96 |
| Losartan Potassium | 247 | 66 |
| Carvedilol | 234 | 64 |
| Lisinopril | 232 | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2018-03-26
Frequently asked questions
- What is Richard Gervasi's NPI number?
- Richard Gervasi's National Provider Identifier (NPI) is 1972597813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Gervasi's specialty?
- Richard Gervasi is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Gervasi located?
- Richard Gervasi's practice location on file with NPPES is 40 Cross St, Norwalk, CT 06851-4647.
- What is Richard Gervasi's phone number?
- The practice phone number listed in the NPPES registry for Richard Gervasi is (203) 845-4800.
- Does Richard Gervasi accept Medicare?
- Richard Gervasi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Gervasi's NPI active?
- Yes — Richard Gervasi's NPI (1972597813) is active in the NPPES registry as of the last update on 2018-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.