John Delvecchio, MD
NPI 1619990868 · Internal Medicine Physician · Greenwich, CT
John Delvecchio, MD is a Internal Medicine Physician provider in Greenwich, CT (NPI 1619990868).
Provider details
- NPI number
- 1619990868
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 037596 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 154 | 17 |
| Buprenorphine Hcl/Naloxone Hclbrand: Suboxone | 33 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 26 | — |
| Buprenorphinebrand: Sublocade | 20 | — |
| Clonazepam | 17 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2010-06-25
Frequently asked questions
- What is John Delvecchio's NPI number?
- John Delvecchio's National Provider Identifier (NPI) is 1619990868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Delvecchio's specialty?
- John Delvecchio is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Delvecchio located?
- John Delvecchio's practice location on file with NPPES is 75 Holly Hill Ln, Greenwich, CT 06830-6098.
- What is John Delvecchio's phone number?
- The practice phone number listed in the NPPES registry for John Delvecchio is (203) 863-3400.
- Is John Delvecchio's NPI active?
- Yes — John Delvecchio's NPI (1619990868) is active in the NPPES registry as of the last update on 2010-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.