John Guzzi, MD
NPI 1750947719 · Student in an Organized Health Care Education/Training Program · New Haven, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Guzzi, MD is a Student in an Organized Health Care Education/Training Program provider in New Haven, CT (NPI 1750947719).
Provider details
- NPI number
- 1750947719
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
43 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 32 | $217 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 11 | $97 |
Typical Medicare-allowed amounts for these services range $97–$217 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-15
- Last updated
- 2019-05-15
Frequently asked questions
- What is John Guzzi's NPI number?
- John Guzzi's National Provider Identifier (NPI) is 1750947719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guzzi's specialty?
- John Guzzi is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Guzzi located?
- John Guzzi's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is John Guzzi's phone number?
- The practice phone number listed in the NPPES registry for John Guzzi is (203) 688-4242.
- Does John Guzzi accept Medicare?
- John Guzzi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Guzzi's NPI active?
- Yes — John Guzzi's NPI (1750947719) is active in the NPPES registry as of the last update on 2019-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.