Louis Chaptini, MD
NPI 1679663389 · Gastroenterology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Chaptini, MD is a Gastroenterology Physician provider in New Haven, CT (NPI 1679663389).
Provider details
- NPI number
- 1679663389
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA074833 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
85 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $134 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $81 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 17 | $117 |
Typical Medicare-allowed amounts for these services range $81–$134 (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
- 2006-10-13
- Last updated
- 2012-08-10
Frequently asked questions
- What is Louis Chaptini's NPI number?
- Louis Chaptini's National Provider Identifier (NPI) is 1679663389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Chaptini's specialty?
- Louis Chaptini is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Chaptini located?
- Louis Chaptini's practice location on file with NPPES is 40 Temple St, New Haven, CT 06510-2715.
- What is Louis Chaptini's phone number?
- The practice phone number listed in the NPPES registry for Louis Chaptini is (203) 785-4138.
- Does Louis Chaptini accept Medicare?
- Louis Chaptini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Chaptini's NPI active?
- Yes — Louis Chaptini's NPI (1679663389) is active in the NPPES registry as of the last update on 2012-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.