DR. ALAN ZAKKO MD
NPI 1982194130
Internal Medicine - Gastroenterology in New Haven, CT
About Dr. Alan Zakko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN ZAKKO MD (NPI 1982194130) is an individual gastroenterology provider in New Haven, Connecticut, licensed in Connecticut (67370) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alan Zakko Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Alan Zakko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06510
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 417 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06510 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06510
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alan Zakko's NPI number?
The NPI number for Alan Zakko is 1982194130. It was assigned to this individual provider in the NPPES registry on May 14, 2018.
Where is Alan Zakko located?
Alan Zakko practices at 20 York Street, Cb-2041, New Haven, CT 06510. The listed phone number is (203) 688-4748.
What is Alan Zakko's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Alan Zakko enrolled in Medicare?
Yes. Alan Zakko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alan Zakko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Zakko reassigns Medicare benefits to 2 organizations: Mill Hill Medical Consultants Inc (New Haven, CT) and Connecticut Gi PLLC (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alan Zakko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alan Zakko affiliated with any hospitals?
According to CMS data, Alan Zakko is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Alan Zakko was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alan Zakko, MD · NPI 1982194130
Gastroenterology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since May 14, 2018.
## Identity
- **NPI:** 1982194130 (Entity type: Individual)
- **Enumerated:** May 14, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 67370 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 YORK STREET, CB-2041, New Haven, CT 06510-3220
- **Phone:** (203) 688-4748 · **Fax:** (203) 688-4740
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mill Hill Medical Consultants Inc (NPI 1952624769, New Haven, CT); Connecticut Gi PLLC (NPI 1023124625, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1982194130) · Data from the CMS NPPES public registry.