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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALAN ZAKKO MD
NPI 1982194130
Internal Medicine - Gastroenterology in New Haven, CT

Active since May 14, 2018PECOS Enrolled
93.27/100
CMS Quality Rating
20 YORK STREET, CB-2041, NEW HAVEN, CT 06510(203) 688-4748(203) 688-4740 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 18, 2021, May 14, 2018 (2 updates tracked since 2018).

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 and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982194130
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ALAN ZAKKOCredential: MD
Location Address20 YORK STREET, CB-2041New Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4748 · Fax (203) 688-4740
Phone(203) 688-4748
Fax(203) 688-4740
Sole ProprietorNo
Enumeration DateMay 14, 2018
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1982194130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 67370
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedHospitalistTaxonomy 208M00000X · License 67370 (CT)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
20 YORK STREET, CB-2041, New Haven, CT 06510
Open in Google Maps ↗

Secondary Practice Locations 2

Location 125 Newell Rd Ste E36Bristol, CT 06010-5132 · Phone (860) 583-9252
Location 220 York St Dept OfNew Haven, CT 06510-3220 · Phone (203) 688-4242

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alan Zakko Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician 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.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

93.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.72
Promoting Interoperability78.03
Improvement Activities40

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.

ALINA RAKHUBA MD
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
MARIBEL CABRERA MARTINEZ M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
OMAR YASSER ABED SHAKHTOUR MBBS
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (036) 884-7482
SCOTT NAVARRETT M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
DR. PHYLLIS TAWIAH MD
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
MISS DANIELLE PAZIENZA PA-C
Physician Assistant (Medical)
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
DR. NIDHI SHAH M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
OSAMA KANDALAFT MD
Internal Medicine
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748

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 enrollment system.

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 36 days 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.