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SAMIR ZAIDI MD,PHD
NPI 1538518832
Internal Medicine - Medical Oncology in New Haven, CT

Active since June 07, 2016PECOS Enrolled
89.61/100
CMS Quality Rating
YALE SCHOOL OF MEDICINE, 333 CEDAR STREET, WWW205, NEW HAVEN, CT 02114(203) 785-4144 Get Directions Write a Review

NPPES record last updated: April 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Samir Zaidi Md,phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMIR ZAIDI MD,PHD (NPI 1538518832) is an individual medical oncology provider in New Haven, Connecticut, licensed in Connecticut (80492) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538518832
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameSAMIR ZAIDICredential: MD,PHD
Location AddressYALE SCHOOL OF MEDICINE, 333 CEDAR STREET, WWW205New Haven, CT 02114
Mailing AddressYale School Of Medicine, 333 Cedar St, Www205New Haven, CT 06520 · (617) 643-0596
Phone(203) 785-4144
Sole ProprietorNo
Enumeration DateJune 7, 2016
Last NPPES UpdateApril 30, 2025
NPPES CertifiedApril 22, 2025
✔ NPI 1538518832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in CT · 80492✔ Licensed in NY · 313345
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License 80492 (CT), 313345 (NY)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 80492 (CT)
YALE SCHOOL OF MEDICINE, New Haven, CT 02114
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Samir Zaidi Md,phd 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Samir Zaidi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
1.2 mi
Adult Mental Health
95 CIRCULAR AVE
Hamden, CT 06514
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1134391824 (203) 288-6253
Memorial Solid Tumor Group
Internal Medicine
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 514 clinicians in this Medicare group
NPI 1699746172 (646) 227-3813

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
70 services24 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
17 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

89.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.89
Improvement Activities40

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 Samir Zaidi's NPI number?

The NPI number for Samir Zaidi is 1538518832. It was assigned to this individual provider in the NPPES registry on June 7, 2016.

Where is Samir Zaidi located?

Samir Zaidi practices at Yale School Of Medicine 333 Cedar Street, Www205, New Haven, CT 02114. The listed phone number is (203) 785-4144.

What is Samir Zaidi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Samir Zaidi enrolled in Medicare?

Yes. Samir Zaidi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Samir Zaidi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samir Zaidi reassigns Medicare benefits to 2 organizations: Yale University (Hamden, CT) and Memorial Solid Tumor Group (New York, NY). 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 Samir Zaidi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Samir Zaidi was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.