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DR. DIAA A HAKIM MD
NPI 1275108987
Internal Medicine - Interventional Cardiology in Worcester, MA

Active since May 25, 2021
123 SUMMER ST, WORCESTER, MA 01608(508) 363-5000 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 24, 2026, May 25, 2021 (2 updates tracked since 2021).

About Dr. Diaa A Hakim Md NPPES

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

DR. DIAA A HAKIM MD (NPI 1275108987) is an individual interventional cardiology provider in Worcester, Massachusetts, licensed in Massachusetts (3019894) and active in the NPI registry since May 2021.

NPPES Registry Identity

NPI1275108987
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. DIAA A HAKIMCredential: MD
Location Address123 SUMMER STWorcester, MA 01608-1216
Mailing Address123 Summer StWorcester, MA 01608-1216 · (617) 732-4860
Phone(508) 363-5000
Sole ProprietorYes
Enumeration DateMay 25, 2021
Last NPPES UpdateMarch 24, 20262 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
✔ NPI 1275108987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in MA · 3019894
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
123 SUMMER ST, Worcester, MA 01608
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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.

MADAIAH LOKESHWARI M.D.
Hospitalist
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6849
DR. JENNIFER LYNNE PAPPALARDO DPM
Podiatrist (Foot & Ankle Surgery)
123 SUMMER ST, DEPARTMENT OF PODIATRY
WORCESTER, MA 01608
Worcester County (508) 363-7390
DR. MADHAV SHARMA MD
Internal Medicine
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5438
YESHASWINI KATKOORI MD
Student in an Organized Health Care Education/Training Program
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DANIELLE MAY PELOQUIN
Nurse Anesthetist, Certified Registered
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DR. YAYAN CHEN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6049
FARRICY & KRAFT LLP
Obstetrics & Gynecology (Obstetrics)
123 SUMMER ST, SUITE 560
WORCESTER, MA 01608
Worcester County (508) 363-6100
KEITH A BEALS PA
Physician Assistant
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000

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 Diaa Hakim's NPI number?

The NPI number for Diaa Hakim is 1275108987. It was assigned to this individual provider in the NPPES registry on May 25, 2021.

Where is Diaa Hakim located?

Diaa Hakim practices at 123 Summer St, Worcester, MA 01608. The listed phone number is (508) 363-5000.

What is Diaa Hakim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

When was this NPI record last updated?

The NPPES record for Diaa Hakim was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.