DR. DIAA A HAKIM MD
NPI 1275108987
Internal Medicine - Interventional Cardiology in Worcester, MA
NPI Status: Active since May 25, 2021
Contact Information
123 SUMMER ST
WORCESTER, MA
ZIP 01608
Phone: (508) 363-5000
- Individual
- Male
- Internal Medicine
- Interventional Cardiology
About DIAA HAKIM
This page provides the complete NPI Profile along with additional information for Diaa Hakim, an internist established in Worcester, Massachusetts with a medical specialization in Internal Medicine, focusing in interventional cardiology . The healthcare provider is registered in the NPI registry with number 1275108987 assigned on May 2021. The practitioner's primary taxonomy code is 207RI0011X with license number 3019894 (MA). The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1275108987
- Provider Name
- DR. DIAA A HAKIM MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 123 SUMMER ST WORCESTER, MA 01608
- Location Phone
- (508) 363-5000
- Mailing Address
- 123 SUMMER ST WORCESTER, MA 01608
- Mailing Phone
- (617) 732-4860
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-25-2021
- Last Update Date
- 03-24-2026
- Code Navigator
An internist like Diaa Hakim is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine Interventional Cardiology
- Taxonomy Code
- 207RI0011X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 3019894
- License State
- MA
- Taxonomy Description
- 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.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1275108987, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
WORCESTER, MA 01608
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1275108987, enumerated as an "individual" on May 25, 2021.
The provider is located at 123 SUMMER ST WORCESTER, MA 01608 and the phone number is (508) 363-5000.
Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.
