DR. FADI T MAALOUF M.D.
NPI 1891778759
Psychiatry & Neurology - Psychiatry in Boston, MA
NPI Status: Active since November 23, 2005
Contact Information
55 FRUIT ST
YAW 6A
BOSTON, MA
ZIP 02114
Phone: (617) 724-6300
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Individual
- Male
- Psychiatry & Neurology
- Psychiatry
About FADI MAALOUF
This page provides the complete NPI Profile along with additional information for Fadi Maalouf, a provider established in Boston, Massachusetts with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1891778759 assigned on November 2005. The practitioner's primary taxonomy code is 2084P0800X with license number 222618 (MA). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1891778759
- Provider Name
- DR. FADI T MAALOUF M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 55 FRUIT ST YAW 6A BOSTON, MA 02114
- Location Phone
- (617) 724-6300
- Mailing Address
- 297 CHESTNUT W #27 J RANDOLPH, MA 02368
- Mailing Phone
- (617) 306-8580
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-23-2005
- Last Update Date
- 07-13-2026
- Code Navigator
A psychiatrist like Fadi Maalouf are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.
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
Psychiatry & Neurology Psychiatry
- Taxonomy Code
- 2084P0800X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 222618
- License State
- MA
- Taxonomy Description
- A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
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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 1891778759, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891778759, enumerated as an "individual" on November 23, 2005.
The provider is located at 55 FRUIT ST YAW 6A BOSTON, MA 02114 and the phone number is (617) 724-6300.
Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.
