DR. AHSAN ALAM M.D.
NPI 1598885980
Internal Medicine - Nephrology in Boston, MA

NPI Status: Active since March 30, 2007

Contact Information

750 WASHINGTON ST
TUFTS-NEMC BOX#391
BOSTON, MA
ZIP 02111
Phone: (617) 636-1573
Fax: (617) 636-2369

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  • Individual
  • Male
  • Internal Medicine
  • Nephrology

About AHSAN ALAM

This page provides the complete NPI Profile along with additional information for Ahsan Alam, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1598885980 assigned on March 2007. The practitioner's primary taxonomy code is 207RN0300X with license number 229462 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1598885980
Provider Name
DR. AHSAN ALAM M.D.
Gender
Male
Entity Type
Individual
Location Address
750 WASHINGTON ST TUFTS-NEMC BOX#391 BOSTON, MA 02111
Location Phone
(617) 636-1573
Location Fax
(617) 636-2369
Mailing Address
28 BRAINARD AVE APT 104 MEDFORD, MA 02155
Mailing Phone
(617) 314-9514
Is Sole Proprietor?
Yes
Enumeration Date
03-30-2007
Last Update Date
07-08-2007
Code Navigator

An internist like Ahsan Alam 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 Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
229462
License State
MA
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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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 1598885980, we treat the final digit (0) 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 0).

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.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 9 → 18 → 9 8 → 16 → 7 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 8 + 8 + 1 + 6 + 8 + 1 + 0 + 9 + 1 + 6 + 24 = 80

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 80 is 80. The difference is the calculated check digit.

80 - 80 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1598885980.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Interventional Cardiology)
750 WASHINGTON ST
BOSTON, MA 02111
Pediatrics (Neonatal-Perinatal Medicine)
750 WASHINGTON ST, BOX 44
BOSTON, MA 02111
Psychiatry & Neurology (Psychiatry)
750 WASHINGTON ST, TUFTS-NEW ENGLAND MEDICAL CENTER BOX 1007
BOSTON, MA 02111
Surgery (Trauma Surgery)
750 WASHINGTON ST, TUFTS-NEMC #4488
BOSTON, MA 02111
Ophthalmology
750 WASHINGTON ST, BOX 750
BOSTON, MA 02111
Anesthesiology
750 WASHINGTON ST, DEPT. OF ANESTHESIA - TUFTS NEMC
BOSTON, MA 02111
Internal Medicine (Geriatric Medicine)
750 WASHINGTON ST, BOX 401
BOSTON, MA 02111
Internal Medicine
750 WASHINGTON ST
BOSTON, MA 02111
Medical Genetics (Clinical Cytogenetics)
750 WASHINGTON ST, T-NEMC 188
BOSTON, MA 02111
Specialist
750 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine (Hematology & Oncology)
750 WASHINGTON ST, BOX 245
BOSTON, MA 02111
Radiology (Vascular & Interventional Radiology)
750 WASHINGTON ST, NEMC BOX 253
BOSTON, MA 02111
Internal Medicine
750 WASHINGTON ST
BOSTON, MA 02111
Specialist
750 WASHINGTON ST, BOX# 1007
BOSTON, MA 02111
Specialist
750 WASHINGTON ST, # 450
BOSTON, MA 02111
Optometrist
750 WASHINGTON ST, # 450
BOSTON, MA 02111
Psychiatry & Neurology (Psychiatry)
750 WASHINGTON ST, BOX 1007
BOSTON, MA 02111
Nurse Practitioner (Pediatrics)
750 WASHINGTON ST, FLOATING HOSPITAL @TUFTS-NEMC #213
BOSTON, MA 02111
Optometrist
750 WASHINGTON ST, # 450
BOSTON, MA 02111
Optometrist
750 WASHINGTON ST, # 450
BOSTON, MA 02111

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598885980, enumerated as an "individual" on March 30, 2007.

The provider is located at 750 WASHINGTON ST TUFTS-NEMC BOX#391 BOSTON, MA 02111 and the phone number is (617) 636-1573.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.