Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

WILLIAM RICHARD RODRIGUEZ MD
NPI 1851356869
Internal Medicine - Infectious Disease in Boston, MA

Active since April 20, 2006
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DIVISION OF INFECTIOUS DISE, BOSTON, MA 02115(617) 732-8881 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About WILLIAM RODRIGUEZ

This page provides the complete NPI Profile along with additional information for William Rodriguez, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1851356869 assigned on April 2006. The practitioner's primary taxonomy code is 207RI0200X with license number 81616 (MA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1851356869
Provider Name
WILLIAM RICHARD RODRIGUEZ MD
Gender
Male
Entity Type
Individual
Location Address
75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL DIVISION OF INFECTIOUS DISE BOSTON, MA 02115
Location Phone
(617) 732-8881
Mailing Address
75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL DIVISION OF INFECTIOUS DISE BOSTON, MA 02115
Mailing Phone
(617) 732-8881
Is Sole Proprietor?
No
Enumeration Date
04-20-2006
Last Update Date
07-13-2026
Code Navigator

An internist like William Rodriguez 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
81616
License State
MA
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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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 1851356869, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 5 → 10 → 1 3 → 6 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 6 + 5 + 1 + 2 + 8 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1851356869.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
75 FRANCIS STREET
BOSTON, MA 02115
Pathology (Anatomic Pathology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF PATHOLOGY
BOSTON, MA 02115
Obstetrics & Gynecology (Reproductive Endocrinology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL CENTER FOR REPRODUCTIVE MED
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF PSYCHIATRY
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPT OF PSYCHIATRY
BOSTON, MA 02115
Surgery (Vascular Surgery)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL
BOSTON, MA 02115
Internal Medicine (Nephrology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RENAL DIVISION
BOSTON, MA 02115
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Obstetrics & Gynecology (Gynecologic Oncology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DIVISION OF GYNECOLOGIC ONC
BOSTON, MA 02115
Obstetrics & Gynecology (Reproductive Endocrinology)
75 FRANCIS STREET, CENTER FOR REPRODUCTIVE MEDICINE
BOSTON, MA 02115
Internal Medicine (Interventional Cardiology)
75 FRANCIS STREET, BRIGHAM & WOMENS HOSPITAL
BOSTON, MA 02115
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Emergency Medicine
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF EMERGENCY MED
BOSTON, MA 02115
Internal Medicine (Gastroenterology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DIVISION OF GASTROENTEROLOG
BOSTON, MA 02115
Psychiatry & Neurology (Neurology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF NEUROLOGY
BOSTON, MA 02115
Psychiatry & Neurology (Neurology)
75 FRANCIS STREET, BWH DEPARTMENT OF NEUROLOGY
BOSTON, MA 02115
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPT OF ORTHOPEDIC SURGERY
BOSTON, MA 02115
Internal Medicine (Gastroenterology)
75 FRANCIS STREET, BRIGHAM AND WOMEN'S HOSPITAL DIVISION OF GASTROENTEROLO
BOSTON, MA 02115
Psychiatry & Neurology (Neurology)
75 FRANCIS STREET, PARTNERS PARKINSON AND MOVEMENT DISORDERS CENTER
BOSTON, MA 02115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851356869, enumerated as an "individual" on April 20, 2006.

The provider is located at 75 FRANCIS STREET BRIGHAM AND WOMENS HOSPITAL DIVISION OF INFECTIOUS DISE BOSTON, MA 02115 and the phone number is (617) 732-8881.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.