CLYDE S CRUMPACKER M.D.
NPI 1780786103
Internal Medicine - Infectious Disease in Boston, MA

NPI Status: Active since September 05, 2006

Contact Information

330 BROOKLINE AVENUE/DANA 617
DIV OF INFECTIOUS DIS
BOSTON, MA
ZIP 02215
Phone: (617) 667-5863

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About CLYDE CRUMPACKER

This page provides the complete NPI Profile along with additional information for Clyde Crumpacker, 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 1780786103 assigned on September 2006. The practitioner's primary taxonomy code is 207RI0200X with license number 33921 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1780786103
Provider Name
CLYDE S CRUMPACKER M.D.
Gender
Male
Entity Type
Individual
Location Address
330 BROOKLINE AVENUE/DANA 617 DIV OF INFECTIOUS DIS BOSTON, MA 02215
Location Phone
(617) 667-5863
Mailing Address
330 BROOKLINE AVE/DANA 617 DIV OF INFECTIOUS DISEASE BOSTON, MA 02215
Mailing Phone
(617) 667-5863
Is Sole Proprietor?
No
Enumeration Date
09-05-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Clyde Crumpacker 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.
33921
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 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 1780786103, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 8 → 16 → 7 7 → 14 → 5 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 4 + 8 + 1 + 2 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1780786103.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780786103, enumerated as an "individual" on September 05, 2006.

The provider is located at 330 BROOKLINE AVENUE/DANA 617 DIV OF INFECTIOUS DIS BOSTON, MA 02215 and the phone number is (617) 667-5863.

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