DR. MARK ALLEN PEPPERCORNM.D. M.D.
NPI 1407964554
Internal Medicine - Gastroenterology in Boston, MA

NPI Status: Active since August 28, 2006

Contact Information

330 BROOKLINE AVE.
BOSTON, MA
ZIP 02215
Phone: (617) 667-8926
Fax: (617) 667-5826

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About MARK PEPPERCORNM.D.

This page provides the complete NPI Profile along with additional information for Mark Peppercornm.d., an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1407964554 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 36459 (MA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1407964554
Provider Name
DR. MARK ALLEN PEPPERCORNM.D. M.D.
Gender
Male
Entity Type
Individual
Location Address
330 BROOKLINE AVE. BOSTON, MA 02215
Location Phone
(617) 667-8926
Location Fax
(617) 667-5826
Mailing Address
330 BROOKLINE AVE. BOSTON, MA 02215
Mailing Phone
(617) 667-8926
Mailing Fax
(617) 667-5826
Is Sole Proprietor?
Yes
Enumeration Date
08-28-2006
Last Update Date
04-29-2011
Code Navigator

An internist like Mark Peppercornm.d. 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
36459
License State
MA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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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 1407964554, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 0 → 0 9 → 18 → 9 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 8 + 6 + 8 + 5 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1407964554.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Pathology (Anatomic Pathology & Clinical Pathology)
330 BROOKLINE AVE., BETH ISRAEL DEACONESS MED. CTR.
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE., BI DEACONESS MED CENTER/DEPT. OF ANESTHE
BOSTON, MA 02215
Internal Medicine (Endocrinology, Diabetes & Metabolism)
330 BROOKLINE AVE., BETH ISRAEL DEACONESS MEDICAL CENTER
BOSTON, MA 02215
Internal Medicine (Pulmonary Disease)
330 BROOKLINE AVE., KSB-23
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE., HMFP AT BETH ISRAEL DEACONESS MEDICAL
BOSTON, MA 02215
Specialist
330 BROOKLINE AVE.
BOSTON, MA 02215
Social Worker
330 BROOKLINE AVE., ROSE 200
BOSTON, MA 02215
Internal Medicine (Infectious Disease)
330 BROOKLINE AVE., BETH ISRAEL DEACONESS
BOSTON, MA 02215
Psychiatry & Neurology (Neurology)
330 BROOKLINE AVE., KS 406
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE., YAMINS 210
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE., SHAPIRO 807
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE., YAMINS 2ND FLOOR
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407964554, enumerated as an "individual" on August 28, 2006.

The provider is located at 330 BROOKLINE AVE. BOSTON, MA 02215 and the phone number is (617) 667-8926.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.