HENRY T KEUTMANN M.D.
NPI 1043400138
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

NPI Status: Active since July 26, 2007

Contact Information

MASS GENERAL HOSPITAL
ENDOCRINE UNIT
BOSTON, MA
ZIP 02114
Phone: (617) 726-3966

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  • Individual
  • Male
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About HENRY KEUTMANN

This page provides the complete NPI Profile along with additional information for Henry Keutmann, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1043400138 assigned on July 2007. The practitioner's primary taxonomy code is 207RE0101X with license number 36493 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1043400138
Provider Name
HENRY T KEUTMANN M.D.
Gender
Male
Entity Type
Individual
Location Address
MASS GENERAL HOSPITAL ENDOCRINE UNIT BOSTON, MA 02114
Location Phone
(617) 726-3966
Mailing Address
MASS GENERAL HOSPITAL ENDOCRINE UNIT BOSTON, MA 02114
Mailing Phone
(617) 726-3966
Is Sole Proprietor?
No
Enumeration Date
07-26-2007
Last Update Date
07-26-2007
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An internist like Henry Keutmann 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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
36493
License State
MA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

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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 1043400138, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 8 + 0 + 0 + 1 + 6 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1043400138.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Pediatrics
MASS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Internal Medicine
MASS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Registered Nurse
MASS GENERAL HOSPITAL, 55 FRUIT ST
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
MASS GENERAL HOSPITAL, 55 FRUIT STREET CLN 115
BOSTON, MA 02114
Internal Medicine (Pulmonary Disease)
MASS GENERAL HOSPITAL, 55 FRUIT ST, BULF 148
BOSTON, MA 02114
Nurse Practitioner
MASS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043400138, enumerated as an "individual" on July 26, 2007.

The provider is located at MASS GENERAL HOSPITAL ENDOCRINE UNIT BOSTON, MA 02114 and the phone number is (617) 726-3966.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.