DR. PETER FREDERIC HOFFMAN M.D., PH.D
NPI 1144202367
Internal Medicine - Allergy & Immunology in Round Hill, VA

NPI Status: Active since November 15, 2005

Contact Information

34804 WILLIAMS GAP RD
ROUND HILL, VA
ZIP 20141
Phone: (540) 554-2335
Fax: (703) 771-7471

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  • Individual
  • Male
  • Internal Medicine
  • Allergy & Immunology

About PETER HOFFMAN

This page provides the complete NPI Profile along with additional information for Peter Hoffman, an internist established in Round Hill, Virginia with a medical specialization in Internal Medicine, focusing in allergy & immunology . The healthcare provider is registered in the NPI registry with number 1144202367 assigned on November 2005. The practitioner's primary taxonomy code is 207RA0201X with license number 0101020580 (VA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1144202367
Provider Name
DR. PETER FREDERIC HOFFMAN M.D., PH.D
Gender
Male
Entity Type
Individual
Location Address
34804 WILLIAMS GAP RD ROUND HILL, VA 20141
Location Phone
(540) 554-2335
Location Fax
(703) 771-7471
Mailing Address
34804 WILLIAMS GAP RD ROUND HILL, VA 20141
Mailing Phone
(540) 554-2335
Mailing Fax
(703) 771-7471
Is Sole Proprietor?
Yes
Enumeration Date
11-15-2005
Last Update Date
07-08-2007
Code Navigator

An internist like Peter Hoffman 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 Allergy & Immunology

Taxonomy Code
207RA0201X
Type
Allopathic & Osteopathic Physicians
License No.
0101020580
License State
VA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

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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 1144202367, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 4 + 0 + 4 + 3 + 1 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1144202367.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144202367, enumerated as an "individual" on November 15, 2005.

The provider is located at 34804 WILLIAMS GAP RD ROUND HILL, VA 20141 and the phone number is (540) 554-2335.

Internal Medicine with taxonomy code 207RA0201X and a focus in Allergy & Immunology.