DR. RAYMOND JAY WEITZMAN M.D.
NPI 1669680872
Internal Medicine - Geriatric Medicine in Pontiac, MI

NPI Status: Active since May 19, 2007

Contact Information

45580 WOODWARD AVE
PONTIAC, MI
ZIP 48341
Phone: (248) 309-3835

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  • Individual
  • Male
  • Internal Medicine
  • Geriatric Medicine

About RAYMOND WEITZMAN

This page provides the complete NPI Profile along with additional information for Raymond Weitzman, an internist established in Pontiac, Michigan with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1669680872 assigned on May 2007. The practitioner's primary taxonomy code is 207RG0300X with license number 4301030107 (MI). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1669680872
Provider Name
DR. RAYMOND JAY WEITZMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
45580 WOODWARD AVE PONTIAC, MI 48341
Location Phone
(248) 309-3835
Mailing Address
6505 LEGACY WOODS TRL WEST BLOOMFIELD, MI 48322
Mailing Phone
(248) 408-8670
Is Sole Proprietor?
No
Enumeration Date
05-19-2007
Last Update Date
05-10-2022
Code Navigator

An internist like Raymond Weitzman 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 Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
License No.
4301030107
License State
MI
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

30107 (MI)

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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 1669680872, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 2 + 8 + 0 + 8 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1669680872.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Clinic/Center (Community Health)
45580 WOODWARD AVE
PONTIAC, MI 48341
Physician Assistant
45580 WOODWARD AVE
PONTIAC, MI 48341

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669680872, enumerated as an "individual" on May 19, 2007.

The provider is located at 45580 WOODWARD AVE PONTIAC, MI 48341 and the phone number is (248) 309-3835.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.