DR. MARK GARY SINGER M. D.
NPI 1831308782
General Practice in Pontiac, MI

NPI Status: Active since May 21, 2007

Contact Information

777 JOSLYN AVE
MC 483-720-420
PONTIAC, MI
ZIP 48340
Phone: (248) 857-0599
Fax: (248) 857-8946

Get Directions Write a Review

  • Individual
  • Male
  • General Practice

About MARK SINGER

This page provides the complete NPI Profile along with additional information for Mark Singer, a primary care provider established in Pontiac, Michigan with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1831308782 assigned on May 2007. The practitioner's primary taxonomy code is 208D00000X with license number 4301069704 (MI). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1831308782
Provider Name
DR. MARK GARY SINGER M. D.
Gender
Male
Entity Type
Individual
Location Address
777 JOSLYN AVE MC 483-720-420 PONTIAC, MI 48340
Location Phone
(248) 857-0599
Location Fax
(248) 857-8946
Mailing Address
777 JOSLYN AVE MC 483-720-420 PONTIAC, MI 48340
Mailing Phone
(248) 857-0599
Mailing Fax
(248) 857-8946
Is Sole Proprietor?
Yes
Enumeration Date
05-21-2007
Last Update Date
03-07-2012
Code Navigator

A primary care provider (PCP) like Mark Singer sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
4301069704
License State
MI
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
12083X0100XAllopathic & Osteopathic Physicians

Preventive Medicine
Occupational Medicine

4301069704 (MI)

Reviews for DR. MARK GARY SINGER M. D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1831308782, 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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 3 → 6 3 → 6 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 6 + 0 + 1 + 6 + 7 + 1 + 6 + 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 1831308782.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831308782, enumerated as an "individual" on May 21, 2007.

The provider is located at 777 JOSLYN AVE MC 483-720-420 PONTIAC, MI 48340 and the phone number is (248) 857-0599.

General Practice with taxonomy code 208D00000X.