LINAS VICTOR MASTIS M.D.
NPI 1548502503
Internal Medicine - Critical Care Medicine in Saint Clair Shores, MI

NPI Status: Active since March 18, 2013

Contact Information

22621 HARPER AVE
SAINT CLAIR SHORES, MI
ZIP 48080
Phone: (586) 612-1964
Fax: (586) 778-9469

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  • Individual
  • Male
  • Internal Medicine
  • Critical Care Medicine

About LINAS MASTIS

This page provides the complete NPI Profile along with additional information for Linas Mastis, an internist established in Saint Clair Shores, Michigan with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1548502503 assigned on March 2013. The practitioner's primary taxonomy code is 207RC0200X with license number 4301058819 (MI). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1548502503
Provider Name
LINAS VICTOR MASTIS M.D.
Gender
Male
Entity Type
Individual
Location Address
22621 HARPER AVE SAINT CLAIR SHORES, MI 48080
Location Phone
(586) 612-1964
Location Fax
(586) 778-9469
Mailing Address
22621 HARPER AVE SAINT CLAIR SHORES, MI 48080
Mailing Phone
(586) 612-1964
Mailing Fax
(586) 778-9469
Is Sole Proprietor?
Yes
Enumeration Date
03-18-2013
Last Update Date
03-18-2013
Code Navigator

An internist like Linas Mastis 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 Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
License No.
4301058819
License State
MI
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

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)
1207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

4301058819 (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 1548502503, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 5 → 10 → 1 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 0 + 0 + 4 + 5 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1548502503.

Other Providers at the Same Location


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

Dentist
22621 HARPER AVE
SAINT CLAIR SHORES, MI 48080
Dentist
22621 HARPER AVE
SAINT CLAIR SHORES, MI 48080

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548502503, enumerated as an "individual" on March 18, 2013.

The provider is located at 22621 HARPER AVE SAINT CLAIR SHORES, MI 48080 and the phone number is (586) 612-1964.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.