MR. MARVIN PIETRUSZKA M.D.
NPI 1740393446
Internal Medicine in Reseda, CA

NPI Status: Active since August 16, 2006

Contact Information

19234 VANOWEN ST
RESEDA, CA
ZIP 91335
Phone: (310) 914-9150
Fax: (310) 914-9705

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  • Individual
  • Male
  • Internal Medicine
  • CLIA Number: 05D0558455
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 08-31-2026

About MARVIN PIETRUSZKA

This page provides the complete NPI Profile along with additional information for Marvin Pietruszka, an internist established in Reseda, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1740393446 assigned on August 2006. The practitioner's primary taxonomy code is 207R00000X with license number A30858 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1740393446
Provider Name
MR. MARVIN PIETRUSZKA M.D.
Gender
Male
Entity Type
Individual
Location Address
19234 VANOWEN ST RESEDA, CA 91335
Location Phone
(310) 914-9150
Location Fax
(310) 914-9705
Mailing Address
19234 VANOWEN ST RESEDA, CA 91335
Mailing Phone
(310) 914-9150
Mailing Fax
(310) 914-9705
Is Sole Proprietor?
Yes
Enumeration Date
08-16-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Marvin Pietruszka 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A30858
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A30858MEDICARE ID-TYPE UNSPECIFIED (04)CA 
A26259MEDICARE UPIN (02)CA 
00A308580MEDICAID (05)CA 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D0558455
Facility Type
Independent
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
MARVIN PIETRUSZKA
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Marvin Pietruszka to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1740393446, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 6 + 9 + 6 + 4 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1740393446.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
19234 VANOWEN ST
RESEDA, CA 91335
Internal Medicine
19234 VANOWEN ST
RESEDA, CA 91335
Non-Pharmacy Dispensing Site
19234 VANOWEN ST
RESEDA, CA 91335

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740393446, enumerated as an "individual" on August 16, 2006.

The provider is located at 19234 VANOWEN ST RESEDA, CA 91335 and the phone number is (310) 914-9150.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.