PROF. MARVIN LYLE BIRNBAUM MD
NPI 1003075573
Internal Medicine - Critical Care Medicine in Madison, WI

NPI Status: Active since June 09, 2008

Contact Information

3330 UNIVERSITY AVE
SUITE 300
MADISON, WI
ZIP 53705
Phone: (608) 263-9641
Fax: (608) 265-4429

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  • Individual
  • Male
  • Internal Medicine
  • Critical Care Medicine

About MARVIN BIRNBAUM

This page provides the complete NPI Profile along with additional information for Marvin Birnbaum, an internist established in Madison, Wisconsin with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1003075573 assigned on June 2008. The practitioner's primary taxonomy code is 207RC0200X with license number 14237020 (WI). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1003075573
Provider Name
PROF. MARVIN LYLE BIRNBAUM MD
Gender
Male
Entity Type
Individual
Location Address
3330 UNIVERSITY AVE SUITE 300 MADISON, WI 53705
Location Phone
(608) 263-9641
Location Fax
(608) 265-4429
Mailing Address
3330 UNIVERSITY AVE SUITE 300 MADISON, WI 53705
Mailing Phone
(608) 263-9641
Mailing Fax
(608) 265-4429
Is Sole Proprietor?
No
Enumeration Date
06-09-2008
Last Update Date
05-31-2026
Code Navigator

An internist like Marvin Birnbaum 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.
14237020
License State
WI
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.

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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 1003075573, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 0 → 0 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 0 + 7 + 1 + 0 + 5 + 1 + 4 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1003075573.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Marriage & Family Therapist
3330 UNIVERSITY AVE
MADISON, WI 53705

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003075573, enumerated as an "individual" on June 09, 2008.

The provider is located at 3330 UNIVERSITY AVE SUITE 300 MADISON, WI 53705 and the phone number is (608) 263-9641.

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