DR. MICHAEL GROSSMAN MD
NPI 1659488997
Internal Medicine - Cardiovascular Disease in Phoenix, AZ

NPI Status: Active since August 24, 2006

Contact Information

550 E VAN BUREN ST
BUILDING 3, ROOM 3261
PHOENIX, AZ
ZIP 85004
Phone: (602) 631-6551

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About MICHAEL GROSSMAN

This page provides the complete NPI Profile along with additional information for Michael Grossman, an internist established in Phoenix, Arizona with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1659488997 assigned on August 2006. The practitioner's primary taxonomy code is 207RC0000X with license number 12579 (AZ). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1659488997
Provider Name
DR. MICHAEL GROSSMAN MD
Gender
Male
Entity Type
Individual
Location Address
550 E VAN BUREN ST BUILDING 3, ROOM 3261 PHOENIX, AZ 85004
Location Phone
(602) 631-6551
Mailing Address
550 E VAN BUREN ST BUILDING 3, ROOM 3261 PHOENIX, AZ 85004
Is Sole Proprietor?
No
Enumeration Date
08-24-2006
Last Update Date
07-24-2007
Code Navigator

An internist like Michael Grossman 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
12579
License State
AZ
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

G-13749 (CA)

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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 1659488997, we treat the final digit (7) 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 83. The final step is to find the difference between that total and the next multiple of ten (90 - 83 = 7).

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
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 5 → 10 → 1 4 → 8 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 8 + 8 + 1 + 6 + 9 + 1 + 8 + 24 = 83

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

The next multiple of ten after 83 is 90. The difference is the calculated check digit.

90 - 83 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1659488997.

Other Providers at the Same Location


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

Internal Medicine
550 E VAN BUREN ST
PHOENIX, AZ 85004
Pharmacist (Pharmacotherapy)
550 E VAN BUREN ST
PHOENIX, AZ 85004
Pharmacist
550 E VAN BUREN ST, BUILDING 1 ROOM 1167
PHOENIX, AZ 85004

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659488997, enumerated as an "individual" on August 24, 2006.

The provider is located at 550 E VAN BUREN ST BUILDING 3, ROOM 3261 PHOENIX, AZ 85004 and the phone number is (602) 631-6551.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.