FREDERICK ELLISON HERRO M.D.
NPI 1952536294
Hospitalist in Phoenix, AZ

NPI Status: Active since May 15, 2009

Contact Information

5133 N CENTRAL AVE
SUITE 200
PHOENIX, AZ
ZIP 85012
Phone: (602) 264-1818
Fax: (602) 264-2172

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  • Individual
  • Male
  • Hospitalist

About FREDERICK HERRO

This page provides the complete NPI Profile along with additional information for Frederick Herro, a provider established in Phoenix, Arizona with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1952536294 assigned on May 2009. The practitioner's primary taxonomy code is 208M00000X with license number 4301104129 (MI). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1952536294
Provider Name
FREDERICK ELLISON HERRO M.D.
Gender
Male
Entity Type
Individual
Location Address
5133 N CENTRAL AVE SUITE 200 PHOENIX, AZ 85012
Location Phone
(602) 264-1818
Location Fax
(602) 264-2172
Mailing Address
5133 N CENTRAL AVE SUITE 200 PHOENIX, AZ 85012
Mailing Phone
(602) 264-1818
Mailing Fax
(602) 264-2172
Is Sole Proprietor?
Yes
Enumeration Date
05-15-2009
Last Update Date
08-12-2013
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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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
4301104129
License State
MI
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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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 1952536294, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 5 → 10 → 1 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 0 + 3 + 1 + 2 + 2 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1952536294.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Specialist
5133 N CENTRAL AVE, SUITE 200
PHOENIX, AZ 85012
Specialist
5133 N CENTRAL AVE, SUITE 200
PHOENIX, AZ 85012
Specialist
5133 N CENTRAL AVE, STE 200
PHOENIX, AZ 85012
Specialist
5133 N CENTRAL AVE, SUITE 200
PHOENIX, AZ 85012
Specialist
5133 N CENTRAL AVE, STE 200
PHOENIX, AZ 85012
Anesthesiology
5133 N CENTRAL AVE, SUITE 200
PHOENIX, AZ 85012
Dentist (General Practice)
5133 N CENTRAL AVE, #102
PHOENIX, AZ 85012
Clinic/Center (Ambulatory Surgical)
5133 N CENTRAL AVE, SUITE 100
PHOENIX, AZ 85012
Anesthesiology (Pain Medicine)
5133 N CENTRAL AVE, SUITE 100
PHOENIX, AZ 85012
Anesthesiology (Pain Medicine)
5133 N CENTRAL AVE, SUITE 100
PHOENIX, AZ 85012
Clinic/Center (Ambulatory Surgical)
5133 N CENTRAL AVE, SUITE 100
PHOENIX, AZ 85012
Obstetrics & Gynecology
5133 N CENTRAL AVE, 100
PHOENIX, AZ 85012
Dentist (Endodontics)
5133 N CENTRAL AVE, SUITE 200
PHOENIX, AZ 85012
Urology
5133 N CENTRAL AVE
PHOENIX, AZ 85012

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952536294, enumerated as an "individual" on May 15, 2009.

The provider is located at 5133 N CENTRAL AVE SUITE 200 PHOENIX, AZ 85012 and the phone number is (602) 264-1818.

Hospitalist with taxonomy code 208M00000X.