NPI 1003012196
Internal Medicine in Houston, TX

NPI Status: Active since June 25, 2007

Contact Information

1200 BINZ ST STE 500
ZIP 77004
Phone: (713) 520-9800
Fax: (713) 520-9175

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  • Organization
  • Internal Medicine


Amer Zaheer, M.d.,p.a. is an internist established in Houston, Texas operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1003012196 assigned on June 2007. The practitioner's primary taxonomy code is 207R00000X with license number K1961 (TX). The provider is registered as an organization and their NPI record was last updated 4 years ago. Amer Zaheer, M.d.,p.a. operates as a multi-specialty business group with one or more individual providers who practice different areas of specialization. The authorized official of this NPI record is Dr. Amer Zaheer (M.d.)

Provider Name
Entity Type
Location Address
1200 BINZ ST STE 500 HOUSTON, TX 77004
Location Phone
(713) 520-9800
Location Fax
(713) 520-9175
Mailing Address
1200 BINZ ST STE 500 HOUSTON, TX 77004
Mailing Phone
(713) 520-9800
Mailing Fax
(713) 520-9175
Is Sole Proprietor?
Is Organization Subpart?
Enumeration Date
Last Update Date
Code Navigator

An internist like Amer Zaheer, M.d.,p.a. 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.

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.


Internal Medicine

Taxonomy Code
Allopathic & Osteopathic Physicians
License No.
License State
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.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name


Authorized Official Title
Authorized Official Phone
(713) 520-9800

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NPI Validation Check Digit Calculation

The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 0 + 0 + 3 + 0 + 1 + 4 + 1 + 1 + 8 + 24 = 44
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
50 - 44 = 66

The NPI number 1003012196 is valid because the calculated check digit 6 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location

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

NPI Name / Type Taxonomy Address
1821395567ADNAN YOUSUF, M.D., P.A.
Family Medicine (Adult Medicine)1200 BINZ ST STE 500
(713) 520-9800

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003012196, enumerated in the NPI registry as an "organization" on June 25, 2007

The provider is located at 1200 Binz St Ste 500 Houston, Tx 77004 and the phone number is (713) 520-9800

This medical organization specializes in Internal Medicine with taxonomy code 207R00000X

This NPI record was last updated on June 25, 2007. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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