DR. JAMES KEENE BRENNAN M.D.
NPI 1659634145
Internal Medicine - Hematology in Clearwater, FL

NPI Status: Active since June 19, 2012

Contact Information

743 ELDORADO AVE
CLEARWATER, FL
ZIP 33767
Phone: (727) 443-7225
Fax: (727) 443-7225

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  • Individual
  • Male
  • Internal Medicine
  • Hematology

About JAMES BRENNAN

This page provides the complete NPI Profile along with additional information for James Brennan, an internist established in Clearwater, Florida with a medical specialization in Internal Medicine, focusing in hematology . The healthcare provider is registered in the NPI registry with number 1659634145 assigned on June 2012. The practitioner's primary taxonomy code is 207RH0000X with license number ME 76349 (FL). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1659634145
Provider Name
DR. JAMES KEENE BRENNAN M.D.
Gender
Male
Entity Type
Individual
Location Address
743 ELDORADO AVE CLEARWATER, FL 33767
Location Phone
(727) 443-7225
Location Fax
(727) 443-7225
Mailing Address
743 ELDORADO AVE CLEARWATER, FL 33767
Mailing Phone
(727) 443-7225
Mailing Fax
(727) 443-7225
Is Sole Proprietor?
Yes
Enumeration Date
06-19-2012
Last Update Date
06-19-2012
Code Navigator

An internist like James Brennan 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 Hematology

Taxonomy Code
207RH0000X
Type
Allopathic & Osteopathic Physicians
License No.
ME 76349
License State
FL
Taxonomy Description
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

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
$$$$$$$$$AMEDICARE PIN (08)FL 

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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 1659634145, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

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 + 1 + 2 + 3 + 8 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1659634145.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659634145, enumerated as an "individual" on June 19, 2012.

The provider is located at 743 ELDORADO AVE CLEARWATER, FL 33767 and the phone number is (727) 443-7225.

Internal Medicine with taxonomy code 207RH0000X and a focus in Hematology.

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