WILLOWBROOK CARDIOVASCULAR ASSOCIATES
NPI 1194789974
Internal Medicine - Cardiovascular Disease in Houston, TX
NPI Status: Active since April 17, 2006
Contact Information
13300 HARGRAVE RD
STE 500
HOUSTON, TX
ZIP 77070
Phone: (281) 890-4848
Fax: (281) 890-4885
- Organization
- Internal Medicine
- Cardiovascular Disease
- CLIA Number: 45D1049868
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 01-18-2028
About WILLOWBROOK CARDIOVASCULAR ASSOCIATES
This page provides the complete NPI Profile along with additional information for Willowbrook Cardiovascular Associates, an internist established in Houston, Texas operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1194789974 assigned on April 2006. The practitioner's primary taxonomy code is 207RC0000X with license number 207RC0000X (TX). The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's other name is Willowbrook Cardiovascular Associates. The authorized official of this NPI record is Dr. John Charles Isaac M.d, (Chief Finacial Officer)
- NPI
- 1194789974
- Provider Legal Name
- WILLOWBROOK CARDIOVASCULAR ASSOCIATES, P.A.
- Other Organization Name
- WILLOWBROOK CARDIOVASCULAR ASSOCIATES
- Other Name Type
- Other Name (5)
- Entity Type
- Organization
- Location Address
- 13300 HARGRAVE RD STE 500 HOUSTON, TX 77070
- Location Phone
- (281) 890-4848
- Location Fax
- (281) 890-4885
- Mailing Address
- 13300 HARGRAVE RD STE 500 HOUSTON, TX 77070
- Mailing Phone
- (281) 890-4848
- Mailing Fax
- (281) 890-4885
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 04-17-2006
- Last Update Date
- 03-10-2010
- Code Navigator
An internist like Willowbrook Cardiovascular Associates 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.
- 207RC0000X
- License State
- TX
- 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) |
|---|---|---|---|---|
| 1 | 207RC0001X | Allopathic & Osteopathic Physicians | Internal Medicine | 207RC0001X (TX) |
| 2 | 207RI0011X | Allopathic & Osteopathic Physicians | Internal Medicine | 207RI0011X (TX) |
Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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 |
|---|---|---|---|
| 151663501 | MEDICAID (05) | TX | |
| 00695T | MEDICARE PIN (08) | TX |
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 45D1049868
- Facility Type
- Physician Office
- Certificate Effective Date
- January 19, 2026
- Certificate Expiration Date
- January 18, 2028
- Laboratory Director
- JOHN C. ISSAC
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Willowbrook Cardiovascular Associates to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
Reviews for WILLOWBROOK CARDIOVASCULAR ASSOCIATES
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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 1194789974, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 76 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 18 providers are registered at the same or a nearby location.
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
HOUSTON, TX 77070
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194789974, enumerated as an "organization" on April 17, 2006.
The provider is located at 13300 HARGRAVE RD STE 500 HOUSTON, TX 77070 and the phone number is (281) 890-4848.
Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
