DR. MARSHALL SACK M.D.
NPI 1902160336
Internal Medicine - Rheumatology in Houston, TX
NPI Status: Active since June 29, 2012
Contact Information
3100 TIMMONS LN
SUITE 250
HOUSTON, TX
ZIP 77027
Phone: (713) 993-0605
Fax: (713) 300-2385
- Individual
- Male
- Internal Medicine
- Rheumatology
About MARSHALL SACK
This page provides the complete NPI Profile along with additional information for Marshall Sack, an internist established in Houston, Texas with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1902160336 assigned on June 2012. The practitioner's primary taxonomy code is 207RR0500X with license number D8607 (TX). The provider is registered as an individual and his NPI record was last updated 14 years ago.
- NPI
- 1902160336
- Provider Name
- DR. MARSHALL SACK M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3100 TIMMONS LN SUITE 250 HOUSTON, TX 77027
- Location Phone
- (713) 993-0605
- Location Fax
- (713) 300-2385
- Mailing Address
- 3100 TIMMONS LN SUITE 250 HOUSTON, TX 77027
- Mailing Phone
- (713) 993-0605
- Mailing Fax
- (713) 300-2385
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-29-2012
- Last Update Date
- 07-02-2012
- Code Navigator
An internist like Marshall Sack 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 Rheumatology
- Taxonomy Code
- 207RR0500X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D8607
- License State
- TX
- Taxonomy Description
- An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
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 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | D8607 (TX) |
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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 1902160336, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
HOUSTON, TX 77027
HOUSTON, TX 77027
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902160336, enumerated as an "individual" on June 29, 2012.
The provider is located at 3100 TIMMONS LN SUITE 250 HOUSTON, TX 77027 and the phone number is (713) 993-0605.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.
