THOMAS WAYNE BERTSCH MD
NPI 1235180944
Internal Medicine - Critical Care Medicine in Sacramento, CA
NPI Status: Active since May 15, 2006
Contact Information
4600 BROADWAY
STE 1300
SACRAMENTO, CA
ZIP 95820
Phone: (916) 874-9823
Fax: (916) 874-2689
- Individual
- Male
- Internal Medicine
- Critical Care Medicine
About THOMAS BERTSCH
This page provides the complete NPI Profile along with additional information for Thomas Bertsch, an internist established in Sacramento, California with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1235180944 assigned on May 2006. The practitioner's primary taxonomy code is 207RC0200X with license number G86836 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1235180944
- Provider Name
- THOMAS WAYNE BERTSCH MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4600 BROADWAY STE 1300 SACRAMENTO, CA 95820
- Location Phone
- (916) 874-9823
- Location Fax
- (916) 874-2689
- Mailing Address
- PO BOX 388 ROSEVILLE, CA 95678
- Mailing Phone
- (916) 771-6764
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-15-2006
- Last Update Date
- 09-11-2025
- Code Navigator
An internist like Thomas Bertsch 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 Critical Care Medicine
- Taxonomy Code
- 207RC0200X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G86836
- License State
- CA
- Taxonomy Description
- An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
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 | 192363 (NY) |
| 2 | 207RP1001X | Allopathic & Osteopathic Physicians | Internal Medicine | G86836 (CA) |
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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 1235180944, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
SACRAMENTO, CA 95820
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1235180944, enumerated as an "individual" on May 15, 2006.
The provider is located at 4600 BROADWAY STE 1300 SACRAMENTO, CA 95820 and the phone number is (916) 874-9823.
Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.
