MR. JOHN E CARLSON MD
NPI 1659352680
Internal Medicine - Geriatric Medicine in Georgetown, TX
NPI Status: Active since November 08, 2005
Contact Information
4945 WILLIAMS DR
GEORGETOWN, TX
ZIP 78633
Phone: (512) 819-0500
- Individual
- Male
- Internal Medicine
- Geriatric Medicine
About JOHN CARLSON
This page provides the complete NPI Profile along with additional information for John Carlson, an internist established in Georgetown, Texas with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1659352680 assigned on November 2005. The practitioner's primary taxonomy code is 207RG0300X with license number J4742 (TX). The provider is registered as an individual and his NPI record was last updated 4 years ago.
- NPI
- 1659352680
- Provider Name
- MR. JOHN E CARLSON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4945 WILLIAMS DR GEORGETOWN, TX 78633
- Location Phone
- (512) 819-0500
- Mailing Address
- PO BOX 844658 DALLAS, TX 75284
- Mailing Phone
- (800) 994-0371
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-08-2005
- Last Update Date
- 01-18-2022
- Code Navigator
An internist like John Carlson 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 Geriatric Medicine
- Taxonomy Code
- 207RG0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- J4742
- License State
- TX
- Taxonomy Description
- An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
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 | 207RG0300X | Allopathic & Osteopathic Physicians | Internal Medicine | 22442 (SC) |
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.
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 |
|---|---|---|---|
| 9199865 | OTHER (01) | GHI | |
| 510446195 | OTHER (01) | SC | BCBS OF SC |
| 224420 | MEDICAID (05) | SC |
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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 1659352680, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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 70 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.
GEORGETOWN, TX 78633
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659352680, enumerated as an "individual" on November 08, 2005.
The provider is located at 4945 WILLIAMS DR GEORGETOWN, TX 78633 and the phone number is (512) 819-0500.
Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.
The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.
