NICOLAS ALCALA
NPI 1972139483
Urology in Oak Ridge, TN
NPI Status: Active since March 16, 2020
Contact Information
800 OAK RIDGE TPKE
OAK RIDGE, TN
ZIP 37830
Phone: (865) 483-1093
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Urology
About NICOLAS ALCALA
This page provides the complete NPI Profile along with additional information for Nicolas Alcala, a provider established in Oak Ridge, Tennessee with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1972139483 assigned on March 2020. The practitioner's primary taxonomy code is 208800000X with license number 77320 (TN). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1972139483
- Provider Name
- NICOLAS ALCALA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 800 OAK RIDGE TPKE OAK RIDGE, TN 37830
- Location Phone
- (865) 483-1093
- Mailing Address
- 10200 GRAND CENTRAL AVE STE 220 OWINGS MILLS, MD 21117
- Mailing Phone
- (865) 483-1093
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-16-2020
- Last Update Date
- 06-08-2026
- Code Navigator
Location Map
Secondary Locations
- 9330 Park West Blvd Ste 308
Knoxville, TN 37923
(865) 691-3061 - 321 S Columbia St
Chapel Hill, NC 27514
(919) 801-1885 - 7557 Dannaher Dr Ste 230
Powell, TN 37849
(865) 938-5222 - 550 Town Creek Rd E Ste 203-204
Lenoir City, TN 37772
(865) 986-4743 - 9245 Park West Blvd
Knoxville, TN 37923
(865) 694-7621 - 1405 S Sizer Ave Ste A
Jefferson Cty, TN 37760
(865) 690-3811
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
Urology
- Taxonomy Code
- 208800000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 77320
- License State
- TN
- Taxonomy Description
- A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
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 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
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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 1972139483, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 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.
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
OAK RIDGE, TN 37830
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1972139483, enumerated as an "individual" on March 16, 2020.
The provider is located at 800 OAK RIDGE TPKE OAK RIDGE, TN 37830 and the phone number is (865) 483-1093.
Urology with taxonomy code 208800000X.
