LOUIS W. APOSTOLAKIS M.D.
NPI 1790908341
Specialist in West Lake Hills, TX

NPI Status: Active since April 11, 2007

Contact Information

5656 BEE CAVE RD
E-201
WEST LAKE HILLS, TX
ZIP 78746
Phone: (512) 329-8989
Fax: (512) 329-8890

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  • Individual
  • Male
  • Specialist
  • PECOS Enrolled
  • Opted-Out Medicare

About LOUIS APOSTOLAKIS

This page provides the complete NPI Profile along with additional information for Louis Apostolakis, a provider established in West Lake Hills, Texas with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1790908341 assigned on April 2007. The practitioner's primary taxonomy code is 174400000X with license number L2104 (TX). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1790908341
Provider Name
LOUIS W. APOSTOLAKIS M.D.
Gender
Male
Entity Type
Individual
Location Address
5656 BEE CAVE RD E-201 WEST LAKE HILLS, TX 78746
Location Phone
(512) 329-8989
Location Fax
(512) 329-8890
Mailing Address
5656 BEE CAVE RD E-201 WEST LAKE HILLS, TX 78746
Mailing Phone
(512) 329-8989
Mailing Fax
(512) 329-8890
Is Sole Proprietor?
No
Enumeration Date
04-11-2007
Last Update Date
07-08-2007
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Louis Apostolakis opted out of Medicare effective on 04-01-2012 until 04-01-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
L2104
License State
TX
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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
L2104OTHER (01)TXMEDICAL LIS
H48559MEDICARE UPIN (02)TN 

Medicare Participation & PECOS Enrollment Status

Louis Apostolakis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 04-01-2012

  • Opt-Out End Date: 04-01-2026

  • Eligible to Order and Refer? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for LOUIS W. APOSTOLAKIS M.D.

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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 1790908341, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
1
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 8 + 0 + 1 + 8 + 0 + 1 + 6 + 3 + 8 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1790908341.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Therapist
5656 BEE CAVE RD, STE 101-B
WEST LAKE HILLS, TX 78746
Ophthalmology
5656 BEE CAVE RD, SUITE F 200
WEST LAKE HILLS, TX 78746
Physician Assistant
5656 BEE CAVE RD, SUITE K200
WEST LAKE HILLS, TX 78746
Physician Assistant (Surgical)
5656 BEE CAVE RD
WEST LAKE HILLS, TX 78746
Optometrist (Vision Therapy)
5656 BEE CAVE RD, SUITE D-201
WEST LAKE HILLS, TX 78746
General Acute Care Hospital
5656 BEE CAVE RD, SUITE M-302
WEST LAKE HILLS, TX 78746
Emergency Medicine
5656 BEE CAVE RD, SUITE M-302
WEST LAKE HILLS, TX 78746
Dentist
5656 BEE CAVE RD, SUITE J-203
WEST LAKE HILLS, TX 78746
Internal Medicine (Gastroenterology)
5656 BEE CAVE RD, SUITE D205
WEST LAKE HILLS, TX 78746
Psychiatry & Neurology (Neurology)
5656 BEE CAVE RD, J-202
WEST LAKE HILLS, TX 78746
Obstetrics & Gynecology (Gynecology)
5656 BEE CAVE RD, SUITE B101
WEST LAKE HILLS, TX 78746
Internal Medicine (Rheumatology)
5656 BEE CAVE RD, STE J200
WEST LAKE HILLS, TX 78746
Internal Medicine (Rheumatology)
5656 BEE CAVE RD, STE J-200
WEST LAKE HILLS, TX 78746
Chiropractor (Neurology)
5656 BEE CAVE RD, SUITE K201
WEST LAKE HILLS, TX 78746
Pediatrics
5656 BEE CAVE RD, SUITE C-104
WEST LAKE HILLS, TX 78746
Internal Medicine
5656 BEE CAVE RD
WEST LAKE HILLS, TX 78746
Emergency Medicine
5656 BEE CAVE RD
WEST LAKE HILLS, TX 78746
Pediatrics
5656 BEE CAVE RD, SUITE C-104
WEST LAKE HILLS, TX 78746
Durable Medical Equipment & Medical Supplies
5656 BEE CAVE RD, STE B 101
WEST LAKE HILLS, TX 78746
Dentist (General Practice)
5656 BEE CAVE RD
WEST LAKE HILLS, TX 78746

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790908341, enumerated as an "individual" on April 11, 2007.

The provider is located at 5656 BEE CAVE RD E-201 WEST LAKE HILLS, TX 78746 and the phone number is (512) 329-8989.

Specialist with taxonomy code 174400000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.