DR. JOHN A. STANDEFER JR. MD
NPI 1801926720
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Dallas, TX

NPI Status: Active since March 07, 2007

Contact Information

17311 DALLAS PARKWAY
DALLAS, TX
ZIP 75248
Phone: (214) 540-0371
Fax: (214) 540-0781

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  • Individual
  • Male
  • Otolaryngology
  • Otolaryngology/Facial Plastic Surgery
  • PECOS Enrolled
  • Opted-Out Medicare

About JOHN STANDEFER

This page provides the complete NPI Profile along with additional information for John Standefer, a provider established in Dallas, Texas with a medical specialization in Otolaryngology, focusing in otolaryngology/facial plastic surgery . The healthcare provider is registered in the NPI registry with number 1801926720 assigned on March 2007. The practitioner's primary taxonomy code is 207YX0905X with license number F2038 (TX). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1801926720
Provider Name
DR. JOHN A. STANDEFER JR. MD
Gender
Male
Entity Type
Individual
Location Address
17311 DALLAS PARKWAY DALLAS, TX 75248
Location Phone
(214) 540-0371
Location Fax
(214) 540-0781
Mailing Address
17311 DALLAS PARKWAY DALLAS, TX 75248
Mailing Phone
(214) 540-0371
Mailing Fax
(214) 540-0781
Is Sole Proprietor?
Yes
Enumeration Date
03-07-2007
Last Update Date
01-17-2018
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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. John Standefer opted out of Medicare effective on 06-26-2017 until 06-26-2027. 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

Otolaryngology Otolaryngology/Facial Plastic Surgery

Taxonomy Code
207YX0905X
Type
Allopathic & Osteopathic Physicians
License No.
F2038
License State
TX
Taxonomy Description
An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.

Medicare Participation & PECOS Enrollment Status

John Standefer 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: 06-26-2017

  • Opt-Out End Date: 06-26-2027

  • 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

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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 1801926720, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 0 → 0 9 → 18 → 9 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 1 + 8 + 2 + 1 + 2 + 7 + 4 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1801926720.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801926720, enumerated as an "individual" on March 07, 2007.

The provider is located at 17311 DALLAS PARKWAY DALLAS, TX 75248 and the phone number is (214) 540-0371.

Otolaryngology with taxonomy code 207YX0905X and a focus in Otolaryngology/Facial Plastic Surgery.