TEA TU NGUYEN D.P.M.
NPI 1811282494
Podiatrist - Foot & Ankle Surgery in Freedom, CA

NPI Status: Active since June 13, 2011

Contact Information

243 GREEN VALLEY RD STE A
FREEDOM, CA
ZIP 95019
Phone: (831) 728-8844
Fax: (831) 763-1001

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  • Individual
  • Female
  • Podiatrist
  • Foot & Ankle Surgery
  • PECOS Enrolled
  • Opted-Out Medicare

About TEA NGUYEN

This page provides the complete NPI Profile along with additional information for Tea Nguyen, a provider established in Freedom, California with a medical specialization in Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1811282494 assigned on June 2011. The practitioner's primary taxonomy code is 213ES0103X with license number E5256 (CA). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1811282494
Provider Name
TEA TU NGUYEN D.P.M.
Gender
Female
Entity Type
Individual
Location Address
243 GREEN VALLEY RD STE A FREEDOM, CA 95019
Location Phone
(831) 728-8844
Location Fax
(831) 763-1001
Mailing Address
243 GREEN VALLEY RD STE A FREEDOM, CA 95019
Mailing Phone
(831) 288-3400
Mailing Fax
(831) 763-1001
Is Sole Proprietor?
No
Enumeration Date
06-13-2011
Last Update Date
12-18-2018
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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. Tea Nguyen opted out of Medicare effective on 03-26-2021 until 03-26-2027. 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

Podiatrist Foot & Ankle Surgery

Taxonomy Code
213ES0103X
Type
Podiatric Medicine & Surgery Service Providers
License No.
E5256
License State
CA

Medicare Participation & PECOS Enrollment Status

Tea Nguyen 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) and a Home Health Agency (HHA).

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: 03-26-2021

  • Opt-Out End Date: 03-26-2027

  • 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: No

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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 1811282494, 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 4 + 8 + 4 + 4 + 1 + 8 + 24 = 66

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.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1811282494.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Podiatrist (Primary Podiatric Medicine)
243 GREEN VALLEY RD STE A
FREEDOM, CA 95019
Internal Medicine (Nephrology)
243 GREEN VALLEY RD STE A
FREEDOM, CA 95019

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811282494, enumerated as an "individual" on June 13, 2011.

The provider is located at 243 GREEN VALLEY RD STE A FREEDOM, CA 95019 and the phone number is (831) 728-8844.

Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.