DR. MARGARET T TAW M.D.
NPI 1013083518
Technician/Technologist - Ophthalmic in Anaheim, CA

NPI Status: Active since November 27, 2006

Contact Information

3356 W. BALL RD. STE. #206
ANAHEIM, CA
ZIP 92804
Phone: (714) 828-5919

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  • Individual
  • Female
  • Technician/Technologist
  • Ophthalmic
  • PECOS Enrolled

About MARGARET TAW

This page provides the complete NPI Profile along with additional information for Margaret Taw, a provider established in Anaheim, California with a medical specialization in Technician/technologist, focusing in ophthalmic . The healthcare provider is registered in the NPI registry with number 1013083518 assigned on November 2006. The practitioner's primary taxonomy code is 156FX1100X with license number A33315 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1013083518
Provider Name
DR. MARGARET T TAW M.D.
Gender
Female
Entity Type
Individual
Location Address
3356 W. BALL RD. STE. #206 ANAHEIM, CA 92804
Location Phone
(714) 828-5919
Mailing Address
8222 LANCASTER DRIVE HUNTINGTON BEACH, CA 92647
Mailing Phone
(714) 848-9895
Is Sole Proprietor?
Yes
Enumeration Date
11-27-2006
Last Update Date
07-08-2007
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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

Technician/Technologist Ophthalmic

Taxonomy Code
156FX1100X
Type
Eye and Vision Services Providers
License No.
A33315
License State
CA
Taxonomy Description
An ophthalmic technician/technologist assists ophthalmologists by performing ophthalmic clinical functions, including administering eye exams, administering eye medications, and instructing the patient in care and use of corrective lenses.

Medicare Participation & PECOS Enrollment Status

Margaret Taw 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

  • 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 1013083518, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 0 + 8 + 6 + 5 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1013083518.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013083518, enumerated as an "individual" on November 27, 2006.

The provider is located at 3356 W. BALL RD. STE. #206 ANAHEIM, CA 92804 and the phone number is (714) 828-5919.

Technician/Technologist with taxonomy code 156FX1100X and a focus in Ophthalmic.