DR. STUART MITCHELL CLARK O.D.
NPI 1235299389
Optometrist - Vision Therapy in West Lawn, PA

NPI Status: Active since December 11, 2006

Contact Information

2209 QUARRY DR
SUITE A - 13, 14
WEST LAWN, PA
ZIP 19609
Phone: (610) 685-2733

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  • Individual
  • Male
  • Optometrist
  • Vision Therapy

About STUART CLARK

This page provides the complete NPI Profile along with additional information for Stuart Clark, a provider established in West Lawn, Pennsylvania with a medical specialization in Optometrist, focusing in vision therapy . The healthcare provider is registered in the NPI registry with number 1235299389 assigned on December 2006. The practitioner's primary taxonomy code is 152WV0400X with license number OEG000660 (PA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1235299389
Provider Name
DR. STUART MITCHELL CLARK O.D.
Gender
Male
Entity Type
Individual
Location Address
2209 QUARRY DR SUITE A - 13, 14 WEST LAWN, PA 19609
Location Phone
(610) 685-2733
Mailing Address
508 MAPLEWOOD DR DOUGLASSVILLE, PA 19518
Mailing Phone
(610) 385-6252
Is Sole Proprietor?
Yes
Enumeration Date
12-11-2006
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

Optometrist Vision Therapy

Taxonomy Code
152WV0400X
Type
Eye and Vision Services Providers
License No.
OEG000660
License State
PA
Taxonomy Description
Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.

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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 1235299389, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 4 + 9 + 1 + 8 + 3 + 1 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1235299389.

Other Providers at the Same Location


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

Specialist
2209 QUARRY DR, SUITE C30
READING, PA 19609
Physical Therapist
2209 QUARRY DR, B 23
READING, PA 19609
Counselor (Mental Health)
2209 QUARRY DR, SUITE C36
WEST LAWN, PA 19609
Occupational Therapist
2209 QUARRY DR, SUITE B 23
READING, PA 19609
Physical Therapist
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Counselor (Professional)
2209 QUARRY DR, SUITE C-36
WEST LAWN, PA 19609
Physical Therapist
2209 QUARRY DR, SUITE B23
READING, PA 19609
Developmental Therapist
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Speech-Language Pathologist
2209 QUARRY DR, SUITE B-23
READING, PA 19609
In Home Supportive Care
2209 QUARRY DR, SUITE A-12
WEST LAWN, PA 19609
Behavior Analyst
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Case Manager/Care Coordinator
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Social Worker
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Case Manager/Care Coordinator
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Optometrist (Vision Therapy)
2209 QUARRY DR, SUITE A-13,14
WEST LAWN, PA 19609
Behavior Analyst
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Case Manager/Care Coordinator
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Case Manager/Care Coordinator
2209 QUARRY DR, SUITE B-23
READING, PA 19609
Physical Therapist
2209 QUARRY DR, SUITE B23
READING, PA 19609
Home Health
2209 QUARRY DR, SUITE A-12
WEST LAWN, PA 19609

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235299389, enumerated as an "individual" on December 11, 2006.

The provider is located at 2209 QUARRY DR SUITE A - 13, 14 WEST LAWN, PA 19609 and the phone number is (610) 685-2733.

Optometrist with taxonomy code 152WV0400X and a focus in Vision Therapy.