JAN A. KYLSTRA MD
NPI 1497761605
Ophthalmology in Stoneham, MA

NPI Status: Active since July 31, 2006

Contact Information

3 WOODLAND RD
SUITE 210
STONEHAM, MA
ZIP 02180
Phone: (781) 662-5520

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  • Individual
  • Male
  • Ophthalmology

About JAN KYLSTRA

This page provides the complete NPI Profile along with additional information for Jan Kylstra, a provider established in Stoneham, Massachusetts with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1497761605 assigned on July 2006. The practitioner's primary taxonomy code is 207W00000X with license number 52891 (MA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1497761605
Provider Name
JAN A. KYLSTRA MD
Gender
Male
Entity Type
Individual
Location Address
3 WOODLAND RD SUITE 210 STONEHAM, MA 02180
Location Phone
(781) 662-5520
Mailing Address
3 WOODLAND RD SUITE 210 STONEHAM, MA 02180
Mailing Phone
(781) 662-5520
Is Sole Proprietor?
No
Enumeration Date
07-31-2006
Last Update Date
02-29-2016
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Ophthalmologists like Jan Kylstra specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
52891
License State
MA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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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 1497761605, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
Check
5
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 7 → 14 → 5 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 4 + 6 + 2 + 6 + 0 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1497761605.

Other Providers at the Same Location


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

Family Medicine
3 WOODLAND RD, SUITE 119
STONEHAM, MA 02180
Specialist
3 WOODLAND RD, SUITE 312
STONEHAM, MA 02180
Internal Medicine (Cardiovascular Disease)
3 WOODLAND RD, STE 422 NORTH SUBURBAN CARDIOLOGY
STONEHAM, MA 02180
Family Medicine
3 WOODLAND RD, 100
STONEHAM, MA 02180
Internal Medicine (Geriatric Medicine)
3 WOODLAND RD, 309
STONEHAM, MA 02180
Obstetrics & Gynecology
3 WOODLAND RD, 415
STONEHAM, MA 02180
Ophthalmology
3 WOODLAND RD, SUITE 112
STONEHAM, MA 02180
Internal Medicine (Interventional Cardiology)
3 WOODLAND RD, SUITE 421
STONEHAM, MA 02180
Podiatrist (Foot Surgery)
3 WOODLAND RD, SUITE 411
STONEHAM, MA 02180
Social Worker (Clinical)
3 WOODLAND RD, STE 418
STONEHAM, MA 02180
Obstetrics & Gynecology (Gynecology)
3 WOODLAND RD, STE 202
STONEHAM, MA 02180
Orthopaedic Surgery
3 WOODLAND RD, SUITE 318
STONEHAM, MA 02180
Orthopaedic Surgery
3 WOODLAND RD, SUITE 318
STONEHAM, MA 02180
Internal Medicine (Cardiovascular Disease)
3 WOODLAND RD, SUITE 421
STONEHAM, MA 02180
Internal Medicine (Cardiovascular Disease)
3 WOODLAND RD, SUITE 421
STONEHAM, MA 02180
Nurse Practitioner
3 WOODLAND RD, SUITE 421
STONEHAM, MA 02180
Surgery
3 WOODLAND RD
STONEHAM, MA 02180
Nurse Practitioner
3 WOODLAND RD, SUITE 306
STONEHAM, MA 02180
Internal Medicine (Rheumatology)
3 WOODLAND RD, SUITE 413
STONEHAM, MA 02180
Surgery
3 WOODLAND RD, SUITE 300
STONEHAM, MA 02180

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497761605, enumerated as an "individual" on July 31, 2006.

The provider is located at 3 WOODLAND RD SUITE 210 STONEHAM, MA 02180 and the phone number is (781) 662-5520.

Ophthalmology with taxonomy code 207W00000X.