ERIC J CARLSON M.D.
NPI 1235197625
Ophthalmology in Philadelphia, PA
NPI Status: Active since May 03, 2006
Contact Information
BOSLEY MEDICAL GROUP
1601 MARKET ST, STE 2410
PHILADELPHIA, PA
ZIP 19103
Phone: (215) 564-4444
- Individual
- Male
- Ophthalmology
About ERIC CARLSON
This page provides the complete NPI Profile along with additional information for Eric Carlson, a provider established in Philadelphia, Pennsylvania with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1235197625 assigned on May 2006. The practitioner's primary taxonomy code is 207W00000X with license number 210352 (MA). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1235197625
- Provider Name
- ERIC J CARLSON M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- BOSLEY MEDICAL GROUP 1601 MARKET ST, STE 2410 PHILADELPHIA, PA 19103
- Location Phone
- (215) 564-4444
- Mailing Address
- 706 LARCHWOOD RD VILLANOVA, PA 19085
- Mailing Phone
- (215) 564-4444
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-03-2006
- Last Update Date
- 05-24-2026
- Code Navigator
Ophthalmologists like Eric Carlson 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.
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
Ophthalmology
- Taxonomy Code
- 207W00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 210352
- 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 1235197625, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1235197625, enumerated as an "individual" on May 03, 2006.
The provider is located at BOSLEY MEDICAL GROUP 1601 MARKET ST, STE 2410 PHILADELPHIA, PA 19103 and the phone number is (215) 564-4444.
Ophthalmology with taxonomy code 207W00000X.
