DR. DENNIS A GLEICHER M.D.
NPI 1992937510
Ophthalmology in Ellicott City, MD
NPI Status: Active since August 15, 2009
Contact Information
11660 MASTERS RUN
ELLICOTT CITY, MD
ZIP 21042
Phone: (410) 730-9757
Fax: (410) 730-8322
- Individual
- Male
- Ophthalmology
About DENNIS GLEICHER
This page provides the complete NPI Profile along with additional information for Dennis Gleicher, a provider established in Ellicott City, Maryland with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1992937510 assigned on August 2009. The practitioner's primary taxonomy code is 207W00000X with license number D0011923 (MD). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1992937510
- Provider Name
- DR. DENNIS A GLEICHER M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 11660 MASTERS RUN ELLICOTT CITY, MD 21042
- Location Phone
- (410) 730-9757
- Location Fax
- (410) 730-8322
- Mailing Address
- 11660 MASTERS RUN ELLICOTT CITY, MD 21042
- Mailing Phone
- (410) 730-9757
- Mailing Fax
- (410) 730-8322
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-15-2009
- Last Update Date
- 08-15-2009
- Code Navigator
Ophthalmologists like Dennis Gleicher 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.
- D0011923
- License State
- MD
- 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 1992937510, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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 70 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992937510, enumerated as an "individual" on August 15, 2009.
The provider is located at 11660 MASTERS RUN ELLICOTT CITY, MD 21042 and the phone number is (410) 730-9757.
Ophthalmology with taxonomy code 207W00000X.
