MARWA QAISER MD
NPI 1962089409
Internal Medicine - Pulmonary Disease in Norwalk, CT
NPI Status: Active since March 29, 2021
Contact Information
34 MAPLE ST
NORWALK, CT
ZIP 06850
Phone: (203) 852-2000
- Individual
- Female
- Internal Medicine
- Pulmonary Disease
About MARWA QAISER
This page provides the complete NPI Profile along with additional information for Marwa Qaiser, an internist established in Norwalk, Connecticut with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1962089409 assigned on March 2021. The practitioner's primary taxonomy code is 207RP1001X with license number 83871 (CT). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1962089409
- Provider Name
- MARWA QAISER MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 34 MAPLE ST NORWALK, CT 06850
- Location Phone
- (203) 852-2000
- Mailing Address
- 34 MAPLE ST NORWALK, CT 06850
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-29-2021
- Last Update Date
- 02-13-2026
- Code Navigator
An internist like Marwa Qaiser is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Pulmonary Disease
- Taxonomy Code
- 207RP1001X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 83871
- License State
- CT
- Taxonomy Description
- An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
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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 1962089409, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
NORWALK, CT 06850
NORWALK, CT 06850
NORWALK, CT 06850
NORWALK, CT 06850
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1962089409, enumerated as an "individual" on March 29, 2021.
The provider is located at 34 MAPLE ST NORWALK, CT 06850 and the phone number is (203) 852-2000.
Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.
