HANNAH MARK
NPI 1891624367
Physical Therapist in New York, NY
NPI Status: Active since May 19, 2026
Contact Information
780 8TH AVE STE 300
NEW YORK, NY
ZIP 10036
Phone: (212) 245-1841
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Physical Therapist
About HANNAH MARK
This page provides the complete NPI Profile along with additional information for Hannah Mark, a provider established in New York, New York with a medical specialization in Physical Therapist. The healthcare provider is registered in the NPI registry with number 1891624367 assigned on May 2026. The practitioner's primary taxonomy code is 225100000X with license number 052463 (NY). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1891624367
- Provider Name
- HANNAH MARK
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 780 8TH AVE STE 300 NEW YORK, NY 10036
- Location Phone
- (212) 245-1841
- Mailing Address
- 780 8TH AVE STE 300 NEW YORK, NY 10036
- Mailing Phone
- (212) 245-1841
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-19-2026
- Last Update Date
- 05-19-2026
- Code Navigator
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
Physical Therapist
- Taxonomy Code
- 225100000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 052463
- License State
- NY
- Taxonomy Description
- Physical therapists (PTs) are licensed health care professionals who diagnose and treat individuals of all ages, from newborns to the very oldest, who have medical problems or other health-related conditions that limit their abilities to move and perform functional activities in their daily lives. PTs examine each individual and develop a plan using treatment techniques to promote the ability to move, reduce pain, restore function, and prevent disability. In addition, PTs work with individuals to prevent the loss of mobility before it occurs by developing fitness- and wellness-oriented programs for healthier and more active lifestyles. PTs:
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
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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 1891624367, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891624367, enumerated as an "individual" on May 19, 2026.
The provider is located at 780 8TH AVE STE 300 NEW YORK, NY 10036 and the phone number is (212) 245-1841.
Physical Therapist with taxonomy code 225100000X.
