ISHANI MAHI MBBS
NPI 1497442354
Hospitalist in Washington, DC
NPI Status: Active since April 20, 2023
Contact Information
110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER,
DEPARTMENT OF INTERNAL MEDICINE
WASHINGTON, DC
ZIP 20010
Phone: (202) 877-2835
Fax: (202) 877-8288
- Individual
- Female
- Hospitalist
About ISHANI MAHI
This page provides the complete NPI Profile along with additional information for Ishani Mahi, a provider established in Washington, District Of Columbia with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1497442354 assigned on April 2023. The practitioner's primary taxonomy code is 208M00000X with license number MD600005671 (DC). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1497442354
- Provider Name
- ISHANI MAHI MBBS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER, DEPARTMENT OF INTERNAL MEDICINE WASHINGTON, DC 20010
- Location Phone
- (202) 877-2835
- Location Fax
- (202) 877-8288
- Mailing Address
- 110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER, DEPARTMENT OF INTERNAL MEDICINE WASHINGTON, DC 20010
- Mailing Phone
- (202) 877-2835
- Mailing Fax
- (202) 877-8288
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-20-2023
- Last Update Date
- 05-21-2026
- 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
Hospitalist
- Taxonomy Code
- 208M00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD600005671
- License State
- DC
- Taxonomy Description
- Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | MD600005671 (DC) |
| 2 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
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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 1497442354, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1497442354, enumerated as an "individual" on April 20, 2023.
The provider is located at 110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER, DEPARTMENT OF INTERNAL MEDICINE WASHINGTON, DC 20010 and the phone number is (202) 877-2835.
Hospitalist with taxonomy code 208M00000X.
