JOHNS HOPKINS UNIVERSITY
NPI 1265369003
Internal Medicine in Bethesda, MD

NPI Status: Active since May 06, 2026

Contact Information

7315 WISCONSIN AVE STE 700
BETHESDA, MD
ZIP 20814
Phone: (240) 235-9100

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  • Organization
  • Internal Medicine

About JOHNS HOPKINS UNIVERSITY

This page provides the complete NPI Profile along with additional information for Johns Hopkins University, an internist established in Bethesda, Maryland operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1265369003 assigned on May 2026. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated May 2026. Johns Hopkins University operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Nicholas Giarratano (Director, Provider Enrollment)

NPI
1265369003
Provider Name
JOHNS HOPKINS UNIVERSITY
Entity Type
Organization
Location Address
7315 WISCONSIN AVE STE 700 BETHESDA, MD 20814
Location Phone
(240) 235-9100
Mailing Address
6201 GREENLEIGH AVE MIDDLE RIVER, MD 21220
Mailing Phone
(410) 933-0000
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-06-2026
Last Update Date
05-06-2026
Code Navigator

An internist like Johns Hopkins University 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

NICHOLAS GIARRATANO

Authorized Official Title
DIRECTOR, PROVIDER ENROLLMENT
Authorized Official Phone
(410) 933-0000

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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 1265369003, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
3
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 6 → 12 → 3 3 → 6 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 2 + 5 + 6 + 6 + 1 + 8 + 0 + 0 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1265369003.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Neurology)
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814
Psychiatry & Neurology (Neurology)
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814
Internal Medicine
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814
Nurse Practitioner (Adult Health)
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814
Internal Medicine
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814
Internal Medicine (Endocrinology, Diabetes & Metabolism)
7315 WISCONSIN AVE STE 700
BETHESDA, MD 20814

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265369003, enumerated as an "organization" on May 06, 2026.

The provider is located at 7315 WISCONSIN AVE STE 700 BETHESDA, MD 20814 and the phone number is (240) 235-9100.

Internal Medicine with taxonomy code 207R00000X.