JOHNS HOPKINS UNIVERSITY
NPI 1104300334
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD

NPI Status: Active since September 24, 2018

Contact Information

2024 E MONUMENT ST
BALTIMORE, MD
ZIP 21287
Phone: (410) 837-4181

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  • Organization
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About JOHNS HOPKINS UNIVERSITY

This page provides the complete NPI Profile along with additional information for Johns Hopkins University, an internist established in Baltimore, Maryland operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1104300334 assigned on September 2018. The practitioner's primary taxonomy code is 207RE0101X. The provider is registered as an organization and their NPI record was last updated March 2026. Johns Hopkins University operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Nicholas Giarratano (Director, Provider Enrollment)

NPI
1104300334
Provider Legal Name
JOHNS HOPKINS UNIVERSITY
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
2024 E MONUMENT ST BALTIMORE, MD 21287
Location Phone
(410) 837-4181
Mailing Address
PO BOX 64264 BALTIMORE, MD 21264
Mailing Phone
(410) 933-6423
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
09-24-2018
Last Update Date
03-18-2026
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

Secondary Locations

  • 600 N Wolfe St
    Baltimore, MD 21287
    (410) 955-5000

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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

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

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

First medicare diabetes prevention program (mdpp) core session was attended by an mdpp beneficiary under the mdpp expanded model (em). a core session is an mdpp service that: (1) is furnished by an mdpp supplier during months 1 through 6 of the mdpp servic

The Medicare Diabetes Prevention Program (MDPP) is designed to prevent the onset of type 2 diabetes. The first core session attended by a beneficiary is part of the initial 6-month stage. These sessions, provided by an MDPP supplier, offer education and support to reduce diabetes risk.

This service was performed 25 times for 25 patients

Four total medicare diabetes prevention program (mdpp) core sessions were attended by an mdpp beneficiary under the mdpp expanded model (em). a core session is an mdpp service that: (1) is furnished by an mdpp supplier during months 1 through 6 of the mdpp

The Medicare Diabetes Prevention Program (MDPP) is a service designed to help beneficiaries prevent type 2 diabetes. Under the expanded model, a beneficiary attended four core sessions in the first 6 months. These sessions are provided by MDPP suppliers and offer guidance on healthy lifestyle changes.

This service was performed 21 times for 21 patients

Nine total medicare diabetes prevention program (mdpp) core sessions were attended by an mdpp beneficiary under the mdpp expanded model (em). a core session is an mdpp service that: (1) is furnished by an mdpp supplier during months 1 through 6 of the mdpp

The Medicare Diabetes Prevention Program (MDPP) core sessions are educational services provided by MDPP suppliers during the first 6 months of the program. These sessions, attended by an MDPP beneficiary, help prevent diabetes by offering guidance on healthy lifestyle choices.

This service was performed 12 times for 12 patients

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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 1104300334, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 0 → 0 3 → 6 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 6 + 0 + 0 + 3 + 6 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1104300334.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Internal Medicine
2024 E MONUMENT ST, 2-600
BALTIMORE, MD 21287
Psychologist
2024 E MONUMENT ST, SUITE 1-500D
BALTIMORE, MD 21287
Internal Medicine
2024 E MONUMENT ST, SUITE 2-622
BALTIMORE, MD 21287
Internal Medicine
2024 E MONUMENT ST, ROOM 2-617
BALTIMORE, MD 21287
Audiologist
2024 E MONUMENT ST
BALTIMORE, MD 21287
Nutritionist
2024 E MONUMENT ST
BALTIMORE, MD 21287
Health Educator
2024 E MONUMENT ST
BALTIMORE, MD 21287
Health Educator
2024 E MONUMENT ST
BALTIMORE, MD 21287
Health and Wellness Coach
2024 E MONUMENT ST
BALTIMORE, MD 21287
Health Educator
2024 E MONUMENT ST
BALTIMORE, MD 21287
Health Educator
2024 E MONUMENT ST
BALTIMORE, MD 21287
Internal Medicine
2024 E MONUMENT ST, SUITE 2-300D
BALTIMORE, MD 21287

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104300334, enumerated as an "organization" on September 24, 2018.

The provider is located at 2024 E MONUMENT ST BALTIMORE, MD 21287 and the phone number is (410) 837-4181.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.