Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. BARBARA HOPE OSBORN M.D.
NPI 1699760579
Specialist in Washington, DC

Active since September 15, 2005
3800 RESERVOIR RD NW, 3RD FLOOR GORMAN, WASHINGTON, DC 20007(202) 444-1511 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Specialist

About BARBARA OSBORN

This page provides the complete NPI Profile along with additional information for Barbara Osborn, a provider established in Washington, District Of Columbia with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1699760579 assigned on September 2005. The practitioner's primary taxonomy code is 174400000X with license number MD33860 (DC). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1699760579
Provider Name
DR. BARBARA HOPE OSBORN M.D.
Gender
Female
Entity Type
Individual
Location Address
3800 RESERVOIR RD NW 3RD FLOOR GORMAN WASHINGTON, DC 20007
Location Phone
(202) 444-1511
Mailing Address
15001 SHADY GROVE RD SUITE340 ROCKVILLE, MD 20850
Mailing Phone
(301) 340-1188
Mailing Fax
(301) 340-6478
Is Sole Proprietor?
No
Enumeration Date
09-15-2005
Last Update Date
07-13-2026
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
MD33860
License State
DC
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Reviews for DR. BARBARA HOPE OSBORN M.D.

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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 1699760579, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 9 → 18 → 9 7 → 14 → 5 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 4 + 6 + 0 + 5 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1699760579.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Urology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Gastroenterology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Audiologist
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Endocrinology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine (Allergy & Immunology)
3800 RESERVOIR RD NW, RM B-105 LOWER LEVEL KOBER-COGAN BLDG, GEORGETOWN UNIV
WASHINGTON, DC 20007
Nurse Anesthetist, Certified Registered
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Critical Care Medicine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine (Hematology & Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Body Imaging)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Hematology-Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine (Nephrology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology (Maternal & Fetal Medicine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Dermatology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Body Imaging)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Surgery (Plastic and Reconstructive Surgery)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699760579, enumerated as an "individual" on September 15, 2005.

The provider is located at 3800 RESERVOIR RD NW 3RD FLOOR GORMAN WASHINGTON, DC 20007 and the phone number is (202) 444-1511.

Specialist with taxonomy code 174400000X.