DR. GRACE MENDROS-RUFFNER
NPI 1316613599
Pediatrics in Washington, DC

NPI Status: Active since August 18, 2021

Contact Information

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010
Phone: (202) 476-5694

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  • Individual
  • Female
  • Pediatrics

About GRACE MENDROS-RUFFNER

This page provides the complete NPI Profile along with additional information for Grace Mendros-ruffner, a pediatrician established in Washington, District Of Columbia with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1316613599 assigned on August 2021. The practitioner's primary taxonomy code is 208000000X with license number MTL500002841 (DC). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1316613599
Provider Name
DR. GRACE MENDROS-RUFFNER
Gender
Female
Entity Type
Individual
Location Address
111 MICHIGAN AVE NW WASHINGTON, DC 20010
Location Phone
(202) 476-5694
Mailing Address
111 MICHIGAN AVE NW WASHINGTON, DC 20010
Mailing Phone
(202) 476-5694
Is Sole Proprietor?
No
Enumeration Date
08-18-2021
Last Update Date
07-01-2025
Code Navigator

A pediatrician like Grace Mendros-ruffner is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

Secondary Locations

  • 800 Stanton L Young Blvd
    Oklahoma City, OK 73104
    (405) 271-2316

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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
MTL500002841
License State
DC
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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)
1390200000XStudent, 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 1316613599, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 1 → 2 6 → 12 → 3 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 2 + 1 + 6 + 5 + 1 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1316613599.

Other Providers at the Same Location


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

Physical Medicine & Rehabilitation
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Allergy/Immunology)
111 MICHIGAN AVE NW, 111 MICHIGAN AVENUE, NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Internal Medicine
111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTER
WASHINGTON, DC 20010
Pediatrics (Pediatric Pulmonology)
111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTER, SUITE 1030
WASHINGTON, DC 20010
Internal Medicine (Cardiovascular Disease)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Gastroenterology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Critical Care Medicine)
111 MICHIGAN AVE NW, CMIO
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW, GASTROENTEROLOGY, WW2.5
WASHINGTON, DC 20010
Nurse Practitioner (Pediatrics)
111 MICHIGAN AVE NW, UROLOGY
WASHINGTON, DC 20010
Pediatrics (Pediatric Critical Care Medicine)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Nurse Practitioner
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW, WEST WING, FLOOR 1.5 SUITE 600
WASHINGTON, DC 20010
Pediatrics (Pediatric Emergency Medicine)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Nephrology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Anesthesiology
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Emergency Medicine)
111 MICHIGAN AVE NW, CNMC- DIVISION OF EMERGENCY MEDICINE
WASHINGTON, DC 20010
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316613599, enumerated as an "individual" on August 18, 2021.

The provider is located at 111 MICHIGAN AVE NW WASHINGTON, DC 20010 and the phone number is (202) 476-5694.

Pediatrics with taxonomy code 208000000X.