KATHERINE ANNA RITTER MD
NPI 1083291785
Pediatrics - Pediatric Emergency Medicine in Washington, DC

NPI Status: Active since March 27, 2021

Contact Information

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010
Phone: (202) 476-3670
Fax: (202) 476-4741

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  • Individual
  • Female
  • Years of Experience 5
  • Pediatrics
  • Pediatric Emergency Medicine
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About KATHERINE RITTER

This page provides the complete NPI Profile along with additional information for Katherine Ritter, a pediatrician established in Washington, District Of Columbia with a medical specialization in Pediatrics, focusing in pediatric emergency medicine and more than 5 years of experience. She graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2021. The healthcare provider is registered in the NPI registry with number 1083291785 assigned on March 2021. The practitioner's primary taxonomy code is 2080P0204X with license number MD500002952 (DC). The provider is registered as an individual and her NPI record was last updated July 2025.

NPI
1083291785
Provider Name
KATHERINE ANNA RITTER MD
Gender
Female
Entity Type
Individual
Location Address
111 MICHIGAN AVE NW WASHINGTON, DC 20010
Location Phone
(202) 476-3670
Location Fax
(202) 476-4741
Mailing Address
111 MICHIGAN AVE NW WASHINGTON, DC 20010
Mailing Phone
(202) 476-3670
Mailing Fax
(202) 476-4741
Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduation Year
2021
Is Sole Proprietor?
No
Enumeration Date
03-27-2021
Last Update Date
07-07-2025
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A pediatrician like Katherine Ritter 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

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 Pediatric Emergency Medicine

Taxonomy Code
2080P0204X
Type
Allopathic & Osteopathic Physicians
License No.
MD500002952
License State
DC
Taxonomy Description
A pediatrician who has special qualifications to manage emergencies in infants and children.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

MD500002952 (DC)

Medicare Participation & PECOS Enrollment Status

Katherine Ritter is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Katherine Ritter is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 42747289

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20241230000599

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for KATHERINE ANNA RITTER MD

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1083291785
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
20163492716
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 0 + 1 + 6 + 3 + 4 + 9 + 2 + 7 + 1 + 6 + 24 = 65
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 65 = 55

The NPI number 1083291785 is valid because the calculated check digit 5 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


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

MARION K. MCALPINE M.D.

Physical Medicine & Rehabilitation

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 476-3094

JANELLE VAUGHNS MD

Anesthesiology

(Pediatric Anesthesiology)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-2025

DR. KELLY D. STONE M.D., PH.D.

Pediatrics

(Pediatric Allergy/Immunology)

111 MICHIGAN AVE NW
111 MICHIGAN AVENUE, NW
WASHINGTON, DC
ZIP 20010

(202) 884-4013

DR. TERRY R KIND M.D., MPH

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-4013

DR. RUTH ELLEN HOLLO MD

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 476-6878

DR. GEETANJALI SRIVASTAVA MD

Pediatrics

(Pediatric Emergency Medicine)

111 MICHIGAN AVE NW
CHILDREN'S NATIONAL MEDICAL CENTER
WASHINGTON, DC
ZIP 20010

(202) 884-4177

DR. LAWRENCE J. D'ANGELO MD

Internal Medicine

111 MICHIGAN AVE NW
CHILDREN'S NATIONAL MEDICAL CENTER
WASHINGTON, DC
ZIP 20010

(202) 476-3068

DR. ANASTASSIOS CONSTANTIN KOUMBOURLIS MD, MPH

Pediatrics

(Pediatric Pulmonology)

111 MICHIGAN AVE NW
CHILDREN'S NATIONAL MEDICAL CENTER, SUITE 1030
WASHINGTON, DC
ZIP 20010

(202) 476-2642

DR. ANITHA SARA JOHN MD PHD

Internal Medicine

(Cardiovascular Disease)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(301) 572-1320

CLARIVET TORRES MD

Pediatrics

(Pediatric Gastroenterology)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-3058

BRIAN R JACOBS M.D.

Pediatrics

(Pediatric Critical Care Medicine)

111 MICHIGAN AVE NW
CMIO
WASHINGTON, DC
ZIP 20010

(202) 884-3969

ANIL DARBARI M.D.

Pediatrics

111 MICHIGAN AVE NW
GASTROENTEROLOGY, WW2.5
WASHINGTON, DC
ZIP 20010

(202) 476-3032

MS. CHRISTINE LYNN DANIELSON CPNP

Nurse Practitioner

(Pediatrics)

111 MICHIGAN AVE NW
UROLOGY
WASHINGTON, DC
ZIP 20010

(202) 476-5042

PETER R. HOLBROOK MD

Pediatrics

(Pediatric Critical Care Medicine)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-3256

DIANE L MORRISON NP

Nurse Practitioner

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 476-5000

PAUL EDWARD MANICONE MD

Pediatrics

111 MICHIGAN AVE NW
WEST WING, FLOOR 1.5 SUITE 600
WASHINGTON, DC
ZIP 20010

(202) 884-5000

DR. PAVAN PRADHUMA ZAVERI MD

Pediatrics

(Pediatric Emergency Medicine)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-4177

DOUGLAS MARC SILVERSTEIN MD

Pediatrics

(Pediatric Nephrology)

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 884-5058

DR. RICHARD R. BOSCO MD

Anesthesiology

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010

(202) 476-5000

DR. LETICIA MANNING RYAN MD

Pediatrics

(Pediatric Emergency Medicine)

111 MICHIGAN AVE NW
CNMC- DIVISION OF EMERGENCY MEDICINE
WASHINGTON, DC
ZIP 20010

(202) 476-4177

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083291785, enumerated as an "individual" on March 27, 2021.

The provider is located at 111 MICHIGAN AVE NW WASHINGTON, DC 20010 and the phone number is (202) 476-3670.

Pediatrics with taxonomy code 2080P0204X and a focus in Pediatric Emergency Medicine.