DR. JAMES ALEXANDER LEONARD MD
NPI 1962962928
Otolaryngology - Pediatric Otolaryngology in Washington, DC

NPI Status: Active since March 24, 2019

Contact Information

111 MICHIGAN AVE NW
WASHINGTON, DC
ZIP 20010
Phone: (202) 476-5000

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  • Individual
  • Male
  • Years of Experience 7
  • Otolaryngology
  • Pediatric Otolaryngology
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About JAMES LEONARD

This page provides the complete NPI Profile along with additional information for James Leonard, a provider established in Washington, District Of Columbia with a medical specialization in Otolaryngology, focusing in pediatric otolaryngology and more than 7 years of experience. He graduated from Albert Einstein College Of Medicine Of Yeshiva University in 2019. The healthcare provider is registered in the NPI registry with number 1962962928 assigned on March 2019. The practitioner's primary taxonomy code is 207YP0228X with license number MD600001742 (DC). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1962962928
Provider Name
DR. JAMES ALEXANDER LEONARD MD
Gender
Male
Entity Type
Individual
Location Address
111 MICHIGAN AVE NW WASHINGTON, DC 20010
Location Phone
(202) 476-5000
Mailing Address
PO BOX 744785 ATLANTA, GA 30374
Mailing Phone
(202) 476-5000
Medical School Name
ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduation Year
2019
Is Sole Proprietor?
No
Enumeration Date
03-24-2019
Last Update Date
08-21-2025
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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

Otolaryngology Pediatric Otolaryngology

Taxonomy Code
207YP0228X
Type
Allopathic & Osteopathic Physicians
License No.
MD600001742
License State
DC
Taxonomy Description
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.

Medicare Participation & PECOS Enrollment Status

James Leonard 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.

James Leonard 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: 6608373014

    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: I20251009003764

    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 DR. JAMES ALEXANDER LEONARD MD

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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 1962962928, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 2 + 2 + 1 + 8 + 6 + 4 + 9 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1962962928.

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 1962962928, enumerated as an "individual" on March 24, 2019.

The provider is located at 111 MICHIGAN AVE NW WASHINGTON, DC 20010 and the phone number is (202) 476-5000.

Otolaryngology with taxonomy code 207YP0228X and a focus in Pediatric Otolaryngology.