WILLIAM KEENAN MD
NPI 1023063393
Pediatrics - Neonatal-Perinatal Medicine in Saint Louis, MO

NPI Status: Active since May 24, 2006

Contact Information

1465 S GRAND BLVD
SAINT LOUIS, MO
ZIP 63104
Phone: (314) 268-4101
Fax: (314) 577-5379

NPI Profile Information
Primary Taxonomy
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Pediatrics
Neonatal-Perinatal Medicine
PECOS Enrolled

About WILLIAM KEENAN

This page provides the complete NPI Profile along with additional information for William Keenan, a pediatrician established in Saint Louis, Missouri with a medical specialization in Pediatrics, focusing in neonatal-perinatal medicine . The healthcare provider is registered in the NPI registry with number 1023063393 assigned on May 2006. The practitioner's primary taxonomy code is 2080N0001X with license number R8A21 (MO). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI: 1023063393
Provider Name: WILLIAM KEENAN MD
Gender: Male
Entity Type: Individual
Location Address: 1465 S GRAND BLVD SAINT LOUIS, MO 63104
Location Phone: (314) 268-4101
Location Fax: (314) 577-5379
Mailing Address: 3691 RUTGER AVE ST. LOUIS, MO 63110
Mailing Phone: (314) 977-6828
Mailing Fax: (314) 577-5379
Is Sole Proprietor?: No
Enumeration Date: 05-24-2006
Last Update Date: 08-26-2015
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A pediatrician like William Keenan 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 Neonatal-Perinatal Medicine
Taxonomy Code: 2080N0001X
Type: Allopathic & Osteopathic Physicians
License No.: R8A21
License State: MO
Taxonomy Description: A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Medicare Participation & PECOS Enrollment Status

William Keenan 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: Durable Medical Equipment (DME) 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
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
Eligible to Order or Refer Power Mobility Devices: Yes

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 1023063393, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 2 → 4 0 → 0 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 + 0 + 4 + 3 + 0 + 6 + 6 + 3 + 1 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1023063393.