RACHEL ELIZABETH KNAPP MD
NPI 1164164414
Pediatrics - Adolescent Medicine in Plattsburgh, NY

NPI Status: Active since April 08, 2022

Contact Information

18 FEATHERS DR
PLATTSBURGH, NY
ZIP 12901
Phone: (518) 324-2040

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  • Individual
  • Female
  • Pediatrics
  • Adolescent Medicine
  • PECOS Enrolled

About RACHEL KNAPP

This page provides the complete NPI Profile along with additional information for Rachel Knapp, a pediatrician established in Plattsburgh, New York with a medical specialization in Pediatrics, focusing in adolescent medicine . The healthcare provider is registered in the NPI registry with number 1164164414 assigned on April 2022. The practitioner's primary taxonomy code is 2080A0000X with license number 335459 (NY). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1164164414
Provider Name
RACHEL ELIZABETH KNAPP MD
Gender
Female
Entity Type
Individual
Location Address
18 FEATHERS DR PLATTSBURGH, NY 12901
Location Phone
(518) 324-2040
Mailing Address
18 FEATHERS DR PLATTSBURGH, NY 12901
Mailing Phone
(518) 324-2040
Is Sole Proprietor?
Yes
Enumeration Date
04-08-2022
Last Update Date
09-25-2025
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A pediatrician like Rachel Knapp 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

  • 1600 Rockland Rd
    Wilmington, DE 19803
    (302) 651-4200

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 Adolescent Medicine

Taxonomy Code
2080A0000X
Type
Allopathic & Osteopathic Physicians
License No.
335459
License State
NY
Taxonomy Description
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Medicare Participation & PECOS Enrollment Status

Rachel Knapp 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

  • 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

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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 1164164414, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 2 + 6 + 8 + 4 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1164164414.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Pediatrics
18 FEATHERS DR
PLATTSBURGH, NY 12901
Pediatrics
18 FEATHERS DR
PLATTSBURGH, NY 12901
Pediatrics
18 FEATHERS DR
PLATTSBURGH, NY 12901

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164164414, enumerated as an "individual" on April 08, 2022.

The provider is located at 18 FEATHERS DR PLATTSBURGH, NY 12901 and the phone number is (518) 324-2040.

Pediatrics with taxonomy code 2080A0000X and a focus in Adolescent Medicine.