CAROLINE KNADLER PA-C
NPI 1891061669
Physician Assistant - Surgical in New York, NY

NPI Status: Active since March 27, 2012

Contact Information

523 E 72ND ST
HAND & UPPER EXTREMITY DEPT.
NEW YORK, NY
ZIP 10021
Phone: (212) 606-1546

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  • Individual
  • Female
  • Physician Assistant
  • Surgical
  • PECOS Enrolled
  • Opted-Out Medicare

About CAROLINE KNADLER

This page provides the complete NPI Profile along with additional information for Caroline Knadler, a provider established in New York, New York with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1891061669 assigned on March 2012. The practitioner's primary taxonomy code is 363AS0400X with license number 016017 (NY). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1891061669
Provider Name
CAROLINE KNADLER PA-C
Gender
Female
Entity Type
Individual
Location Address
523 E 72ND ST HAND & UPPER EXTREMITY DEPT. NEW YORK, NY 10021
Location Phone
(212) 606-1546
Mailing Address
523 E 72ND ST OFFICE OF DR. MICHELLE CARLSON, 4TH FLOOR NEW YORK, NY 10021
Mailing Phone
(212) 606-1546
Is Sole Proprietor?
No
Enumeration Date
03-27-2012
Last Update Date
04-27-2021
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Caroline Knadler opted out of Medicare effective on 01-29-2016 until 01-29-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

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

Physician Assistant Surgical

Taxonomy Code
363AS0400X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
016017
License State
NY

Medicare Participation & PECOS Enrollment Status

Caroline Knadler 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 01-29-2016

  • Opt-Out End Date: 01-29-2026

  • Eligible to Order and Refer? 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

Reviews for CAROLINE KNADLER PA-C

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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 1891061669, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 9 → 18 → 9 0 → 0 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 0 + 6 + 2 + 6 + 1 + 2 + 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 1891061669.

Other Providers at the Same Location


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

Physician Assistant
523 E 72ND ST
NEW YORK, NY 10021
Clinic/Center (Medical Specialty)
523 E 72ND ST, 6TH FLOOR ROOM 604
NEW YORK, NY 10021
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
523 E 72ND ST
NEW YORK, NY 10021
Durable Medical Equipment & Medical Supplies
523 E 72ND ST, SUITE 506
NEW YORK, NY 10021
Specialist
523 E 72ND ST, 8TH FLOOR
NEW YORK, NY 10021
Obstetrics & Gynecology (Obstetrics)
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery
523 E 72ND ST, 6TH FLOOR
NEW YORK, NY 10021
Orthopaedic Surgery
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery
523 E 72ND ST
NEW YORK, NY 10021
General Acute Care Hospital
523 E 72ND ST, 8TH FLOOR
NEW YORK, NY 10021
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
523 E 72ND ST, 7TH FLOOR
NEW YORK, NY 10021
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
523 E 72ND ST, 7TH FLOOR
NEW YORK, NY 10021
Physician Assistant
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery (Sports Medicine)
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
523 E 72ND ST
NEW YORK, NY 10021
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
523 E 72ND ST
NEW YORK, NY 10021
Obstetrics & Gynecology (Maternal & Fetal Medicine)
523 E 72ND ST, NINTH FLOOR
NEW YORK, NY 10021
Orthopaedic Surgery
523 E 72ND ST, 3RD FLOOR
NEW YORK, NY 10021
Physician Assistant
523 E 72ND ST, 3RD FLOOR
NEW YORK, NY 10021

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891061669, enumerated as an "individual" on March 27, 2012.

The provider is located at 523 E 72ND ST HAND & UPPER EXTREMITY DEPT. NEW YORK, NY 10021 and the phone number is (212) 606-1546.

Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.