DR. JOHN KECKHUT PARRON M.D.
NPI 1689810731
Orthopaedic Surgery - Sports Medicine in Closter, NJ

NPI Status: Active since December 19, 2008

Contact Information

235 CLOSTER DOCK RD
CLOSTER, NJ
ZIP 07624
Phone: (201) 767-1908
Fax: (201) 767-3097

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

Individual
Male
Orthopaedic Surgery
Sports Medicine
PECOS Enrolled

About JOHN PARRON

This page provides the complete NPI Profile along with additional information for John Parron, a provider established in Closter, New Jersey with a medical specialization in Orthopaedic Surgery, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1689810731 assigned on December 2008. The practitioner's primary taxonomy code is 207XX0005X with license number 25MA09047800 (NJ). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1689810731
Provider Name: DR. JOHN KECKHUT PARRON M.D.
Gender: Male
Entity Type: Individual
Location Address: 235 CLOSTER DOCK RD CLOSTER, NJ 07624
Location Phone: (201) 767-1908
Location Fax: (201) 767-3097
Mailing Address: 235 CLOSTER DOCK RD CLOSTER, NJ 07624
Mailing Phone: (201) 767-1908
Mailing Fax: (201) 767-3097
Is Sole Proprietor?: Yes
Enumeration Date: 12-19-2008
Last Update Date: 10-08-2025
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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: Orthopaedic Surgery Sports Medicine
Taxonomy Code: 207XX0005X
Type: Allopathic & Osteopathic Physicians
License No.: 25MA09047800
License State: NJ
Taxonomy Description: An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

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)
1	207X00000X	Allopathic & Osteopathic Physicians	Orthopaedic Surgery	25MA09047800 (NJ)
2	207X00000X	Allopathic & Osteopathic Physicians	Orthopaedic Surgery	MT186285 (PA)

Medicare Participation & PECOS Enrollment Status

John Parron 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

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 1689810731, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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 → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 6

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 8 → 16 → 7 8 → 16 → 7 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 6 + 1 + 0 + 7 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1689810731.