GREGG CATHOLIC
NPI 1346107927
Physician Assistant - Medical in Cleveland, OH

NPI Status: Active since January 06, 2026

Contact Information

12201 EUCLID AVE
CLEVELAND, OH
ZIP 44106
Phone: (216) 721-4010

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  • Individual
  • Male
  • Physician Assistant
  • Medical

About GREGG CATHOLIC

This page provides the complete NPI Profile along with additional information for Gregg Catholic, a primary care provider established in Cleveland, Ohio with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1346107927 assigned on January 2026. The practitioner's primary taxonomy code is 363AM0700X. The provider is registered as an individual and his NPI record was last updated January 2026. Gregg Catholic operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1346107927
Provider Name
GREGG CATHOLIC
Gender
Male
Entity Type
Individual
Location Address
12201 EUCLID AVE CLEVELAND, OH 44106
Location Phone
(216) 721-4010
Mailing Address
14221 TRISKETT RD APT 203E CLEVELAND, OH 44111
Is Sole Proprietor?
Yes
Enumeration Date
01-06-2026
Last Update Date
01-06-2026
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A primary care provider (PCP) like Gregg Catholic sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1346107927, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
3
Unchanged
Pos 3
4
Doubled → 8
Pos 4
6
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 4 → 8 1 → 2 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 2 + 0 + 1 + 4 + 9 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1346107927.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Family Medicine
12201 EUCLID AVE
CLEVELAND, OH 44106
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
12201 EUCLID AVE
CLEVELAND, OH 44106
Nurse Practitioner (Family)
12201 EUCLID AVE
CLEVELAND, OH 44106
Physical Therapist
12201 EUCLID AVE
CLEVELAND, OH 44106
Counselor (Addiction (Substance Use Disorder))
12201 EUCLID AVE
CLEVELAND, OH 44106
Social Worker
12201 EUCLID AVE
CLEVELAND, OH 44106
Registered Nurse
12201 EUCLID AVE
CLEVELAND, OH 44106
Counselor (Addiction (Substance Use Disorder))
12201 EUCLID AVE
CLEVELAND, OH 44106
Registered Nurse (Psychiatric/Mental Health)
12201 EUCLID AVE
CLEVELAND, OH 44106
Pharmacy (Community/Retail Pharmacy)
12201 EUCLID AVE
CLEVELAND, OH 44106
Counselor (Mental Health)
12201 EUCLID AVE
CLEVELAND, OH 44106
Psychologist (Clinical)
12201 EUCLID AVE
CLEVELAND, OH 44106
Registered Nurse
12201 EUCLID AVE
CLEVELAND, OH 44106
Registered Nurse
12201 EUCLID AVE
CLEVELAND, OH 44106
Registered Nurse
12201 EUCLID AVE
CLEVELAND, OH 44106
Licensed Practical Nurse
12201 EUCLID AVE
CLEVELAND, OH 44106
Counselor
12201 EUCLID AVE
CLEVELAND, OH 44106
Pharmacy Technician
12201 EUCLID AVE
CLEVELAND, OH 44106
Family Medicine
12201 EUCLID AVE
CLEVELAND, OH 44106

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346107927, enumerated as an "individual" on January 06, 2026.

The provider is located at 12201 EUCLID AVE CLEVELAND, OH 44106 and the phone number is (216) 721-4010.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.