DR. GREGORY LEONARD KOONTZ DMD
NPI 1417064437
Dentist - Periodontics in Oceanside, CA

NPI Status: Active since August 24, 2006

Contact Information

200 MERCY CIRCLE
OCEANSIDE, CA
ZIP 92055
Phone: (757) 300-6695

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  • Individual
  • Male
  • Dentist
  • Periodontics
  • Accepts Insurance

About GREGORY KOONTZ

This page provides the complete NPI Profile along with additional information for Gregory Koontz, a provider established in Oceanside, California with a medical specialization in Dentist, focusing in periodontics . The healthcare provider is registered in the NPI registry with number 1417064437 assigned on August 2006. The practitioner's primary taxonomy code is 1223P0300X with license number 0401411550 (VA). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1417064437
Provider Name
DR. GREGORY LEONARD KOONTZ DMD
Gender
Male
Entity Type
Individual
Location Address
200 MERCY CIRCLE OCEANSIDE, CA 92055
Location Phone
(757) 300-6695
Mailing Address
11612 MILBERN DR POTOMAC, MD 20854
Is Sole Proprietor?
No
Enumeration Date
08-24-2006
Last Update Date
07-12-2024
Code Navigator

A dentist like Gregory Koontz is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Periodontics

Taxonomy Code
1223P0300X
Type
Dental Providers
License No.
0401411550
License State
VA
Taxonomy Description
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

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)
11223P0300XDental Providers

Dentist
Periodontics

28850 (TX)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Reviews for DR. GREGORY LEONARD KOONTZ DMD

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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 1417064437, 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
4
Unchanged
Pos 3
1
Doubled → 2
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 1 → 2 0 → 0 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 0 + 6 + 8 + 4 + 6 + 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 1417064437.

Other Providers at the Same Location


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

Emergency Medicine
200 MERCY CIRCLE, NAVAL HOSPITAL CAMP PENDLETON
CAMP PENDLETON, CA 92055
Physical Therapist
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Military Hospital
200 MERCY CIRCLE, ATTENTION: CODE 00QM
CAMP PENDLETON, CA 92055
Student in an Organized Health Care Education/Training Program
200 MERCY CIRCLE, ATTN: MEDICAL STAFF SERVICES
CAMP PENDLETON, CA 92055
Surgery
200 MERCY CIRCLE, NAVAL HOSPITAL CAMP PENDLETON
CAMP PENDLETON, CA 92055
Nurse Practitioner (Psychiatric/Mental Health)
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Nurse Practitioner
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Family Medicine
200 MERCY CIRCLE, NAVAL HOSPITAL CAMP PENDLETON
CAMP PENDLETON, CA 92055
Student in an Organized Health Care Education/Training Program
200 MERCY CIRCLE, NAVAL HOSPITAL CAMP PENDLETON
CAMP PENDLETON, CA 92055
Nurse Practitioner (Pediatrics)
200 MERCY CIRCLE, BOX 555191 NAVAL HOSPITAL CAMP PENDLETON
CAMP PENDLETON, CA 92055
Dietitian, Registered
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Psychologist (Clinical)
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Radiology (Diagnostic Radiology)
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Dentist
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Student in an Organized Health Care Education/Training Program
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Psychologist (Clinical)
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Military Health Care Provider
200 MERCY CIRCLE, PHARMACY DEPARTMENT
CAMP PENDLETON, CA 92055
Military Health Care Provider
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Physician Assistant
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Pediatrics
200 MERCY CIRCLE
OCEANSIDE, CA 92055

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417064437, enumerated as an "individual" on August 24, 2006.

The provider is located at 200 MERCY CIRCLE OCEANSIDE, CA 92055 and the phone number is (757) 300-6695.

Dentist with taxonomy code 1223P0300X and a focus in Periodontics.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Blue Cross. Please consult your insurance carrier or call the provider to verify.