CALIFORNIA ORAL AND IMPLANT SURGERY
NPI 1033060173
Dentist - Oral and Maxillofacial Surgery in California, MD

NPI Status: Active since February 05, 2026

Contact Information

22926 THREE NOTCH RD STE 103
CALIFORNIA, MD
ZIP 20619
Phone: (301) 685-5688
Fax: (301) 558-3627

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  • Organization
  • Dentist
  • Oral and Maxillofacial Surgery

About CALIFORNIA ORAL AND IMPLANT SURGERY

This page provides the complete NPI Profile along with additional information for California Oral And Implant Surgery, a provider established in California, Maryland operating as a Dentist, focusing in oral and maxillofacial surgery . The healthcare provider is registered in the NPI registry with number 1033060173 assigned on February 2026. The practitioner's primary taxonomy code is 1223S0112X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is John Mcelveen Md, Pharmd, Dds (Owner)

NPI
1033060173
Provider Name
CALIFORNIA ORAL AND IMPLANT SURGERY
Entity Type
Organization
Location Address
22926 THREE NOTCH RD STE 103 CALIFORNIA, MD 20619
Location Phone
(301) 685-5688
Location Fax
(301) 558-3627
Mailing Address
22926 THREE NOTCH RD STE 103 CALIFORNIA, MD 20619
Mailing Phone
(301) 685-5688
Mailing Fax
(301) 558-3627
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-05-2026
Last Update Date
02-05-2026
Code Navigator

A dentist like California Oral And Implant Surgery 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.

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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

Dentist Oral and Maxillofacial Surgery

Taxonomy Code
1223S0112X
Type
Dental Providers
Taxonomy Description
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JOHN MCELVEEN MD, PHARMD, DDS

Authorized Official Title
OWNER
Authorized Official Phone
(301) 685-5688

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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 1033060173, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 0 + 6 + 0 + 1 + 1 + 4 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1033060173.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033060173, enumerated as an "organization" on February 05, 2026.

The provider is located at 22926 THREE NOTCH RD STE 103 CALIFORNIA, MD 20619 and the phone number is (301) 685-5688.

Dentist with taxonomy code 1223S0112X and a focus in Oral and Maxillofacial Surgery.