RECONSTRUCTIVE SERVICES MEDICAL GROUP, INC
NPI 1992851893
Surgery - Surgical Oncology in Orange, CA

NPI Status: Active since January 25, 2007

Contact Information

212 E CHAPMAN AVE
ORANGE, CA
ZIP 92866
Phone: (714) 633-9761
Fax: (714) 633-0802

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  • Organization
  • Surgery
  • Surgical Oncology

About RECONSTRUCTIVE SERVICES MEDICAL GROUP, INC

This page provides the complete NPI Profile along with additional information for Reconstructive Services Medical Group, Inc, a provider established in Orange, California operating as a Surgery, focusing in surgical oncology . The healthcare provider is registered in the NPI registry with number 1992851893 assigned on January 2007. The practitioner's primary taxonomy code is 2086X0206X with license number G25063 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Reconstructive Services Medical Group, Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Glenn R Allison M.d. (President)

NPI
1992851893
Provider Name
RECONSTRUCTIVE SERVICES MEDICAL GROUP, INC
Entity Type
Organization
Location Address
212 E CHAPMAN AVE ORANGE, CA 92866
Location Phone
(714) 633-9761
Location Fax
(714) 633-0802
Mailing Address
212 E CHAPMAN AVE ORANGE, CA 92866
Mailing Phone
(714) 633-9761
Mailing Fax
(714) 633-0802
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-25-2007
Last Update Date
09-11-2025
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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

Surgery Surgical Oncology

Taxonomy Code
2086X0206X
Type
Allopathic & Osteopathic Physicians
License No.
G25063
License State
CA
Taxonomy Description
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

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)
1207Y00000XAllopathic & Osteopathic Physicians

Otolaryngology

G25063 (CA)
22086S0122XAllopathic & Osteopathic Physicians

Surgery
Plastic and Reconstructive Surgery

G25063 (CA)

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.

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

DR. GLENN R ALLISON M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(714) 633-9761

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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 1992851893, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 9 → 18 → 9 8 → 16 → 7 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 5 + 2 + 8 + 1 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1992851893.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Surgery (Surgical Oncology)
212 E CHAPMAN AVE
ORANGE, CA 92866

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992851893, enumerated as an "organization" on January 25, 2007.

The provider is located at 212 E CHAPMAN AVE ORANGE, CA 92866 and the phone number is (714) 633-9761.

Surgery with taxonomy code 2086X0206X and a focus in Surgical Oncology.