DR. OSSAMA DEAYA ASCHA M.D.
NPI 1659422558
Plastic Surgery in Pomona, CA
NPI Status: Active since January 16, 2007
Contact Information
350 VINTON AVENUE
SUITE 202
POMONA, CA
ZIP 91767
Phone: (909) 629-6417
Fax: (909) 629-4755
- Individual
- Male
- Plastic Surgery
About OSSAMA ASCHA
This page provides the complete NPI Profile along with additional information for Ossama Ascha, a provider established in Pomona, California with a medical specialization in Plastic Surgery. The healthcare provider is registered in the NPI registry with number 1659422558 assigned on January 2007. The practitioner's primary taxonomy code is 208200000X with license number 12249 (HI). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1659422558
- Provider Name
- DR. OSSAMA DEAYA ASCHA M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 350 VINTON AVENUE SUITE 202 POMONA, CA 91767
- Location Phone
- (909) 629-6417
- Location Fax
- (909) 629-4755
- Mailing Address
- 350 VINTON AVE SUITE 202 POMONA, CA 91767
- Mailing Phone
- (909) 629-6417
- Mailing Fax
- (909) 629-4755
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-16-2007
- Last Update Date
- 09-11-2025
- Code Navigator
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
Plastic Surgery
- Taxonomy Code
- 208200000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 12249
- License State
- HI
- Taxonomy Description
- A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.
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 | 208200000X | Allopathic & Osteopathic Physicians | Plastic Surgery | A26396 (CA) |
| 2 | 208600000X | Allopathic & Osteopathic Physicians | Surgery | A26396 (CA) |
| 3 | 208600000X | Allopathic & Osteopathic Physicians | Surgery | 12249 (HI) |
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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 1659422558, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659422558, enumerated as an "individual" on January 16, 2007.
The provider is located at 350 VINTON AVENUE SUITE 202 POMONA, CA 91767 and the phone number is (909) 629-6417.
Plastic Surgery with taxonomy code 208200000X.
