DR. RANDALL LEE AHN PHD, MLIS
NPI 1093939399
Psychologist - Clinical Child & Adolescent in Fontana, CA
NPI Status: Active since April 11, 2007
Contact Information
16465 SIERRA LAKES PKWY STE 140
FONTANA, CA
ZIP 92336
Phone: (909) 244-9593
Fax: (833) 903-0337
- Individual
- Male
- Psychologist
- Clinical Child & Adolescent
- PECOS Enrolled
About RANDALL AHN
This page provides the complete NPI Profile along with additional information for Randall Ahn, a provider established in Fontana, California with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1093939399 assigned on April 2007. The practitioner's primary taxonomy code is 103TC2200X with license number PSY13956 (CA). The provider is registered as an individual and his NPI record was last updated 2 years ago.
- NPI
- 1093939399
- Provider Name
- DR. RANDALL LEE AHN PHD, MLIS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 16465 SIERRA LAKES PKWY STE 140 FONTANA, CA 92336
- Location Phone
- (909) 244-9593
- Location Fax
- (833) 903-0337
- Mailing Address
- 241 E 17TH ST # 1029 COSTA MESA, CA 92627
- Mailing Phone
- (949) 414-7149
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-11-2007
- Last Update Date
- 05-07-2024
- Code Navigator
Location Map
Secondary Locations
- 5201 Great America Pkwy Ste 320
Santa Clara, CA 95054
(323) 205-7088 - 3137 Dwight Rd Ste 600
Elk Grove, CA 95758
(909) 244-9593
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
Psychologist Clinical Child & Adolescent
- Taxonomy Code
- 103TC2200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PSY13956
- License State
- CA
- Taxonomy Description
- A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| PSY13956 | OTHER (01) | CA | PSYCHOLOGY LICENSE |
Medicare Participation & PECOS Enrollment Status
Randall Ahn is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
Eligible to Order or Refer Power Mobility Devices: No
Reviews for DR. RANDALL LEE AHN PHD, MLIS
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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 1093939399, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
FONTANA, CA 92336
FONTANA, CA 92336
FONTANA, CA 92336
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1093939399, enumerated as an "individual" on April 11, 2007.
The provider is located at 16465 SIERRA LAKES PKWY STE 140 FONTANA, CA 92336 and the phone number is (909) 244-9593.
Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
