DAVID ALBERT LOY PH.D.
NPI 1346389418
Psychologist - Family in Oxford, OH

NPI Status: Active since February 06, 2007

Contact Information

115 W WALNUT ST
OXFORD, OH
ZIP 45056
Phone: (513) 523-6698
Fax: (513) 524-4140

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  • Individual
  • Male
  • Psychologist
  • Family
  • PECOS Enrolled

About DAVID LOY

This page provides the complete NPI Profile along with additional information for David Loy, a provider established in Oxford, Ohio with a medical specialization in Psychologist, focusing in family . The healthcare provider is registered in the NPI registry with number 1346389418 assigned on February 2007. The practitioner's primary taxonomy code is 103TF0000X with license number 3458 (OH). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1346389418
Provider Name
DAVID ALBERT LOY PH.D.
Gender
Male
Entity Type
Individual
Location Address
115 W WALNUT ST OXFORD, OH 45056
Location Phone
(513) 523-6698
Location Fax
(513) 524-4140
Mailing Address
115 W WALNUT ST OXFORD, OH 45056
Mailing Phone
(513) 523-6698
Mailing Fax
(513) 524-4140
Is Sole Proprietor?
Yes
Enumeration Date
02-06-2007
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

Psychologist Family

Taxonomy Code
103TF0000X
Type
Behavioral Health & Social Service Providers
License No.
3458
License State
OH
Taxonomy Description
A psychologist whose specialty is founded on principles of systems theory with the interpersonal system of the family the focus of assessment, intervention and 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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

3458 (OH)
2103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

3458 (OH)

Medicare Participation & PECOS Enrollment Status

David Loy 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: 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: No

  • 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

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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 1346389418, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
4
Doubled → 8
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 4 → 8 3 → 6 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 6 + 8 + 1 + 8 + 4 + 2 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1346389418.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Psychologist
115 W WALNUT ST
OXFORD, OH 45056
Psychologist (Clinical)
115 W WALNUT ST
OXFORD, OH 45056
Counselor (Professional)
115 W WALNUT ST
OXFORD, OH 45056

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346389418, enumerated as an "individual" on February 06, 2007.

The provider is located at 115 W WALNUT ST OXFORD, OH 45056 and the phone number is (513) 523-6698.

Psychologist with taxonomy code 103TF0000X and a focus in Family.