THOMAS LEO DIANA PH.D.
NPI 1093874281
Psychologist - Health Service in Winona, MN

NPI Status: Active since December 06, 2006

Contact Information

66 E 3RD ST
WINONA, MN
ZIP 55987
Phone: (507) 452-1021
Fax: (507) 452-1504

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  • Individual
  • Male
  • Psychologist
  • Health Service
  • PECOS Enrolled

About THOMAS DIANA

This page provides the complete NPI Profile along with additional information for Thomas Diana, a provider established in Winona, Minnesota with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1093874281 assigned on December 2006. The practitioner's primary taxonomy code is 103TH0100X with license number LP1219 (MN). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1093874281
Provider Name
THOMAS LEO DIANA PH.D.
Gender
Male
Entity Type
Individual
Location Address
66 E 3RD ST WINONA, MN 55987
Location Phone
(507) 452-1021
Location Fax
(507) 452-1504
Mailing Address
66 E 3RD ST WINONA, MN 55987
Mailing Phone
(507) 452-1021
Mailing Fax
(507) 452-1504
Is Sole Proprietor?
No
Enumeration Date
12-06-2006
Last Update Date
01-22-2010
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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 Health Service

Taxonomy Code
103TH0100X
Type
Behavioral Health & Social Service Providers
License No.
LP1219
License State
MN
Taxonomy Description
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

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.

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
126921OTHER (01)MNUCARE
HP41036OTHER (01)MNHEALTHPARTNERS
680002342MEDICARE PIN (08)MN 
731291041000OTHER (01)MNPREFERRED ONE
78G63DIOTHER (01)MNBCBS-MN
200048200MEDICAID (05)MN 

Medicare Participation & PECOS Enrollment Status

Thomas Diana 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

Reviews for THOMAS LEO DIANA PH.D.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1093874281
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
201831678216
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 0 + 1 + 8 + 3 + 1 + 6 + 7 + 8 + 2 + 1 + 6 + 24 = 69
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 69 = 11

The NPI number 1093874281 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 6 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1659432912 DOROTHY M. HERZING LICSW
Individual
Social Worker (Clinical)66 E 3RD ST 201
WINONA, MN 55987
(507) 452-7292
1710048350 DANIEL J KONKEL LPP
Individual
Psychologist (Clinical)66 E 3RD ST 201
WINONA, MN 55987
(507) 452-7292
1326100645 RUTH M MATHEWS PH.D.
Individual
Psychologist (Clinical)66 E 3RD ST 201
WINONA, MN 55987
(507) 452-7292
1003978024 DIANE V PETZ M.S., L.P.
Individual
Psychologist (Clinical)66 E 3RD ST 201
WINONA, MN 55987
(507) 452-7292
1255483491 MARCY VAN FOSSEN PH.D.
Individual
Psychologist (Clinical)66 E 3RD ST 201
WINONA, MN 55987
(507) 452-7292
1851434401HOME AND COMMUNITY OPTIONS, INC.
Organization
Community/Behavioral Health66 E 3RD ST
WINONA, MN 55987
(507) 452-1021

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093874281, enumerated in the NPI registry as an "individual" on December 06, 2006

The provider is located at 66 E 3rd St Winona, Mn 55987 and the phone number is (507) 452-1021

The provider's speciality is Psychologist with taxonomy code 103TH0100X with a focus in Health Service

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Durable Medical Equipment (DME).

This NPI record was last updated on December 06, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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