Tad Tillemans, M.D.
NPI 1346459765 · Psychiatry Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tad Tillemans, M.D. is a Psychiatry Physician provider in Little Rock, AR (NPI 1346459765).
Provider details
- NPI number
- 1346459765
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2889 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 91 | 12 |
| Escitalopram Oxalate | 56 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 56 | — |
| Alprazolam | 51 | — |
| Olanzapine | 40 | — |
| Duloxetine Hcl | 37 | — |
| Prazosin Hcl | 36 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124,124 across 181 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2013-04-04
Frequently asked questions
- What is Tad Tillemans's NPI number?
- Tad Tillemans's National Provider Identifier (NPI) is 1346459765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tad Tillemans's specialty?
- Tad Tillemans is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Tad Tillemans located?
- Tad Tillemans's practice location on file with NPPES is 2801 Lee Ave, Little Rock, AR 72205-4327.
- What is Tad Tillemans's phone number?
- The practice phone number listed in the NPPES registry for Tad Tillemans is (501) 660-6644.
- Does Tad Tillemans accept Medicare?
- Tad Tillemans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tad Tillemans's NPI active?
- Yes — Tad Tillemans's NPI (1346459765) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.