Mark Worley, M.D, PH.D.
NPI 1255347951 · Psychiatry Physician · North Little Rock, AR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Worley, M.D, PH.D. is a Psychiatry Physician provider in North Little Rock, AR (NPI 1255347951).
Provider details
- NPI number
- 1255347951
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N-8405 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 47 | 15 |
| Clonazepam | 44 | 17 |
| Duloxetine Hcl | 42 | 14 |
| Bupropion Hclbrand: Bupropion Xl | 34 | — |
| Sertraline Hcl | 34 | — |
| Alprazolam | 31 | 13 |
| Aripiprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Worley's NPI number?
- Mark Worley's National Provider Identifier (NPI) is 1255347951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Worley's specialty?
- Mark Worley is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Worley located?
- Mark Worley's practice location on file with NPPES is 2200 Fort Roots Dr, North Little Rock, AR 72114-1709.
- What is Mark Worley's phone number?
- The practice phone number listed in the NPPES registry for Mark Worley is (501) 257-3478.
- Does Mark Worley accept Medicare?
- Mark Worley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Worley's NPI active?
- Yes — Mark Worley's NPI (1255347951) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.