Mary Larkin, MD
NPI 1013056555 · Psychiatry Physician · Meridian, MS
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Larkin, MD is a Psychiatry Physician provider in Meridian, MS (NPI 1013056555).
Provider details
- NPI number
- 1013056555
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 42488 (KY)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 33 |
| Benztropine Mesylate | 23 |
| Quetiapine Fumarate | 17 |
| Trazodone Hcl | 16 |
| Sertraline Hcl | 14 |
| Lisinopril | 12 |
| Amitriptyline Hcl | 11 |
| Buspirone Hcl | 11 |
| Escitalopram Oxalate | 11 |
| Paroxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2025-01-30
- Certified
- 2025-01-30
Frequently asked questions
- What is Mary Larkin's NPI number?
- Mary Larkin's National Provider Identifier (NPI) is 1013056555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Larkin's specialty?
- Mary Larkin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Larkin located?
- Mary Larkin's practice location on file with NPPES is 1054 Highway 19 S, Meridian, MS 39301-8205.
- What is Mary Larkin's phone number?
- The practice phone number listed in the NPPES registry for Mary Larkin is (601) 531-3200.
- Does Mary Larkin accept Medicare?
- Mary Larkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Larkin's NPI active?
- Yes — Mary Larkin's NPI (1013056555) is active in the NPPES registry as of the last update on 2025-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.