Larry Plemmons, D.O.
NPI 1386673366 · Addiction Psychiatry Physician · Casper, WY
Enrolled with Medicare as Order and Referring Only - Addiction Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Plemmons, D.O. is a Addiction Psychiatry Physician provider in Casper, WY (NPI 1386673366).
Provider details
- NPI number
- 1386673366
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5874A (WY)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-01
- Last updated
- 2007-07-09
Frequently asked questions
- What is Larry Plemmons's NPI number?
- Larry Plemmons's National Provider Identifier (NPI) is 1386673366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Plemmons's specialty?
- Larry Plemmons is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Plemmons located?
- Larry Plemmons's practice location on file with NPPES is 1522 E a St, Casper, WY 82601-2217.
- What is Larry Plemmons's phone number?
- The practice phone number listed in the NPPES registry for Larry Plemmons is (307) 233-6000.
- Does Larry Plemmons accept Medicare?
- Larry Plemmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Plemmons's NPI active?
- Yes — Larry Plemmons's NPI (1386673366) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.