Liam Guenther, MD
NPI 1265056360 · Psychiatry Physician · Catonsville, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liam Guenther, MD is a Psychiatry Physician provider in Catonsville, MD (NPI 1265056360).
Provider details
- NPI number
- 1265056360
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0101223 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-06-04
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Liam Guenther's NPI number?
- Liam Guenther's National Provider Identifier (NPI) is 1265056360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liam Guenther's specialty?
- Liam Guenther is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Liam Guenther located?
- Liam Guenther's practice location on file with NPPES is 55 Wade Ave, Catonsville, MD 21228-4663.
- What is Liam Guenther's phone number?
- The practice phone number listed in the NPPES registry for Liam Guenther is (410) 402-6000.
- Does Liam Guenther accept Medicare?
- Liam Guenther is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liam Guenther's NPI active?
- Yes — Liam Guenther's NPI (1265056360) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.