Ryan Lieberman, MD
NPI 1548483654 · Psychiatry Physician · Norwalk, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Lieberman, MD is a Psychiatry Physician provider in Norwalk, CT (NPI 1548483654).
Provider details
- NPI number
- 1548483654
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 043846 (CT)
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 38 |
| Trazodone Hcl | 37 |
| Escitalopram Oxalate | 31 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 27 |
| Quetiapine Fumarate | 19 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 19 |
| Sertraline Hcl | 18 |
| Bupropion Hclbrand: Bupropion Xl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2023-03-07
Frequently asked questions
- What is Ryan Lieberman's NPI number?
- Ryan Lieberman's National Provider Identifier (NPI) is 1548483654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Lieberman's specialty?
- Ryan Lieberman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Lieberman located?
- Ryan Lieberman's practice location on file with NPPES is 34 Maple St, Norwalk, CT 06850-3815.
- What is Ryan Lieberman's phone number?
- The practice phone number listed in the NPPES registry for Ryan Lieberman is (203) 852-2388.
- Does Ryan Lieberman accept Medicare?
- Ryan Lieberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Lieberman's NPI active?
- Yes — Ryan Lieberman's NPI (1548483654) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.