Ronald Lieberman, M.D.
NPI 1306035662 · Hematology & Oncology Physician · Rockville, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Lieberman, M.D. is a Hematology & Oncology Physician provider in Rockville, MD (NPI 1306035662).
Provider details
- NPI number
- 1306035662
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0022908 (MD)
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
18 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
- 2007-10-23
- Last updated
- 2007-10-23
Frequently asked questions
- What is Ronald Lieberman's NPI number?
- Ronald Lieberman's National Provider Identifier (NPI) is 1306035662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Lieberman's specialty?
- Ronald Lieberman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Lieberman located?
- Ronald Lieberman's practice location on file with NPPES is 1801 Rockville Pike, Rockville, MD 20852-1633.
- What is Ronald Lieberman's phone number?
- The practice phone number listed in the NPPES registry for Ronald Lieberman is (301) 312-1445.
- Does Ronald Lieberman accept Medicare?
- Ronald Lieberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Lieberman's NPI active?
- Yes — Ronald Lieberman's NPI (1306035662) is active in the NPPES registry as of the last update on 2007-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.