Leonard Chen, M.D.
NPI 1548688336 · Blood Banking & Transfusion Medicine Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Chen, M.D. is a Blood Banking & Transfusion Medicine Physician provider in Bethesda, MD (NPI 1548688336).
Provider details
- NPI number
- 1548688336
- Entity type
- Individual
- Primary specialty
- Blood Banking & Transfusion Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0084728 (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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3800 Reservoir Rd NwDept of PathologyWashington, DC 20007-2113Phone: (202) 687-3614
Registry dates
- Enumerated
- 2014-03-31
- Last updated
- 2024-07-22
- Certified
- 2024-07-22
Frequently asked questions
- What is Leonard Chen's NPI number?
- Leonard Chen's National Provider Identifier (NPI) is 1548688336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Chen's specialty?
- Leonard Chen is listed in the NPPES registry with a primary specialty of Blood Banking & Transfusion Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Chen located?
- Leonard Chen's practice location on file with NPPES is 9000 Rockville Pike Bldg 10, Bethesda, MD 20892.
- What is Leonard Chen's phone number?
- The practice phone number listed in the NPPES registry for Leonard Chen is (301) 451-8186.
- Does Leonard Chen accept Medicare?
- Leonard Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Chen's NPI active?
- Yes — Leonard Chen's NPI (1548688336) is active in the NPPES registry as of the last update on 2024-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.