Robert Walker, MD
NPI 1700103231 · Pulmonary Disease Physician · Chevy Chase, MD
Robert Walker, MD is a Pulmonary Disease Physician provider in Chevy Chase, MD (NPI 1700103231).
Provider details
- NPI number
- 1700103231
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D00041015 (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
16 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
- 2010-04-23
- Last updated
- 2010-04-23
Frequently asked questions
- What is Robert Walker's NPI number?
- Robert Walker's National Provider Identifier (NPI) is 1700103231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Walker's specialty?
- Robert Walker is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Walker located?
- Robert Walker's practice location on file with NPPES is 3902 Blackthorn St, Chevy Chase, MD 20815-5056.
- What is Robert Walker's phone number?
- The practice phone number listed in the NPPES registry for Robert Walker is (301) 326-6430.
- Is Robert Walker's NPI active?
- Yes — Robert Walker's NPI (1700103231) is active in the NPPES registry as of the last update on 2010-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.