Robert Zimmermann, MD
NPI 1639196322 · Diagnostic Radiology Physician · Silver Spring, MD
Robert Zimmermann, MD is a Diagnostic Radiology Physician provider in Silver Spring, MD (NPI 1639196322).
Provider details
- NPI number
- 1639196322
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0011181 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2008-08-05
Frequently asked questions
- What is Robert Zimmermann's NPI number?
- Robert Zimmermann's National Provider Identifier (NPI) is 1639196322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Zimmermann's specialty?
- Robert Zimmermann is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Zimmermann located?
- Robert Zimmermann's practice location on file with NPPES is 2121 Medical Park Drive, Silver Spring, MD 20902.
- What is Robert Zimmermann's phone number?
- The practice phone number listed in the NPPES registry for Robert Zimmermann is (301) 681-3003.
- Is Robert Zimmermann's NPI active?
- Yes — Robert Zimmermann's NPI (1639196322) is active in the NPPES registry as of the last update on 2008-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.