Robert Mallen, MD
NPI 1740229327 · Internal Medicine Physician · Grand Rapids, MI
Robert Mallen, MD is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1740229327).
Provider details
- NPI number
- 1740229327
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301028709 (MI)
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
20 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
- 2006-06-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Mallen's NPI number?
- Robert Mallen's National Provider Identifier (NPI) is 1740229327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mallen's specialty?
- Robert Mallen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mallen located?
- Robert Mallen's practice location on file with NPPES is 1300 Michigan St Ne, Grand Rapids, MI 49503-2026.
- What is Robert Mallen's phone number?
- The practice phone number listed in the NPPES registry for Robert Mallen is (616) 459-8338.
- Is Robert Mallen's NPI active?
- Yes — Robert Mallen's NPI (1740229327) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.