Robert Kantor, M.D.
NPI 1770522401 · Preventive Medicine/Occupational Environmental Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Kantor, M.D. is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Grand Rapids, MI (NPI 1770522401).
Provider details
- NPI number
- 1770522401
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A82915 (CA)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense A82915 (CA)
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
- 2018-10-15
Frequently asked questions
- What is Robert Kantor's NPI number?
- Robert Kantor's National Provider Identifier (NPI) is 1770522401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Kantor's specialty?
- Robert Kantor is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Kantor located?
- Robert Kantor's practice location on file with NPPES is 1620 44th St Se, Grand Rapids, MI 49508-5002.
- What is Robert Kantor's phone number?
- The practice phone number listed in the NPPES registry for Robert Kantor is (162) 436-2626.
- Does Robert Kantor accept Medicare?
- Robert Kantor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Kantor's NPI active?
- Yes — Robert Kantor's NPI (1770522401) is active in the NPPES registry as of the last update on 2018-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.