Janice Rock, D.O.
NPI 1639140742 · Family Medicine Physician · Grand Rapids, MI
Janice Rock, D.O. is a Family Medicine Physician provider in Grand Rapids, MI (NPI 1639140742).
Provider details
- NPI number
- 1639140742
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 5101 007810 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-01-27
- Last updated
- 2015-05-18
Frequently asked questions
- What is Janice Rock's NPI number?
- Janice Rock's National Provider Identifier (NPI) is 1639140742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janice Rock's specialty?
- Janice Rock is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janice Rock located?
- Janice Rock's practice location on file with NPPES is 80 68th St Se, Grand Rapids, MI 49548-6980.
- What is Janice Rock's phone number?
- The practice phone number listed in the NPPES registry for Janice Rock is (616) 391-8242.
- Is Janice Rock's NPI active?
- Yes — Janice Rock's NPI (1639140742) is active in the NPPES registry as of the last update on 2015-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.