John Formolo, M.D.
NPI 1619921475 · Cardiovascular Disease Physician · Grand Rapids, MI
John Formolo, M.D. is a Cardiovascular Disease Physician provider in Grand Rapids, MI (NPI 1619921475).
Provider details
- NPI number
- 1619921475
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- JF036515 (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
- 2006-05-19
- Last updated
- 2008-03-31
Frequently asked questions
- What is John Formolo's NPI number?
- John Formolo's National Provider Identifier (NPI) is 1619921475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Formolo's specialty?
- John Formolo is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Formolo located?
- John Formolo's practice location on file with NPPES is 1000 E Paris Ave Se, Grand Rapids, MI 49546-3680.
- What is John Formolo's phone number?
- The practice phone number listed in the NPPES registry for John Formolo is (616) 949-8554.
- Is John Formolo's NPI active?
- Yes — John Formolo's NPI (1619921475) is active in the NPPES registry as of the last update on 2008-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.