What is John Grenillo's NPI number?

John Grenillo's National Provider Identifier (NPI) is 1023210358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Grenillo's specialty?

John Grenillo is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is John Grenillo located?

John Grenillo's practice location on file with NPPES is 5740 Plymouth Rd, Ann Arbor, MI 48105-9312.

What is John Grenillo's phone number?

The practice phone number listed in the NPPES registry for John Grenillo is (734) 213-5805.

Is John Grenillo's NPI active?

Yes — John Grenillo's NPI (1023210358) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Grenillo, DC

NPI 1023210358 · Chiropractor · Ann Arbor, MI

John Grenillo, DC is a Chiropractor provider in Ann Arbor, MI (NPI 1023210358).

Provider details

NPI number: 1023210358
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: DC
Sex: Male
Sole proprietor: Yes
License: 2301007818 (MI)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 2301007818 (MI)
Chiropractic Providers

Profile Score

Detailed profile(89/100 index)

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

5740 Plymouth Rd

Ann Arbor, MI 48105-9312

Phone: (734) 213-5805

Fax: (734) 213-5872

Street-level locationGet directions

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Mailing address