What is John Greenwood's NPI number?

John Greenwood's National Provider Identifier (NPI) is 1891898201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Greenwood's specialty?

John Greenwood is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is John Greenwood located?

John Greenwood's practice location on file with NPPES is 276 W 9th Street, Upland, CA 91786-5949.

What is John Greenwood's phone number?

The practice phone number listed in the NPPES registry for John Greenwood is (909) 985-1996.

Is John Greenwood's NPI active?

Yes — John Greenwood's NPI (1891898201) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Greenwood, DDS

NPI 1891898201 · General Practice Dentistry · Upland, CA

John Greenwood, DDS is a General Practice Dentistry provider in Upland, CA (NPI 1891898201).

Provider details

NPI number: 1891898201
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 30959 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 30959 (CA)
Dental Providers

Profile Score

Detailed profile(90/100 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

276 W 9th Street

Upland, CA 91786-5949

Phone: (909) 985-1996

Fax: (909) 985-1256

Street-level locationGet directions

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Mailing address