What is James Leek's NPI number?

James Leek's National Provider Identifier (NPI) is 1659353530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Leek's specialty?

James Leek is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).

Where is James Leek located?

James Leek's practice location on file with NPPES is 2261 Douglas Blvd, Roseville, CA 95661-3831.

What is James Leek's phone number?

The practice phone number listed in the NPPES registry for James Leek is (916) 783-7109.

Is James Leek's NPI active?

Yes — James Leek's NPI (1659353530) is active in the NPPES registry as of the last update on 2011-10-26.

IndividualActive

James Leek, MD

NPI 1659353530 · Rheumatology Physician · Roseville, CA

James Leek, MD is a Rheumatology Physician provider in Roseville, CA (NPI 1659353530).

Provider details

NPI number: 1659353530
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G022979 (CA)

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense G022979 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

2261 Douglas Blvd

Roseville, CA 95661-3831

Phone: (916) 783-7109

Street-level locationGet directions

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Mailing address