What is Leland Bass's NPI number?

Leland Bass's National Provider Identifier (NPI) is 1639219132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leland Bass's specialty?

Leland Bass is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Leland Bass located?

Leland Bass's practice location on file with NPPES is 9 W Putnam Ave, Greenwich, CT 06830-5327.

What is Leland Bass's phone number?

The practice phone number listed in the NPPES registry for Leland Bass is (203) 552-6830.

Is Leland Bass's NPI active?

Yes — Leland Bass's NPI (1639219132) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Leland Bass, O.D.

NPI 1639219132 · Optometrist · Greenwich, CT

Leland Bass, O.D. is a Optometrist provider in Greenwich, CT (NPI 1639219132).

Provider details

NPI number: 1639219132
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 2384 (CT)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 2384 (CT)
Eye and Vision Services 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

9 W Putnam Ave

Greenwich, CT 06830-5327

Phone: (203) 552-6830

Street-level locationGet directions

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Mailing address