LELAND BASS O.D.
NPI 1639219132
Optometrist in Greenwich, CT

Q: What is Leland Bass's NPI number?

The NPI number for Leland Bass is 1639219132. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Q: What is Leland Bass's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Leland Bass was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 07, 2007

9 W PUTNAM AVE, GREENWICH, CT 06830(203) 552-6830 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Leland Bass O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LELAND BASS O.D. (NPI 1639219132) is an individual optometrist in Greenwich, Connecticut, licensed in Connecticut (2384) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1639219132

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameLELAND BASSCredential: O.D.

Location Address9 W PUTNAM AVEGreenwich, CT 06830-5327

Mailing Address9 W Putnam AveGreenwich, CT 06830-5327 · (203) 552-6830

Phone(203) 552-6830

Sole ProprietorYes

Enumeration DateFebruary 7, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1639219132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CT · 2384

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

9 W PUTNAM AVE, Greenwich, CT 06830

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Other Identifiers 1

Medicare UPINU76366CT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leland Bass's NPI number?

The NPI number for Leland Bass is 1639219132. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Where is Leland Bass located?

Leland Bass practices at 9 W Putnam Ave, Greenwich, CT 06830. The listed phone number is (203) 552-6830.

What is Leland Bass's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

What insurance does Leland Bass accept?

Health plans from Providence Health Plan list Leland Bass as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leland Bass was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.