1. Home
  2. Directory
  3. Michigan
  4. Owosso
  5. Optometrist
  6. NPI Profile

ROBERT & WILLIAM HASS OPTOMETRISTS PROFESSIONAL CORP
NPI 1396859773
Optometrist in Owosso, MI

Active since August 19, 2006
120 N HICKORY ST, OWOSSO, MI 48867(989) 725-5330(989) 723-2303 Get Directions Write a Review

NPPES record last updated: October 24, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert & William Hass Optometrists Professional Corp NPPES

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

ROBERT & WILLIAM HASS OPTOMETRISTS PROFESSIONAL CORP (NPI 1396859773) is a healthcare organization registered as an optometrist in Owosso, Michigan and active in the NPI registry since August 2006. The organization lists William B Hass, President, as its authorized official.

NPPES Registry Identity

NPI1396859773
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameROBERT & WILLIAM HASS OPTOMETRISTS PROFESSIONAL CORP
Location Address120 N HICKORY STOwosso, MI 48867-3016
Mailing Address120 N Hickory St, P.o. Box 790Owosso, MI 48867-3016 · (989) 725-5330 · Fax (989) 723-2303
Phone(989) 725-5330
Fax(989) 723-2303
Organization SubpartNo
Authorized OfficialWilliam B HassPresident · (989) 725-5330
Enumeration DateAugust 19, 2006
Last NPPES UpdateOctober 24, 2017
✔ NPI 1396859773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MI · 4901002552
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.
Also ListedEyewear SupplierTaxonomy 332H00000X · License 4901002552 (MI), 4901002808 (MI)
120 N HICKORY ST, Owosso, MI 48867
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified0284720001MI
Medicare PIN0G36400MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medical Equipment Supplier Medicare DMEPOS 3

Medicare supplier enrollment and the product categories Hass Vision Center carries, from the Medicare DMEPOS supplier directory.

Hass Vision Center

DMEPOS supplier · Owosso, MIOperated by Robert & William Hass Optometrists Professional Corp
✔

Accepts Medicare assignment

Hass Vision Center agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20667011
Medicare Participant SinceJanuary 1, 1997
Supplier Location120 N Hickory StOwosso, MI 48867
Phone(989) 725-5330
Supplier Specialties
Optometrist

Medicare Product Categories

Prosthetic Lenses: Conventional Eyeglasses
Conventional Eyeglasses
Prosthetic Lenses: Conventional Contact Lenses
Conventional Contact Lenses
Prosthetic Lenses: Prosthetics Cataract Lenses
Cataract Eyeglasses
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STEVEN ROBERT HASS O.D.
Optometrist
120 N HICKORY ST
OWOSSO, MI 48867
Shiawassee County (989) 277-1125

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 Robert & William Hass Optometrists Professional Corp's NPI number?

The NPI number for Robert & William Hass Optometrists Professional Corp is 1396859773. It was assigned to this organization in the NPPES registry on August 19, 2006.

Where is Robert & William Hass Optometrists Professional Corp located?

Robert & William Hass Optometrists Professional Corp is located at 120 N Hickory St, Owosso, MI 48867. The listed phone number is (989) 725-5330.

What is Robert & William Hass Optometrists Professional Corp's specialty?

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

Does Robert & William Hass Optometrists Professional Corp accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Hass Vision Center accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

What insurance does Robert & William Hass Optometrists Professional Corp accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Robert & William Hass Optometrists Professional Corp 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 Robert & William Hass Optometrists Professional Corp was last updated on October 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.