Provider Profile

William B. Hass, OD

Unclaimed Profile

About Dr. Hass

Listed in the NPI registry as an optometrist, William B. Hass, OD practices in Chesaning, MI. William graduated from Illinois College of Optometry at Chicago in 1976. According to Medicare claims data, William cared for 201 Medicare patients across 202 services.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

Specialty

Optometrist (Primary)

Credentials & Licensing

MI license4901002552
NPI1972598258
NPI issued09/13/2005

Source: NPPES NPI Registry

Common questions

What kind of doctor is Dr. Hass?

Dr. Hass is an optometrist in Chesaning, MI. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Dr. Hass's address?

Dr. Hass is listed at 1180 W Broad St, Chesaning, MI 48616. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Hass?

The number on file is (989) 845-3835. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Hass's NPI number?

Dr. Hass's National Provider Identifier is 1972598258. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Hass train?

Dr. Hass attended Illinois College of Optometry at Chicago, graduating in 1976. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Hass been practicing?

Dr. Hass has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Hass perform?

According to Medicare billing data, Dr. Hass provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Hass confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hass. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.