Doctor profile · Federal record
Dr. William Hass, OD
Optometrist (CMS: Optometry) · Chesaning, MI
- NPI 1972598258
- Accepts Medicare
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1180 W Broad St
Chesaning, MI 486161006
(989) 845-3835
fax (989) 845-3982 - Mailing address
-
Po Box 68
Chesaning, MI 486160068
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- May 30, 2008
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Michigan #4901002552
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972598258. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
190
Distinct HCPCS
6
Medicare allowed
$17,402
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 92 | 92 | $119 | |
92250 |
Photography of the retina | 33 | 33 | $35 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 19 | $86 | |
92004 |
New patient complete exam of visual system | 14 | 14 | $141 | |
92134 |
Imaging of retina | 14 | 14 | $37 | |
92083 |
Exam of visual field with extended testing | 13 | 12 | $58 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 41. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$98
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| BIOTISSUE HOLDINGS INC. | 1 | $98.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
83
Patients
16
Total drug cost
$2,267
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 52 | 16 | $1,133 |
| Timolol Maleate | Generic | 31 | 0 | $1,134 |
Frequently asked questions
What is Dr. William Hass's medical specialty?
Dr. William Hass practices Optometrist in Chesaning, MI.
Where does Dr. William Hass practice?
Dr. William Hass practices at 1180 W Broad St, Chesaning, MI 486161006. Office phone: 9898453835.
What is Dr. William Hass's NPI?
Dr. William Hass's National Provider Identifier (NPI) is 1972598258, issued by NPPES.
Does Dr. William Hass accept Medicare assignment?
Yes. Dr. William Hass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hass commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.