Robert M. Hass
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 169
- Industry payments
- $119
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 8777 Monroe Rd, Durand, MI 48429
- Practice phone
- Call (989) 288-3265
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert & William Hass, Optometrists, Professional Corp
Durand, Michigan
Find Robert Hass' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Robert M. Hass is an optometrist in Durand, Michigan
Robert Hass practices at Robert & William Hass, Optometrists, Professional Corp in Durand, Michigan.
Robert Hass' NPI, 1043207277, was assigned on October 3, 2005. Robert Hass graduated from Illinois College of Optometry at Chicago in 1981. Robert Hass holds Michigan license 4901002808.
- NPI
- 1043207277NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375630056
- NPI enumeration date
- October 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 288-3265
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert M. Hass practices at Robert & William Hass, Optometrists, Professional Corp in Durand, Michigan
Robert Hass' primary practice is Robert & William Hass, Optometrists, Professional Corp, at 8777 Monroe Rd, Durand, MI 48429 in Shiawassee County. The practice phone is (989) 288-3265.
- Robert & William Hass, Optometrists, Professional Corp8777 Monroe Rd, Durand, MI 48429 · Shiawassee CountyPhone(989) 288-3265
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert M. Hass is affiliated with 2 sites of care and 1 medical group
Robert Hass' primary practice is Robert & William Hass, Optometrists, Professional Corp in Durand, Michigan. Dmand AI also links Robert Hass to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Robert M. Hass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Hass practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert & William Hass, Optometrists, Professional Corp | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Robert M. Hass is one of 1,416 optometrists in Michigan
Optometrist is Robert Hass' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Robert Hass is licensed in Michigan.
Specialties and state licenses
- Optometrist, MichiganPrimary
Optometrists near Robert Hass
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Robert M. Hass treated 176 Medicare patients in 2024, average age 76
CMS counts 176 Medicare patients who saw Robert Hass in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Hass' median patient age at 73, with 56% women.
Robert Hass' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Hass' Medicare patients by sex, 2024
- Women9353%
- Men8347%
Chronic conditions among Robert Hass' Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis45%
- Diabetes24%
- Ischemic heart disease23%
- Anxiety18%
- Atrial fibrillation18%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Robert Hass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert M. Hass wrote 169 Medicare Part D claims in 2024
In 2024, Robert Hass wrote 169 Medicare Part D claims for 47 patients. 76% of them were for generic drugs.
Robert Hass' Part D claims by kind of drug, 2024
- Generic128 claims76%
- Brand-name41 claims24%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Robert M. Hass ranks in the 42nd percentile for cataract surgery in Medicare
Robert Hass accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of cataract surgery by Robert Hass, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Robert Hass ranks in Medicare procedure volume
- Cataract surgery
- 42nd percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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Robert M. Hass received $119 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Hass from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $119.
Companies that paid Robert Hass the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert M. Hass graduated from Illinois College of Optometry at Chicago
Robert Hass graduated from Illinois College of Optometry at Chicago in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert M. Hass's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Robert M. Hass
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert M. Hass' NPI number?
Robert M. Hass' NPI number is 1043207277. It was assigned on October 3, 2005, and it is active in the NPI Registry.
What does Robert M. Hass specialize in?
Robert M. Hass is an optometrist in Durand, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert M. Hass practice?
Robert Hass practices at 8777 Monroe Rd, Durand, MI 48429. Robert Hass' primary practice is Robert & William Hass, Optometrists, Professional Corp in Durand, Michigan. Dmand AI also links Robert Hass to 1 group practice or clinic and 1 medical group.
What is Robert M. Hass' office phone number?
The practice phone on file for Robert Hass is (989) 288-3265.
What is Robert M. Hass' medical license number?
Robert Hass holds Michigan license 4901002808.
Does Robert M. Hass accept Medicare?
Yes. CMS lists Robert Hass as accepting Medicare assignment.
How many Medicare patients does Robert M. Hass see?
CMS counts 176 Medicare patients who saw Robert Hass in 2024, with an average age of 76.
Where did Robert M. Hass go to medical school?
Robert Hass graduated from Illinois College of Optometry at Chicago in 1981.
Has Robert M. Hass received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Robert Hass from 1 company from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Robert M. Hass been practicing?
Robert Hass graduated from medical school in 1981, 45 years ago.
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