Daniel J. Haas, OD
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 122
- Industry payments
- $227
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 273 Harrison Bridge Rd, Simpsonville, SC 29680
- Practice phone
- Call (864) 654-6706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clemson Eye, PA
Simpsonville, South Carolina
Find Daniel Haas' 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.
Daniel J. Haas is an optometrist in Simpsonville, South Carolina
Daniel Haas practices at Clemson Eye, PA in Simpsonville, South Carolina.
Daniel Haas' NPI, 1821005174, was assigned on August 1, 2006. Daniel Haas graduated from Ohio State University - College of Optometry in 1983. Daniel Haas holds South Carolina license 1168.
- NPI
- 1821005174NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345153417
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 654-6706
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel J. Haas practices at Clemson Eye, PA in Simpsonville, South Carolina
Daniel Haas' primary practice is Clemson Eye, PA, at 273 Harrison Bridge Rd, Simpsonville, SC 29680 in Greenville County. The practice phone is (864) 654-6706.
- Clemson Eye, PA273 Harrison Bridge Rd, Simpsonville, SC 29680 · Greenville CountyPhone(864) 654-6706
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Daniel J. Haas is affiliated with 2 sites of care and 1 medical group
Daniel Haas' primary practice is Clemson Eye, PA in Simpsonville, South Carolina. Dmand AI also links Daniel Haas 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 Daniel J. Haas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Haas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clemson Eye, PA | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel J. Haas is one of 651 optometrists in South Carolina
Optometrist is Daniel Haas' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Daniel Haas is licensed in South Carolina.
Specialties and state licenses
- Optometrist, South CarolinaPrimary
Optometrists near Daniel Haas
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
Daniel J. Haas treated 157 Medicare patients in 2024, average age 74
CMS counts 157 Medicare patients who saw Daniel Haas in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel Haas' median patient age at 70, with 61% women.
Daniel Haas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Daniel Haas' Medicare patients by sex, 2024
- Women9762%
- Men6038%
Chronic conditions among Daniel Haas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes29%
- Ischemic heart disease27%
- Chronic kidney disease25%
- Anxiety20%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Daniel Haas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel J. Haas wrote 122 Medicare Part D claims in 2024
In 2024, Daniel Haas wrote 122 Medicare Part D claims for 72 patients. 74% of them were for generic drugs.
Daniel Haas' Part D claims by kind of drug, 2024
- Generic90 claims74%
- Brand-name32 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Daniel J. Haas takes part in Medicare
Daniel Haas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Daniel J. Haas received $227 in industry payments in 2025
CMS Open Payments shows 3 general payments to Daniel Haas from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $136.
Companies that paid Daniel Haas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Daniel J. Haas graduated from Ohio State University - College of Optometry
Daniel Haas graduated from Ohio State University - College of Optometry in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Daniel J. Haas'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) |
| 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 Daniel J. Haas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel J. Haas' NPI number?
Daniel J. Haas' NPI number is 1821005174. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What does Daniel J. Haas specialize in?
Daniel J. Haas is an optometrist in Simpsonville, South Carolina. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Daniel J. Haas practice?
Daniel Haas practices at 273 Harrison Bridge Rd, Simpsonville, SC 29680. Daniel Haas' primary practice is Clemson Eye, PA in Simpsonville, South Carolina. Dmand AI also links Daniel Haas to 1 group practice or clinic and 1 medical group.
What is Daniel J. Haas' office phone number?
The practice phone on file for Daniel Haas is (864) 654-6706.
What is Daniel J. Haas' medical license number?
Daniel Haas holds South Carolina license 1168.
Does Daniel J. Haas accept Medicare?
Yes. CMS lists Daniel Haas as accepting Medicare assignment.
How many Medicare patients does Daniel J. Haas see?
CMS counts 157 Medicare patients who saw Daniel Haas in 2024, with an average age of 74.
Where did Daniel J. Haas go to medical school?
Daniel Haas graduated from Ohio State University - College of Optometry in 1983.
Has Daniel J. Haas received payments from drug or device companies?
CMS Open Payments shows $227 in general payments to Daniel Haas from 2 companies from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Daniel J. Haas been practicing?
Daniel Haas graduated from medical school in 1983, 43 years ago.
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