Erik Williams Haselhorst, OD
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 224
- Industry payments
- $19
- Affiliated sites
- 3
- Medical groups
- 4
- Practice address
- 706 W Ben White Blvd, Austin, TX 78704
- Practice phone
- Call (210) 280-0040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellmed Medical Group, PA
Austin, Texas
Find Erik Haselhorst's 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.
Erik Williams Haselhorst is an optometrist in Austin, Texas
Erik Haselhorst practices at Wellmed Medical Group, PA in Austin, Texas.
Erik Haselhorst's NPI, 1073826806, was assigned on July 21, 2010. Erik Haselhorst graduated from University of Houston - College of Optometry in 2010. Erik Haselhorst holds Texas license 7632T.
- NPI
- 1073826806NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042335713
- NPI enumeration date
- July 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 280-0040
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Erik Williams Haselhorst practices at Wellmed Medical Group, PA in Austin, Texas
Erik Haselhorst's primary practice is Wellmed Medical Group, PA, at 706 W Ben White Blvd, Austin, TX 78704 in Travis County. The practice phone is (210) 280-0040.
- Wellmed Medical Group, PA706 W Ben White Blvd, Austin, TX 78704 · Travis CountyPhone(210) 280-0040
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Erik Williams Haselhorst is affiliated with 4 sites of care and 4 medical groups
Erik Haselhorst's primary practice is Wellmed Medical Group, PA in Austin, Texas. Dmand AI also links Erik Haselhorst to 4 medical groups, 2 group practices and clinics and 1 skilled nursing facility, 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 Erik Williams Haselhorst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erik Haselhorst practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellmed Medical Group, PA | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Erik Williams Haselhorst is one of 3,272 optometrists in Texas
Optometrist is Erik Haselhorst's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Erik Haselhorst is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near Erik Haselhorst
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
Erik Williams Haselhorst treated 192 Medicare patients in 2024, average age 77
CMS counts 192 Medicare patients who saw Erik Haselhorst in 2024. The largest group is 65 to 74, with 74 patients. 70% of them have high cholesterol, and 69% have high blood pressure. 44% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Erik Haselhorst's median patient age at 71, with 52% women.
Erik Haselhorst's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Erik Haselhorst's Medicare patients by sex, 2024
- Women14173%
- Men5127%
Chronic conditions among Erik Haselhorst's Medicare patients, 2024
- High cholesterol70%
- High blood pressure69%
- Mood disorders48%
- Depression45%
- Arthritis44%
- Anxiety43%
- Alzheimer's and dementia40%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Erik Haselhorst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Erik Williams Haselhorst wrote 224 Medicare Part D claims in 2024
In 2024, Erik Haselhorst wrote 224 Medicare Part D claims for 73 patients. 62% of them were for generic drugs.
Erik Haselhorst's Part D claims by kind of drug, 2024
- Generic139 claims62%
- Brand-name85 claims38%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Erik Williams Haselhorst takes part in Medicare
Erik Haselhorst 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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Erik Williams Haselhorst received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Erik Haselhorst from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $19.
Companies that paid Erik Haselhorst the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Erik Williams Haselhorst graduated from University of Houston - College of Optometry
Erik Haselhorst graduated from University of Houston - College of Optometry in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Erik Williams Haselhorst'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 Erik Williams Haselhorst
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Erik Williams Haselhorst's NPI number?
Erik Williams Haselhorst's NPI number is 1073826806. It was assigned on July 21, 2010, and it is active in the NPI Registry.
What does Erik Williams Haselhorst specialize in?
Erik Williams Haselhorst is an optometrist in Austin, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Erik Williams Haselhorst practice?
Erik Haselhorst practices at 706 W Ben White Blvd, Austin, TX 78704. Erik Haselhorst's primary practice is Wellmed Medical Group, PA in Austin, Texas. Dmand AI also links Erik Haselhorst to 4 medical groups, 2 group practices and clinics and 1 skilled nursing facility.
What is Erik Williams Haselhorst's office phone number?
The practice phone on file for Erik Haselhorst is (210) 280-0040.
What is Erik Williams Haselhorst's medical license number?
Erik Haselhorst holds Texas license 7632T.
Does Erik Williams Haselhorst accept Medicare?
Yes. CMS lists Erik Haselhorst as accepting Medicare assignment.
How many Medicare patients does Erik Williams Haselhorst see?
CMS counts 192 Medicare patients who saw Erik Haselhorst in 2024, with an average age of 77.
Where did Erik Williams Haselhorst go to medical school?
Erik Haselhorst graduated from University of Houston - College of Optometry in 2010.
Has Erik Williams Haselhorst received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Erik Haselhorst from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Erik Williams Haselhorst been practicing?
Erik Haselhorst graduated from medical school in 2010, 16 years ago.
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