Rachel E. Hasler, OD
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 56
- Industry payments
- $221
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 250 Max Dr, Castle Pines, CO 80108
- Practice phone
- Call (303) 688-5066
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Black Diamond Eye Care
Castle Pines, Colorado
Find Rachel Hasler'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.
Rachel E. Hasler is an optometrist in Castle Pines, Colorado
Rachel Hasler practices at Black Diamond Eye Care in Castle Pines, Colorado.
Rachel Hasler's NPI, 1205368164, was assigned on March 30, 2017. Rachel Hasler graduated from Illinois College of Optometry at Chicago in 2017. Rachel Hasler holds Colorado license 0003419.
- NPI
- 1205368164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779851159
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 688-5066
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel E. Hasler practices at Black Diamond Eye Care in Castle Pines, Colorado
Rachel Hasler's primary practice is Black Diamond Eye Care, at 250 Max Dr, Castle Pines, CO 80108 in Douglas County. The practice phone is (303) 688-5066.
- Black Diamond Eye Care250 Max Dr, Castle Pines, CO 80108 · Douglas CountyPhone(303) 688-5066
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rachel E. Hasler is affiliated with 2 sites of care and 1 medical group
Rachel Hasler's primary practice is Black Diamond Eye Care in Castle Pines, Colorado. Dmand AI also links Rachel Hasler 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 Rachel E. Hasler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Hasler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Black Diamond Eye Care | 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
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Rachel E. Hasler is one of 936 optometrists in Colorado
Optometrist is Rachel Hasler's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Rachel Hasler's licenses on file in 2 states: Colorado and Illinois.
Specialties and state licenses
- Optometrist, ColoradoPrimary
- Illinois license
Optometrists near Rachel Hasler
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
Rachel E. Hasler treated 55 Medicare patients in 2024, average age 72
CMS counts 55 Medicare patients who saw Rachel Hasler in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rachel Hasler's median patient age at 63, with 53% women.
Rachel Hasler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Rachel Hasler's Medicare patients by sex, 2024
- Women3258%
- Men2342%
Chronic conditions among Rachel Hasler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis44%
- Ischemic heart disease29%
- Atrial fibrillation20%
- Diabetes20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Rachel Hasler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel E. Hasler wrote 56 Medicare Part D claims in 2024
In 2024, Rachel Hasler wrote 56 Medicare Part D claims for 23 patients. 70% of them were for generic drugs.
Rachel Hasler's Part D claims by kind of drug, 2024
- Generic39 claims70%
- Brand-name17 claims30%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Rachel E. Hasler takes part in Medicare
Rachel Hasler 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Rachel E. Hasler received $221 in industry payments in 2025
CMS Open Payments shows 5 general payments to Rachel Hasler from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $104.
Companies that paid Rachel Hasler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Rachel E. Hasler graduated from Illinois College of Optometry at Chicago
Rachel Hasler graduated from Illinois College of Optometry at Chicago in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Rachel E. Hasler'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 Rachel E. Hasler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachel E. Hasler's NPI number?
Rachel E. Hasler's NPI number is 1205368164. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What does Rachel E. Hasler specialize in?
Rachel E. Hasler is an optometrist in Castle Pines, Colorado. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Rachel E. Hasler practice?
Rachel Hasler practices at 250 Max Dr, Castle Pines, CO 80108. Rachel Hasler's primary practice is Black Diamond Eye Care in Castle Pines, Colorado. Dmand AI also links Rachel Hasler to 1 group practice or clinic and 1 medical group.
What is Rachel E. Hasler's office phone number?
The practice phone on file for Rachel Hasler is (303) 688-5066.
What is Rachel E. Hasler's medical license number?
Rachel Hasler holds Colorado license 0003419, one of the licenses on file in 2 states.
Which states has Rachel E. Hasler been licensed in?
Dmand AI has state licenses on file for Rachel Hasler in Colorado and Illinois.
Does Rachel E. Hasler accept Medicare?
Yes. CMS lists Rachel Hasler as accepting Medicare assignment.
How many Medicare patients does Rachel E. Hasler see?
CMS counts 55 Medicare patients who saw Rachel Hasler in 2024, with an average age of 72.
Where did Rachel E. Hasler go to medical school?
Rachel Hasler graduated from Illinois College of Optometry at Chicago in 2017.
Has Rachel E. Hasler received payments from drug or device companies?
CMS Open Payments shows $221 in general payments to Rachel Hasler from 5 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Rachel E. Hasler been practicing?
Rachel Hasler graduated from medical school in 2017, 9 years ago.
Selling to optometrist practices?
See optometrists in Colorado by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card