Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Allison Anne Ruehlen, OD

Individual provider Optometrist · NPI 1447818869

Dr. Allison Anne Ruehlen, OD is an Optometry in Castle Rock, Colorado. Graduated from Pacific University - College of Optometry in 2019, 7 years ago. Practices with Hull and Williquette Ltd, a 7-clinician group and accepts Medicare assignment. Licensed in Colorado, Florida, Massachusetts and Minnesota and 3 more.

Years since qualifying
7
Trained at
Pacific University - College of Optometry
Licensed in
CO, FL, MA, MN, NY, PA
In the registry since
2019
Specialties on file
7
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

856 W Happy Canyon Rd Ste 110
Castle Rock, CO 80108-3909
Phone: (303) 663-2034
Fax: (303) 663-3428
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT.0003498 (CO)
Optometrist Taxonomy 152W00000X · Licence 3664 (MN)
Optometrist Taxonomy 152W00000X · Licence OPT5689 (MA)
Optometrist Taxonomy 152W00000X · Licence 3608-35 (WI)
Optometrist Taxonomy 152W00000X · Licence 009957 (NY)
Optometrist Taxonomy 152W00000X · Licence TPOP185 (FL)
Optometrist Taxonomy 152W00000X · Licence OEG004129 (PA)

Record details

NPI number1447818869
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedMay 31, 2019
Last updated in NPPESDecember 16, 2025
Certification dateDecember 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 2019 (7 years in practice)
Group practice Hull And Williquette Ltd — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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