Dr. Choon Shan Loo , OD
Optometrist β’ Tucson, AZ
3601 S 6th Ave
Tucson, AZ 857230001
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
3601 S 6th Ave
Tucson, AZ 857230001
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Tucson, AZ. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Optometrist: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2026
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists Dr. Loo as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Tucson and Arizona
179 active clinicians are listed under Optometrist with a practice address in Tucson, AZ (1,344 in Arizona).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Tucson
0% of these 179 clinicians have the CMS telehealth indicator.
46.4% of these 179 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-06-17NUCC Taxonomy Code: 152W00000X
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
9160 S Houghton Rd Ste 140
Tucson, AZ 857479736
Phone: 5205746513
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Pulmonary Disease
Doctor of Medicine (M.D.)
Physical Therapist
Physical Therapist
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 955 W SOUTHERN AVE STE 101, MESA, AZ 852104903 (Tel: 4809611702)
Additional practice office at 9160 S Houghton Rd Ste 140, Tucson, AZ 857479736
Recorded as CHOON LOO, OD
Optometrist (license number reported to NPPES: AZ OPT-002950)
NPI status registered as active in NPPES database
Registered at 3601 S 6TH AVE, TUCSON, AZ 857230001 (Tel: 5207921450)
Registered at 20000 N 57TH AVE RM A306, GLENDALE, AZ 853086827
Recorded as CHOON LOO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Optometrists in Tucson
- Dr. Tami Friske, OD
- Dr. Joseph Kowalski, OD
- Dr. Amro Habib, OD
- Dr. Marcela Sierra-Romero, OD
- Dr. Jacob Wanon, OD
- Dr. John Murphy, OD
Mailing Address
955 W Southern Ave Ste 101
Mesa, AZ 852104903
Phone: 4809611702