Warren Xie
NPI 1841871704 · Low Vision Rehabilitation Optometrist · Monterey Park, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Xie is a Low Vision Rehabilitation Optometrist provider in Monterey Park, CA (NPI 1841871704).
Provider details
- NPI number
- 1841871704
- Entity type
- Individual
- Primary specialty
- Low Vision Rehabilitation OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 35186-TLG (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 81 | 26 |
| Latanoprost | 74 | 22 |
| Brimonidine Tartrate | 29 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 18 | — |
| Cyclosporinebrand: Restasis | 13 | — |
| Timolol Maleate | 13 | — |
| Cyclosporine | 12 | — |
| Bimatoprostbrand: Lumigan |
Practice location
Mailing address
Additional practice locations (3)
- 21001 Sherman Way Ste 14Canoga Park, CA 91303-3679Phone: (747) 230-4024
- 477 E Colorado BlvdPasadena, CA 91101-2024Phone: (626) 796-1191
- 2233 E Garvey Ave N Ste aWest Covina, CA 91791-1500Phone: (626) 600-9486
Registry dates
- Enumerated
- 2021-04-20
- Last updated
- 2024-10-25
- Certified
- 2024-01-03
Frequently asked questions
- What is Warren Xie's NPI number?
- Warren Xie's National Provider Identifier (NPI) is 1841871704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Xie's specialty?
- Warren Xie is listed in the NPPES registry with a primary specialty of Low Vision Rehabilitation Optometrist (Eye and Vision Services Providers).
- Where is Warren Xie located?
- Warren Xie's practice location on file with NPPES is 120 W Hellman Ave Ste 302, Monterey Park, CA 91754-1209.
- What is Warren Xie's phone number?
- The practice phone number listed in the NPPES registry for Warren Xie is (626) 299-2020.
- Does Warren Xie accept Medicare?
- Warren Xie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Xie's NPI active?
- Yes — Warren Xie's NPI (1841871704) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.