Linda Tsai, MD
NPI 1821014135 · Ophthalmology Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Tsai, MD is a Ophthalmology Physician provider in Scottsdale, AZ (NPI 1821014135).
Provider details
- NPI number
- 1821014135
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 111187 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,165 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 905 | $119 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 212 | $40 |
| Imaging of Retina92134 | 195 | $38 |
| Imaging of Optic Nerve92133 | 171 | $34 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 129 | $509 |
| Established Patient Problem Focused Exam of Visual System92012 | 123 | $85 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 586 | 125 |
| Prednisolone Acetate | 497 | 367 |
| Ofloxacin | 365 | 306 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 164 | 50 |
| Timolol Maleate | 161 | 47 |
| Ketorolac Tromethamine | 153 | 132 |
| Brimonidine Tartrate | 58 | 25 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,497 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 450 N New Ballas RdDept Ophthalmology, Ste 260Saint Louis, MO 63141-6859Phone: (314) 362-3937Fax: (866) 505-8818
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Linda Tsai's NPI number?
- Linda Tsai's National Provider Identifier (NPI) is 1821014135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Tsai's specialty?
- Linda Tsai is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Linda Tsai located?
- Linda Tsai's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259-5499.
- What is Linda Tsai's phone number?
- The practice phone number listed in the NPPES registry for Linda Tsai is (480) 301-8000.
- Does Linda Tsai accept Medicare?
- Linda Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Tsai's NPI active?
- Yes — Linda Tsai's NPI (1821014135) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.