Loka P. Thangamathesvaran, MD
Ophthalmology Physician · Bellevue, WA
Loka P. Thangamathesvaran, MD is an ophthalmology physician with a practice address in Bellevue, Washington, and NPI 1558824680, issued on Apr 6, 2019. Check the license (Washington MD61536948, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Loka P. Thangamathesvaran
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD61536948 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1750 112TH Ave NE Ste D050, Bellevue, WA 98004
- Phone
- (206) 215-3850
- Enumerated
- Apr 6, 2019
- Record last updated
- Jul 31, 2025
- Fax
- (206) 215-3870
- Medicare enrollment
- Enrolled (PECOS I20250627001979); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2019
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 522 in Washington → Look up another NPI →
Also registered at 1750 112TH Ave NE Ste D050
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sibelle AzarRegistered Nurse1417847575
- Nicolaas Deruyter, MDOphthalmology Physician1972000602
- Stephanie Hsu, MDOphthalmology Physician1811450315
- Chu Jian Ma, MDOphthalmology Physician1245799576
- Sarah Morrissey, PA-CPhysician Assistant1790455798
Verify Loka P. Thangamathesvaran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61536948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average ophthalmology physician in 2024
764 Medicare Part D claims for 237 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Prednisolone Acetate222 claims
- Erythromycin165 claims
- Ofloxacin85 claims
- Dorzolamide-Timolol57 claims
- Latanoprost46 claims
- Ketorolac Tromethamine44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Pacific Northwest Retina PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Loka P. Thangamathesvaran among 522 ophthalmology physician records in Washington
Loka P. Thangamathesvaran, MD is one of 522 ophthalmology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 347 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Washington
There are 522 ophthalmology physician records in Washington.
All 522 in Washington → Every provider in Bellevue → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Andrew Barloon, MDBellevue, WA 980041457350670
- Howard Barnebey, M.D.Bellevue, WA 980041346206224
- Kent Bassett, M.D.Bellevue, WA 980041821002403
- Charles Birnbach, M.D.Bellevue, WA 980041144255936
- Linda Blakely, M.D.Bellevue, WA 980041932102365
- Robert Francis, M.D.Bellevue, WA 980041528016920
- Chiaki Gauntt, MDBellevue, WA 980041295717510
- Kent Leavitt, MDBellevue, WA 980041528062320
Common questions
What is Loka P. Thangamathesvaran, MD's NPI number?
Loka P. Thangamathesvaran, MD's National Provider Identifier (NPI) is 1558824680, issued on Apr 6, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Loka P. Thangamathesvaran, MD located?
The NPPES record lists a practice address at 1750 112TH Ave NE Ste D050, Bellevue, WA, 98004. Phone: (206) 215-3850. Providers update this record themselves, so call before visiting.
How can I verify Loka P. Thangamathesvaran, MD's license?
NPPES lists Washington license number MD61536948, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Loka P. Thangamathesvaran, MD prescribe under Medicare Part D?
In 2024, Loka P. Thangamathesvaran, MD had 764 Medicare Part D claims for 237 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.