LOKA P THANGAMATHESVARAN MD
NPI 1558824680
Ophthalmology in Bellevue, WA

Q: What is Loka Thangamathesvaran's NPI number?

The NPI number for Loka Thangamathesvaran is 1558824680. It was assigned to this individual provider in the NPPES registry on April 6, 2019.

Q: What is Loka Thangamathesvaran's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since April 06, 2019PECOS EnrolledAccepts Medicare Assignment

1750 112TH AVE NE STE D050, BELLEVUE, WA 98004(206) 215-3850(206) 215-3870 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 14, 2025, Jul 18, 2023, Jun 9, 2020 and 1 more (4 updates tracked since 2019).

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About Loka P Thangamathesvaran Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOKA P THANGAMATHESVARAN MD (NPI 1558824680) is an individual ophthalmology provider in Bellevue, Washington, licensed in Washington (MD61536948) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Rutgers New Jersey Medical School (2019).

NPPES Registry Identity

NPI1558824680

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameLOKA P THANGAMATHESVARANCredential: MD

Location Address1750 112TH AVE NE STE D050Bellevue, WA 98004-3779

Mailing Address22232 17th Ave Se Ste 308Bothell, WA 98021-7425 · (425) 296-3837

Phone(206) 215-3850

Fax(206) 215-3870

Sole ProprietorNo

Medical School CMSRutgers New Jersey Medical SchoolGraduated 2019

Enumeration DateApril 6, 2019

Last NPPES UpdateJuly 31, 20254 updates tracked since enumeration

NPPES CertifiedJuly 31, 2025

✔ NPI 1558824680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in WA · MD61536948

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

1750 112TH AVE NE STE D050, Bellevue, WA 98004

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Loka P Thangamathesvaran Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880058288

PECOS Enrollment IDI20250627001979

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Loka Thangamathesvaran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pacific Northwest Retina PLLC

Same address

Retina Specialist

1750 112TH AVE NE STE D050
Bellevue, WA 98004

Reassigned Medicare billing, Washington enrollment
22 clinicians in this Medicare group

NPI 1558940387 (206) 215-3850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

140 services121 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

94 services86 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

66 services51 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

64 services62 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

49 services34 patients

Removal of membrane of retina with removal of internal limiting membrane of retina 67042

This procedure involves the surgical removal of a thin layer, called the membrane, from the retina. It also includes the removal of the innermost layer of the retina, known as the internal limiting membrane. This can help improve vision.

35 services34 patients

Exam of retinal blood vessels using a special camera after injection of a dye 92235

This procedure, known as a fluorescein angiography, involves taking images of the back of your eye. A dye is injected into your arm that travels to your eye, highlighting the blood vessels in your retina. This helps identify any abnormalities.

35 services33 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

33 services28 patients

Repair of detached retina with drainage and removal of eye fluid between lens and retina 67108

This procedure addresses a detached retina, a serious eye condition. It involves draining fluid from between the lens and retina, allowing the retina to reattach. Then, the eye fluid is removed to prevent future detachments. It's a crucial step for vision restoration.

24 services23 patients

Complex repair of detached retina and drainage of eye fluid between lens and retina 67113

This procedure involves reattaching your detached retina, a vital layer at the back of your eye. Simultaneously, excess fluid between your lens and retina is drained. This helps restore vision and prevent further eye damage.

22 services22 patients

Removal of eye fluid (vitreous) between lens and retina 67036

This procedure, known as a vitrectomy, involves removing some or all of the vitreous humor, the clear gel-like substance in the eye. It's done to treat various eye conditions, like retinal detachment or macular hole. The aim is to improve or stabilize vision. It's performed under local or general anesthesia.

20 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

20 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

15 services15 patients

Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser 67040

This procedure involves using a laser to eliminate the fluid (vitreous) between your lens and retina, along with the entire retina. It's a method often used to treat various eye conditions and improve eye health.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center

Acute Care Hospitals · Seattle, WA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500027

Location747 BroadwaySeattle, WA 98122 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98004 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHU JIAN MA MD

Ophthalmology