DR. REGINA LO SUN M. D.
NPI 1104852466
Ophthalmology in Pearland, TX

Active since June 25, 2006PECOS EnrolledAccepts Medicare Assignment
83.66/100
CMS Quality Rating
1535 CULLEN BLVD, SUITE 200, PEARLAND, TX 77581(713) 436-1551(713) 436-7491 Get Directions Write a Review

NPPES record last updated: June 2, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Regina Lo Sun M. D. NPPES

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

DR. REGINA LO SUN M. D. (NPI 1104852466) is an individual ophthalmology provider in Pearland, Texas, licensed in Texas (M6905) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of Northwestern University Feinberg Medical School (2002).

NPPES Registry Identity

NPI1104852466
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. REGINA LO SUNCredential: M. D.
Location Address1535 CULLEN BLVD, SUITE 200Pearland, TX 77581-8969
Mailing Address1535 Cullen Blvd, Suite 200Pearland, TX 77581-8969 · (713) 436-1551 · Fax (713) 436-7491
Fax(713) 436-7491
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2002
Enumeration DateJune 25, 2006
Last NPPES UpdateJune 2, 2022
NPPES CertifiedJune 2, 2022
NPI 1104852466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses Licensed in TX · M6905 Licensed in MN · 48534
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.
1535 CULLEN BLVD, Pearland, TX 77581

Other Identifiers 3

Medicaid190063103TX
Medicaid190063102TX
Medicaid190063101TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Regina Lo Sun M. D. 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 ID8628071651
PECOS Enrollment IDI20080130000367
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.

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.

Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
287 services101 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.
280 services166 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
214 services210 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
150 services91 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.
107 services104 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
100 services99 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77581 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
$131.03 typical visit price
range $57.16 – $172.89
Typical copayment $32.75 (range $14.29 – $43.22)
Most-billed visit code 99204
Established Patient
$71.28 typical visit price
range $18.45 – $141.27
Typical copayment $17.82 (range $4.61 – $35.31)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.66/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.45
Improvement Activities40
Cost63.05

Other Providers at the Same Location NPPES 2

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

Ophthalmology
1535 CULLEN BLVD, SUITE 200
PEARLAND, TX 77581
Optometrist
1535 CULLEN BLVD, STE 200
PEARLAND, TX 77581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Regina Sun's NPI number?

The NPI number for Regina Sun is 1104852466. It was assigned to this individual provider in the NPPES registry on June 25, 2006.

Where is Regina Sun located?

Regina Sun practices at 1535 Cullen Blvd Suite 200, Pearland, TX 77581. The listed phone number is (713) 436-1551.

What is Regina Sun's specialty?

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

Is Regina Sun enrolled in Medicare?

Yes. Regina Sun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Regina Sun accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 11 other insurers list Regina Sun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Regina Sun affiliated with any hospitals?

According to CMS data, Regina Sun is affiliated with Memorial Hermann Hospital System and Houston Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Regina Sun was last updated on June 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.