DR. LILLIAN KHOWONG TO MD
NPI 1487181848
Ophthalmology - Glaucoma Specialist in Pittsburgh, PA

Active since May 16, 2017PECOS EnrolledAccepts Medicare Assignment
77.5/100
CMS Quality Rating
203 LOTHROP ST FL 8, PITTSBURGH, PA 15213(412) 647-2200 Get Directions Write a Review

NPPES record last updated: September 14, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 14, 2022, Sep 7, 2022, Feb 15, 2021 and 3 more (6 updates tracked since 2017).

About Dr. Lillian Khowong To Md NPPES

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

DR. LILLIAN KHOWONG TO MD (NPI 1487181848) is an individual glaucoma specialist in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD479080) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with Upmc Mercy, and is a graduate of University Of Pittsburgh School Of Medicine (2017).

NPPES Registry Identity

NPI1487181848
Entity TypeIndividualFemale
Primary Taxonomy207WX0009X
Provider Legal NameDR. LILLIAN KHOWONG TOCredential: MD
Location Address203 LOTHROP ST FL 8Pittsburgh, PA 15213
Mailing Address203 Lothrop St Fl 8Pittsburgh, PA 15213-2548
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2017
Enumeration DateMay 16, 2017
Last NPPES UpdateSeptember 14, 20226 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2022
NPI 1487181848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyOphthalmology · Glaucoma SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0009X
License Licensed in PA · MD479080
Definition
An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
Also ListedInternal MedicineTaxonomy 207R00000X · License BP10060375 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License RS2020-0565 (NM)
203 LOTHROP ST FL 8, Pittsburgh, PA 15213

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. Lillian Khowong To 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 ID5698022820
PECOS Enrollment IDI20221005001540
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 7

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.

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.
154 services89 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
79 services65 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).
73 services65 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.
35 services32 patients
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.
26 services26 patients
Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
22 services21 patients

Hospital Affiliations CMS Care Compare

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

Upmc Mercy

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390028
Location1400 Locust StreetPittsburgh, PA 15219 · Allegheny County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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.

77.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.61
Promoting Interoperability100
Improvement Activities40
Cost56.4

Other Providers at the Same Location NPPES 6

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

Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)
203 LOTHROP ST FL 8
PITTSBURGH, PA 15213
Ophthalmology (Retina Specialist)
203 LOTHROP ST FL 8, EEINS, 6TH, 7TH AND 8TH FLOORS
PITTSBURGH, PA 15213
Ophthalmology
203 LOTHROP ST FL 8
PITTSBURGH, PA 15213
Ophthalmology (Neuro-ophthalmology)
203 LOTHROP ST FL 8
PITTSBURGH, PA 15213
Ophthalmology (Glaucoma Specialist)
203 LOTHROP ST FL 8
PITTSBURGH, PA 15213
Ophthalmology (Cornea and External Diseases Specialist)
203 LOTHROP ST FL 8
PITTSBURGH, PA 15213

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 Lillian To's NPI number?

The NPI number for Lillian To is 1487181848. It was assigned to this individual provider in the NPPES registry on May 16, 2017.

Where is Lillian To located?

Lillian To practices at 203 Lothrop St Fl 8, Pittsburgh, PA 15213. The listed phone number is (412) 647-2200.

What is Lillian To's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.

Is Lillian To enrolled in Medicare?

Yes. Lillian To 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.

Is Lillian To affiliated with any hospitals?

According to CMS data, Lillian To is affiliated with Upmc Mercy.

When was this NPI record last updated?

The NPPES record for Lillian To was last updated on September 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.