Provider Profile
Thanh-Thao Thieu, O.D. is an optometrist practicing in Chalfont, PA. Thanh-Thao trained at Pennsylvania College of Optometry, graduating in 2003. Medicare claims data shows Thanh-Thao provided 203 services to 197 patients. The services billed most often include imaging of retina for disease detection, with automated review and report at point of care, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3425 LIMEKILN PIKE SUITE 2
Chalfont, PA 18914
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
203 services · 197 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of retina for disease detection, with automated review and report at point of care | Treatment | 92229 |
163 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | Less often than most peers in Optometrist |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
12 | Less often than most peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Thanh-Thao Thieu is an optometrist in Chalfont, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Thanh-Thao Thieu is listed at 3425 Limekiln Pike Suite 2, Chalfont, PA 18914. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (215) 997-0411. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Thanh-Thao Thieu's National Provider Identifier is 1588634497. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Thanh-Thao Thieu attended Pennsylvania College of Optometry, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Thanh-Thao Thieu has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Thanh-Thao Thieu provides treatments such as imaging of retina for disease detection, with automated review and report at point of care, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Thanh-Thao Thieu. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.