Provider Profile
Precious F. Hwang, OD is an optometrist practicing in Buena Park, CA. According to Medicare claims data, Precious cared for 58 Medicare patients across 70 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and established patient complete exam of visual system.
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.
7592 SULLIVAN PL
Buena Park, CA 90621
17801 Pioneer Blvd Ste F
Artesia, CA 90701
661 N Euclid St
Anaheim, CA 92801
5512 E Britton Dr Ste 200
Long Beach, CA 90815
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
70 services · 58 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
31 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
39 | As often as other peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hwang is an optometrist in Buena Park, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Hwang is listed at 7592 Sullivan Pl, Buena Park, CA 90621. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 872-3442. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Hwang's National Provider Identifier is 1598287104. 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
Dr. Hwang has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Hwang provides treatments such as established patient complete exam of visual system, 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 Dr. Hwang. 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.