Janet Tham, O.D.
NPI 1497830848 · Optometrist · Honolulu, HI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Tham, O.D. is a Optometrist provider in Honolulu, HI (NPI 1497830848).
Provider details
- NPI number
- 1497830848
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- TA1817 (MD)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,272 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 309 | $140 |
| Photography of the Retina92250 | 263 | $41 |
| Established Patient Problem Focused Exam of Visual System92012 | 250 | $101 |
| Exam of Visual Field With Extended Testing92083 | 148 | $71 |
| Imaging of Optic Nerve92133 | 127 | $39 |
| Imaging of Retina92134 | 90 | $45 |
| Exam of the Internal Drainage System of Eye92020 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 153 | 56 |
| Timolol Maleate | 73 | 27 |
| Brimonidine Tartrate | 28 | 13 |
| Dorzolamide Hcl | 25 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 18 | — |
| Bimatoprostbrand: Lumigan | 16 | — |
| Cyclosporinebrand: Restasis | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$412 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2018-01-12
Frequently asked questions
- What is Janet Tham's NPI number?
- Janet Tham's National Provider Identifier (NPI) is 1497830848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Tham's specialty?
- Janet Tham is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Janet Tham located?
- Janet Tham's practice location on file with NPPES is 850 W Hind Dr Ste 212, Honolulu, HI 96821-1845.
- What is Janet Tham's phone number?
- The practice phone number listed in the NPPES registry for Janet Tham is (808) 373-4522.
- Does Janet Tham accept Medicare?
- Janet Tham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Tham's NPI active?
- Yes — Janet Tham's NPI (1497830848) is active in the NPPES registry as of the last update on 2018-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.