Lin Chia, O.D.
NPI 1578995866 · Optometrist · Waltham, MA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lin Chia, O.D. is a Optometrist provider in Waltham, MA (NPI 1578995866).
Provider details
- NPI number
- 1578995866
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4962 (MA)
Specialties & taxonomies
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
12 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
105 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $140 |
| Established Patient Complete Exam of Visual System92014 | 18 | $139 |
| Exam of Visual Field With Extended Testing92083 | 13 | $72 |
| Imaging of Optic Nerve92133 | 13 | $38 |
| Imaging of Retina92134 | 12 | $45 |
Typical Medicare-allowed amounts for these services range $38–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$876 across 12 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
- 2013-08-08
- Last updated
- 2015-03-06
Frequently asked questions
- What is Lin Chia's NPI number?
- Lin Chia's National Provider Identifier (NPI) is 1578995866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lin Chia's specialty?
- Lin Chia is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Lin Chia located?
- Lin Chia's practice location on file with NPPES is 400 5th Ave, Waltham, MA 02451-8706.
- What is Lin Chia's phone number?
- The practice phone number listed in the NPPES registry for Lin Chia is (781) 890-9922.
- Does Lin Chia accept Medicare?
- Lin Chia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lin Chia's NPI active?
- Yes — Lin Chia's NPI (1578995866) is active in the NPPES registry as of the last update on 2015-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.