NPI age
13 years
Enumerated 2012-09-26
● Active
Type 1 · Individual
DR. Darren Williams Heiner, O.D.
Heiner is 1 of 24 optometrist providers in Caldwell and 1 of 598 in Idaho.
Primary specialty
Optometrist
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-06-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 598 active optometrist providers in Idaho.
NPI age
13 years
↓ 5 yr below median (18 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
17% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-09Enumerated in NPPES
2012
2026
Where they practice
Practice location
4207 Clock Tower Ave Ste 102
Caldwell, ID 836075236
Mailing address
4207 Clock Tower Ave Ste 102
Caldwell, ID 836075236
Specialties
-
Optometrist PrimaryDoctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 1 new optometrist provider has been added in Caldwell in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.