Kristi Kessler-Williams, OD
NPI 1558420547 · Optometrist · Mexico, MO
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristi Kessler-Williams, OD is a Optometrist provider in Mexico, MO (NPI 1558420547).
Provider details
- NPI number
- 1558420547
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- Yes
- License
- T03285 (MO)
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
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
893 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 | 271 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 210 | $118 |
| Photography of the Retina92250 | 168 | $33 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 86 | $97 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 46 | $154 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 160 | 32 |
| Timolol Maleate | 79 | 13 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 34 | 21 |
| Tobramycin | 28 | 27 |
| Prednisolone Acetate | 23 | 16 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 18 | — |
| Bimatoprostbrand: Lumigan | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 2 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
- 2006-12-06
- Last updated
- 2007-07-09
Frequently asked questions
- What is Kristi Kessler-Williams's NPI number?
- Kristi Kessler-Williams's National Provider Identifier (NPI) is 1558420547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristi Kessler-Williams's specialty?
- Kristi Kessler-Williams is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Kristi Kessler-Williams located?
- Kristi Kessler-Williams's practice location on file with NPPES is 201 S Muldrow St, Mexico, MO 65265-1980.
- What is Kristi Kessler-Williams's phone number?
- The practice phone number listed in the NPPES registry for Kristi Kessler-Williams is (573) 581-8811.
- Does Kristi Kessler-Williams accept Medicare?
- Kristi Kessler-Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristi Kessler-Williams's NPI active?
- Yes — Kristi Kessler-Williams's NPI (1558420547) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.