Nichol Dillavou, O.D.
NPI 1558470401 · Optometrist · Bismarck, ND
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nichol Dillavou, O.D. is a Optometrist provider in Bismarck, ND (NPI 1558470401).
Provider details
- NPI number
- 1558470401
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 591 (ND)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
124 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Problem Focused Exam of Visual System92012 | 79 | $87 |
| New Patient Problem Focused Exam of Visual System92002 | 29 | $83 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $79 |
Typical Medicare-allowed amounts for these services range $79–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Practice location
Mailing address
Additional practice locations (2)
- 2821 Rock Island PlBismarck, ND 58504Phone: (701) 471-0465
- 2821 Rock Island PlBismarck, ND 58504Phone: (701) 471-0465
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Nichol Dillavou's NPI number?
- Nichol Dillavou's National Provider Identifier (NPI) is 1558470401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nichol Dillavou's specialty?
- Nichol Dillavou is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nichol Dillavou located?
- Nichol Dillavou's practice location on file with NPPES is 1325 57th Ave Ne, Bismarck, ND 58503-6581.
- What is Nichol Dillavou's phone number?
- The practice phone number listed in the NPPES registry for Nichol Dillavou is (701) 471-0465.
- Does Nichol Dillavou accept Medicare?
- Nichol Dillavou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nichol Dillavou's NPI active?
- Yes — Nichol Dillavou's NPI (1558470401) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.