Nichol K. Dillavou, O.D.
Optometrist · Bismarck, ND
Nichol K. Dillavou, O.D. is an optometrist with a practice address in Bismarck, North Dakota, and NPI 1558470401, issued on Aug 30, 2006. Check the license (North Dakota 591, as entered in NPPES) with the North Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nichol K. Dillavou
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 591 ND
Self-reported in NPPES; status is on the state search - Practice location
- 1325 57TH Ave NE, Bismarck, ND 58503
- Phone
- (701) 471-0465
- Enumerated
- Aug 30, 2006
- Record last updated
- Apr 28, 2025
- Fax
- (701) 712-5662
- Medicaid ID
- 60566 ND
- Medicare enrollment
- Enrolled (PECOS I20061110000408); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 236 in North Dakota → Look up another NPI →
Also registered at 1325 57TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Reyes, PHARMDPharmacist1205381894
Verify Nichol K. Dillavou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
Search for license 591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nichol K. Dillavou among 236 optometrist records in North Dakota
Nichol K. Dillavou, O.D. is one of 236 optometrist records with a practice address in North Dakota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 53% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2000 · median 2007 among the 172 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 optometrist records list a practice address in Bismarck
They are 42 of the 3,669 NPPES records with a practice address in Bismarck, and 236 optometrist records in North Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 236 in North Dakota → Every provider in Bismarck → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Wayne Aberle, O.D.Bismarck, ND 585031427165356
- Tom Deis, ODBismarck, ND 585031205968971
- Amy Fleck, ODBismarck, ND 585031598712515
- George Gero, ODBismarck, ND 585031255388294
- Michael Hammerschmidt, O.D.Bismarck, ND 585031245248418
- Krista Heil, O.D.Bismarck, ND 585031215991799
- Michael Kostelecky, O.D.Bismarck, ND 585031326102542
- Marty Mrachek, O.D.Bismarck, ND 585031104963099
Common questions
What is Nichol K. Dillavou, O.D.'s NPI number?
Nichol K. Dillavou, O.D.'s National Provider Identifier (NPI) is 1558470401, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nichol K. Dillavou, O.D. located?
The NPPES record lists a practice address at 1325 57TH Ave NE, Bismarck, ND, 58503. Phone: (701) 471-0465. Providers update this record themselves, so call before visiting.
How can I verify Nichol K. Dillavou, O.D.'s license?
NPPES lists North Dakota license number 591, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.