Gregory Oltmann DC LLC
NPI 1184406738 · Chiropractor · Tigard, OR
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Oltmann DC LLC is a Chiropractor organization in Tigard, OR (NPI 1184406738).
Provider details
- NPI number
- 1184406738
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Gregory Oltmann, Chiropractor/Owner(503) 888-1314
Specialties & taxonomies
Chiropractic Providers
- Clinic/Center261Q00000X
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-10-18
- Last updated
- 2024-04-10
- Certified
- 2024-04-10
Frequently asked questions
- What is Gregory Oltmann DC LLC's NPI number?
- Gregory Oltmann DC LLC's National Provider Identifier (NPI) is 1184406738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Oltmann DC LLC?
- Gregory Oltmann DC LLC is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Gregory Oltmann DC LLC located?
- Gregory Oltmann DC LLC's practice location on file with NPPES is 12700 Sw North Dakota St Ste 180, Tigard, OR 97223-0802.
- What is Gregory Oltmann DC LLC's phone number?
- The practice phone number listed in the NPPES registry for Gregory Oltmann DC LLC is (503) 716-8281.
- Does Gregory Oltmann DC LLC accept Medicare?
- Gregory Oltmann DC LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gregory Oltmann DC LLC?
- The authorized official listed on Gregory Oltmann DC LLC's NPPES record is Gregory Oltmann, Chiropractor/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Oltmann DC LLC's NPI active?
- Yes — Gregory Oltmann DC LLC's NPI (1184406738) is active in the NPPES registry as of the last update on 2024-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.