Matthew Niehaus, AA-C
NPI 1679912216 · Anesthesiologist Assistant · Greenwood Village, CO
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Niehaus, AA-C is a Anesthesiologist Assistant provider in Greenwood Village, CO (NPI 1679912216).
Provider details
- NPI number
- 1679912216
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- ANT.0000040 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-06-17
- Last updated
- 2023-11-29
- Certified
- 2023-11-29
Frequently asked questions
- What is Matthew Niehaus's NPI number?
- Matthew Niehaus's National Provider Identifier (NPI) is 1679912216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Niehaus's specialty?
- Matthew Niehaus is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Matthew Niehaus located?
- Matthew Niehaus's practice location on file with NPPES is 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111-4766.
- What is Matthew Niehaus's phone number?
- The practice phone number listed in the NPPES registry for Matthew Niehaus is (303) 438-3999.
- Does Matthew Niehaus accept Medicare?
- Matthew Niehaus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Niehaus's NPI active?
- Yes — Matthew Niehaus's NPI (1679912216) is active in the NPPES registry as of the last update on 2023-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.