Matthew D. Niehaus, AAC

  • Littleton, CO
  • Anesthesiologist assistant
NPI1679912216PAC ID4082842117
Medicare patients, 2024
80
MIPS score, 2024
85
Hospital affiliations
2
Medical group
1
State license
1
Practice address
7700 S Broadway, Littleton, CO 80122
Practice phone
Call (303) 730-8900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

AdventHealth Littleton

Hospital · Littleton, Colorado

See all 4 affiliations

Find Matthew Niehaus' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Matthew D. Niehaus is an anesthesiologist assistant in Littleton, Colorado

Matthew Niehaus practices at AdventHealth Littleton in Littleton, Colorado, part of AdventHealth.

Matthew Niehaus' NPI, 1679912216, was assigned on June 17, 2013. Matthew Niehaus holds Colorado license ANT.0000040.

NPI and contact details
Medicare PAC ID
4082842117
NPI enumeration date
June 17, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 730-8900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Matthew D. Niehaus practices at AdventHealth Littleton in Littleton, Colorado

Matthew Niehaus' primary practice is AdventHealth Littleton, at 7700 S Broadway, Littleton, CO 80122 in Arapahoe County. The practice phone is (303) 730-8900.

Source: Dmand AI Affiliation Data

Matthew D. Niehaus is affiliated with 3 sites of care and 1 medical group

Matthew Niehaus' primary practice is AdventHealth Littleton in Littleton, Colorado, part of AdventHealth. Matthew Niehaus is also affiliated with AdventHealth Porter. The medical group on file is U.S. Anesthesia Partners. Dmand AI also links Matthew Niehaus to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Matthew Niehaus

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Matthew D. Niehaus' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Niehaus practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AdventHealth LittletonAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Matthew Niehaus practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across AdventHealth and 6.2K+ hospitals, with verified contacts in the same login.

Matthew D. Niehaus is one of 223 anesthesiologist assistants in Colorado

Anesthesiologist assistant is Matthew Niehaus' primary specialty in the NPI Registry, under taxonomy code 367H00000X. Matthew Niehaus is licensed in Colorado.

Specialties and state licenses

  • Anesthesiologist assistant, ColoradoPrimaryLicense ANT.0000040 · taxonomy 367H00000X

Anesthesiologist assistants near Matthew Niehaus

Counts of anesthesiologist assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Matthew D. Niehaus treated 80 Medicare patients in 2024, average age 76

CMS counts 80 Medicare patients who saw Matthew Niehaus in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Matthew Niehaus' median patient age at 36, with 90% women.

Medicare patients, 202480
Average age76
Average risk score1.46

Matthew Niehaus' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Matthew Niehaus' Medicare patients by sex, 2024

  • Women4556%
  • Men3544%

Chronic conditions among Matthew Niehaus' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Chronic kidney disease38%
  5. Mood disorders38%
  6. Depression33%
  7. Ischemic heart disease31%
  8. Atrial fibrillation28%

Share of Medicare patients with each condition. A patient can have several.

Matthew Niehaus' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 36

Patient panel by sex, all payers

  • Women90%
  • Men9%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Matthew D. Niehaus scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Matthew Niehaus for performance year 2024, reported as part of a group. Matthew Niehaus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Matthew Niehaus' MIPS scores, performance year 2024

  • 85of 100Final score
  • 85of 100Quality
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Sources for Matthew D. Niehaus's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Matthew D. Niehaus

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Matthew D. Niehaus' NPI number?

Matthew D. Niehaus' NPI number is 1679912216. It was assigned on June 17, 2013, and it is active in the NPI Registry.

What does Matthew D. Niehaus specialize in?

Matthew D. Niehaus is an anesthesiologist assistant in Littleton, Colorado. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).

Where does Matthew D. Niehaus practice?

Matthew Niehaus practices at 7700 S Broadway, Littleton, CO 80122. Matthew Niehaus' primary practice is AdventHealth Littleton in Littleton, Colorado, part of AdventHealth. Dmand AI also links Matthew Niehaus to 1 group practice or clinic.

What is Matthew D. Niehaus' office phone number?

The practice phone on file for Matthew Niehaus is (303) 730-8900.

What is Matthew D. Niehaus' medical license number?

Matthew Niehaus holds Colorado license ANT.0000040.

Which hospitals is Matthew D. Niehaus affiliated with?

Matthew Niehaus practices at AdventHealth Littleton in Littleton, Colorado. Matthew Niehaus is also affiliated with AdventHealth Porter.

What medical group is Matthew D. Niehaus part of?

Matthew Niehaus is linked to U.S. Anesthesia Partners.

Does Matthew D. Niehaus accept Medicare?

Yes. CMS lists Matthew Niehaus as accepting Medicare assignment.

What is Matthew D. Niehaus' MIPS score?

Matthew Niehaus' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Matthew D. Niehaus see?

CMS counts 80 Medicare patients who saw Matthew Niehaus in 2024, with an average age of 76.

How long has Matthew D. Niehaus been practicing?

Matthew Niehaus graduated from medical school in 2013, 13 years ago.

Selling to anesthesiologist assistant practices?

See anesthesiologist assistants in Colorado by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)