Mallory Jo Nyenhuis, D.D.S.
Dentist · Flagstaff, AZ
Mallory Jo Nyenhuis, D.D.S. is a dentist with a practice address in Flagstaff, Arizona, and NPI 1437503364, issued on Apr 18, 2016. Check the license (Arizona D011313, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory Jo Nyenhuis
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- D011313 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 223 N San Francisco St Ste 104, Flagstaff, AZ 86001
- Phone
- (928) 275-1252
- Enumerated
- Apr 18, 2016
- Record last updated
- Feb 13, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,928 in Arizona → Look up another NPI →
Verify Mallory Jo Nyenhuis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D011313Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average dentist in 2024
36 Medicare Part D claims for 27 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Azithromycin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $39.44
1 payment: food and beverage; the largest payer was Patterson Companies, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mallory Jo Nyenhuis among 1,928 dentist records in Arizona
Mallory Jo Nyenhuis, D.D.S. is one of 1,928 dentist records with a practice address in Arizona. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- 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 122300000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Arizona
There are 1,928 dentist records in Arizona.
All 1,928 in Arizona → Every provider in Flagstaff → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Bacon, D.D.S.Flagstaff, AZ 860011427198522
- Mark Castle, DDSFlagstaff, AZ 860011962654889
- Thomas Grabarek, D.D.S.Flagstaff, AZ 860011255496238
- Mark Greene, D.M.D.Flagstaff, AZ 860011841416757
- Owen Hibbert, DDSFlagstaff, AZ 860011013070812
- Robert Maurer, D.D.S.Flagstaff, AZ 860011669658589
- Daniel Mease, DDSFlagstaff, AZ 860011487169827
- Vaughn Oliver, D.D.S.Flagstaff, AZ 860011083942940
Common questions
What is Mallory Jo Nyenhuis, D.D.S.'s NPI number?
Mallory Jo Nyenhuis, D.D.S.'s National Provider Identifier (NPI) is 1437503364, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mallory Jo Nyenhuis, D.D.S. located?
The NPPES record lists a practice address at 223 N San Francisco St Ste 104, Flagstaff, AZ, 86001. Phone: (928) 275-1252. Providers update this record themselves, so call before visiting.
How can I verify Mallory Jo Nyenhuis, D.D.S.'s license?
NPPES lists Arizona license number D011313, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Mallory Jo Nyenhuis, D.D.S. prescribe under Medicare Part D?
In 2024, Mallory Jo Nyenhuis, D.D.S. had 36 Medicare Part D claims for 27 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.