Mark S. Maxwell, AUD
Audiologist · Glendale, AZ
Mark S. Maxwell, AUD is an audiologist with a practice address in Glendale, Arizona, and NPI 1770921884, issued on Jun 11, 2013. Check the license (Arizona DA8304, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark S. Maxwell
- Credential
- AUD
- Primary taxonomy
- Audiologist 231H00000X
- License number
- DA8304 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 18700 N 64TH Dr, Glendale, AZ 85308
- Phone
- (623) 566-4718
- Enumerated
- Jun 11, 2013
- Record last updated
- Jun 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130828000768); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 431 in Arizona → Look up another NPI →
Also registered at 18700 N 64TH Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jerald Altman, MDOtolaryngology Physician1972531358
- Michael Berman, DOPediatrics Physician1053314328
- David Biegen, EDDClinical Psychologist1750349767
- Michelle Cabalona, MDPediatrics Physician1487657748
- Bruce Fergen, FNPFamily Nurse Practitioner1770569766
- Dana Garner, NPAdult Health Nurse Practitioner1285905315
Verify Mark S. Maxwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license DA8304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 69.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Valley Ent PCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Maxwell among 431 audiologist records in Arizona
Mark S. Maxwell, AUD is one of 431 audiologist records with a practice address in Arizona. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 52% of them.
- NPI issued2013 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated2013 · median 2014 among the 161 with a school on file
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Audiologist providers in Arizona
There are 431 audiologist records in Arizona.
All 431 in Arizona → Every provider in Glendale → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Rachael Cook, AUDGlendale, AZ 853081053085274
- Kiana Gerard, AUDGlendale, AZ 853081538897400
- Martin Robinette, PH.D.Glendale, AZ 853081265416416
- Daniel Bos, AU.D.Glendale, AZ 853061225526536
- Stephen DexterGlendale, AZ 853061124287636
- Candice Grotsky, AU.D.Glendale, AZ 853061326026352
- Darryl Johnson, M.A., F.A,A.A.Glendale, AZ 853061265589725
- Clemente Morales, AUDGlendale, AZ 853061801409032
Common questions
What is Mark S. Maxwell, AUD's NPI number?
Mark S. Maxwell, AUD's National Provider Identifier (NPI) is 1770921884, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Maxwell, AUD located?
The NPPES record lists a practice address at 18700 N 64TH Dr, Glendale, AZ, 85308. Phone: (623) 566-4718. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Maxwell, AUD's license?
NPPES lists Arizona license number DA8304, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
What is Mark S. Maxwell, AUD's MIPS final score?
The 2023 MIPS final score is 69.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.