NPPES file of Aug 9, 2026

Steven Francis Koos, RDH

Dental Hygienist · Casa Grande, AZ

Steven Francis Koos, RDH is a dental hygienist with a practice address in Casa Grande, Arizona, and NPI 1427354398, issued on Feb 9, 2011. Check the license (Arizona H4840, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427354398
Name
Steven Francis Koos
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
License number
H4840 AZ
Self-reported in NPPES; status is on the state search
Practice location
865 N Arizola RD, Casa Grande, AZ 85122
Phone
(520) 836-3446
Enumerated
Feb 9, 2011
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(520) 836-2305
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest dental hygienist records → All 458 in Arizona → Look up another NPI →

Also registered at 865 N Arizola RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Heidi Abersfeller, PA CPhysician Assistant1356379754
  2. Caroline Adrian, PHARMDPharmacist1558080945
  3. Ivey Agee Wainwright, D.D.SGeneral Practice Dentistry1316326929
  4. Alonzo Alfred, LCPCProfessional Counselor1861642282
  5. Alejandra Arredondo, PHARM.D.Pharmacist1689250581
  6. Jeffrey Asman, PHARMDPharmacist1215538533

Verify Steven Francis Koos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license H4840    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Steven Francis Koos among 458 dental hygienist records in Arizona

Steven Francis Koos, RDH is one of 458 dental hygienist records with a practice address in Arizona. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 27% of them.

  • NPI issued2011 · 27% of these records are older, 71% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 124Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dental Hygienist providers in Arizona

There are 458 dental hygienist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 458 in Arizona → Every provider in Casa Grande → Dental Hygienist nationwide →

The 8 dental hygienist records with the nearest ZIP codes

  1. Charissa Castillo, RDHCasa Grande, AZ 851221447839386
  2. Rosenberg Delgado, RDH APCasa Grande, AZ 851221689515173
  3. Sharon Goettsch, RDHCasa Grande, AZ 851221558960740
  4. Sandra Hale, RDHCasa Grande, AZ 851221386491645
  5. Jayde Hillman-BurneyCasa Grande, AZ 851221316828643
  6. Jacquelin Johll, RDHCasa Grande, AZ 851221801615109
  7. Paul KwofieCasa Grande, AZ 851221447858899
  8. Janet Lovelace, RDHCasa Grande, AZ 851221619427812

Common questions

What is Steven Francis Koos, RDH's NPI number?

Steven Francis Koos, RDH's National Provider Identifier (NPI) is 1427354398, issued on Feb 9, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Steven Francis Koos, RDH located?

The NPPES record lists a practice address at 865 N Arizola RD, Casa Grande, AZ, 85122. Phone: (520) 836-3446. Providers update this record themselves, so call before visiting.

How can I verify Steven Francis Koos, RDH's license?

NPPES lists Arizona license number H4840, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.