NPPES file of Aug 9, 2026

Robert Greathouse, ND

Naturopath · Scottsdale, AZ

Robert Greathouse, ND is a naturopath with a practice address in Scottsdale, Arizona, and NPI 1588336481, issued on Sep 30, 2021. Check the license (Arizona 21-1679, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588336481
Name
Robert Greathouse
Credential
ND
Primary taxonomy
Naturopath 175F00000X
License number
21-1679 AZ
Self-reported in NPPES; status is on the state search
Practice location
13430 N Scottsdale RD Ste 200, Scottsdale, AZ 85254
Phone
(833) 500-1753
Enumerated
Sep 30, 2021
Record last updated
Nov 7, 2022
Fax
(800) 768-2175
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 naturopath records → All 1,122 in Arizona → Look up another NPI →

Also registered at 13430 N Scottsdale RD Ste 200

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

  1. Lisa Cochran, FNP-CNurse Practitioner1841307279
  2. Patricia Hains, FNP-CFamily Nurse Practitioner1609328848
  3. Kiran Janjua, NMDNaturopath1386154730
  4. Christine Khuat, NMDFamily Medicine Physician1972067957
  5. Michelle Penno, FNP-CFamily Nurse Practitioner1518448307
  6. Jacob Quesada, NDNaturopath1710643655

Verify Robert Greathouse 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 21-1679    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

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73% fewer Medicare Part D claims than the average naturopath in 2024

29 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Robert Greathouse29
  2. Specialty average109

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.

Robert Greathouse among 1,122 naturopath records in Arizona

Robert Greathouse, ND is one of 1,122 naturopath 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 2021, is newer than 79% of them.

  • NPI issued2021 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

255 naturopath records list a practice address in Scottsdale

They are 255 of the 11,008 NPPES records with a practice address in Scottsdale, and 1,122 naturopath records in Arizona.

All 1,122 in Arizona → Every provider in Scottsdale → Naturopath nationwide →

The 8 naturopath records with the nearest ZIP codes

  1. Angelina Alejandro, NMDScottsdale, AZ 852541023384096
  2. Briana Cain, N.M.D.Scottsdale, AZ 852541508118365
  3. Ravi Chandiramani, N.D.Scottsdale, AZ 852541194807495
  4. Melenie Dunn, N.M.D.Scottsdale, AZ 852541710019757
  5. Melanie Icard, N.M.D.Scottsdale, AZ 852541669879359
  6. Vance Inouye, NMDScottsdale, AZ 852541497833479
  7. Tracy Magerus, NMDScottsdale, AZ 852541467695742
  8. Ashley MayerScottsdale, AZ 852541154632487

Common questions

What is Robert Greathouse, ND's NPI number?

Robert Greathouse, ND's National Provider Identifier (NPI) is 1588336481, issued on Sep 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Robert Greathouse, ND located?

The NPPES record lists a practice address at 13430 N Scottsdale RD Ste 200, Scottsdale, AZ, 85254. Phone: (833) 500-1753. Providers update this record themselves, so call before visiting.

How can I verify Robert Greathouse, ND's license?

NPPES lists Arizona license number 21-1679, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Greathouse, ND prescribe under Medicare Part D?

In 2024, Robert Greathouse, ND had 29 Medicare Part D claims; the average among naturopath prescribers was 109. 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.

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.