NPPES file of Aug 9, 2026

Mark Siemon, PHD, RN, PHNA-BC

Community Health Registered Nurse · Teec Nos Pos, AZ

Mark Siemon, PHD, RN, PHNA-BC is a community health registered nurse with a practice address in Teec Nos Pos, Arizona, and NPI 1639016264, issued on May 1, 2026. Check the license (Arizona 338113, 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
1639016264
Name
Mark Siemon
Credential
PHD, RN, PHNA-BC
Primary taxonomy
Community Health Registered Nurse 163WC1500X
License number
338113 AZ
Self-reported in NPPES; status is on the state search
Practice location
Hwy 160 & Navajo Route 35, Teec Nos Pos, AZ 86514
Phone
(928) 656-5308
Enumerated
May 1, 2026
Record last updated
May 1, 2026
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 community health registered nurse records → All 138 in Arizona → Look up another NPI →

Verify Mark Siemon 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 338113    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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Mark Siemon among 138 community health registered nurse records in Arizona

Mark Siemon, PHD, RN, PHNA-BC is one of 138 community health registered nurse records with a practice address in Arizona. 0% 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 2026, is newer than 96% of them.

  • NPI issued2026 · 96% of these records are older, 0% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2026 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WC1500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 community health registered nurse records list a practice address in Teec Nos Pos

They are 3 of the 76 NPPES records with a practice address in Teec Nos Pos, and 138 community health registered nurse records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 138 in Arizona → Every provider in Teec Nos Pos → Community Health Registered Nurse nationwide →

The 8 community health registered nurse records with the nearest ZIP codes

  1. Marie Bastin, RNTeec Nos Pos, AZ 865141598102022
  2. Eric Howser, RNTeec Nos Pos, AZ 865141366603771
  3. Kathleen Arviso, RNFort Defiance, AZ 865041235425554
  4. Orena Sam, RN, BSNFort Defiance, AZ 865041356637664
  5. Christine Delmas, RN,BSN,MPH,JDChinle, AZ 865031730381963
  6. Karen Thomas, NURSEChinle, AZ 865031932301058
  7. Ashley Daye, R.N.Supai, AZ 864351265787956
  8. Michelle Arena, BSNPeach Springs, AZ 864341184763815

Common questions

What is Mark Siemon, PHD, RN, PHNA-BC's NPI number?

Mark Siemon, PHD, RN, PHNA-BC's National Provider Identifier (NPI) is 1639016264, issued on May 1, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Mark Siemon, PHD, RN, PHNA-BC located?

The NPPES record lists a practice address at Hwy 160 & Navajo Route 35, Teec Nos Pos, AZ, 86514. Phone: (928) 656-5308. Providers update this record themselves, so call before visiting.

How can I verify Mark Siemon, PHD, RN, PHNA-BC's license?

NPPES lists Arizona license number 338113, 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.