NPPES file of Aug 9, 2026

Joanne Ivy Isaacs, N.P.

Psychiatric/Mental Health Nurse Practitioner · Flagstaff, AZ

Joanne Ivy Isaacs, N.P. is a psychiatric/mental health nurse practitioner with a practice address in Flagstaff, Arizona, and NPI 1902105661, issued on Mar 21, 2011. Check the license (Arizona AP3978, 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
1902105661
Name
Joanne Ivy Isaacs
Credential
N.P.
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
AP3978 AZ
Self-reported in NPPES; status is on the state search
Practice location
930 N Switzer Canyon Dr Ste 104, Flagstaff, AZ 86001
Phone
(928) 985-1495
Enumerated
Mar 21, 2011
Record last updated
Aug 12, 2025
Medicare enrollment
Enrolled (PECOS I20251024001767); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 930 N Switzer Canyon Dr Ste 104

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

  1. Kristin Austin, NMDNaturopath1902380215

Verify Joanne Ivy Isaacs 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 AP3978
    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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98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

19 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Joanne Isaacs19
  2. Specialty average906

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.

Bills Medicare through one group practice

  1. Sondermind Provider Network LLCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joanne Ivy Isaacs among 1,887 psychiatric/mental health nurse practitioner records in Arizona

Joanne Ivy Isaacs, N.P. is one of 1,887 psychiatric/mental health nurse practitioner records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 15% of them.

  • NPI issued2011 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2011 · median 2020 among the 1,079 with a school on file
  • Record last updated2025 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Arizona

There are 1,887 psychiatric/mental health nurse practitioner records in Arizona.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Kerry Chapley, NPFlagstaff, AZ 860011700215191
  2. Phillip Dubravcic, PMHNPFlagstaff, AZ 860011962910760
  3. Amy Duschinski, PMHNP-BCFlagstaff, AZ 860011639915101
  4. Dustin Husemann, ACNP-BC, PMHNP-BCFlagstaff, AZ 860011548756794
  5. Lynn Johnson, FNPFlagstaff, AZ 860011124318159
  6. Andres Kohler, RNFlagstaff, AZ 860011558176313
  7. Rebecca Landon, DNP, PMHNPFlagstaff, AZ 860011508428368
  8. Joan Moore, PMHNPFlagstaff, AZ 860011912484437

Common questions

What is Joanne Ivy Isaacs, N.P.'s NPI number?

Joanne Ivy Isaacs, N.P.'s National Provider Identifier (NPI) is 1902105661, issued on Mar 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Ivy Isaacs, N.P. located?

The NPPES record lists a practice address at 930 N Switzer Canyon Dr Ste 104, Flagstaff, AZ, 86001. Phone: (928) 985-1495. Providers update this record themselves, so call before visiting.

How can I verify Joanne Ivy Isaacs, N.P.'s license?

NPPES lists Arizona license number AP3978, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Joanne Ivy Isaacs, N.P. prescribe under Medicare Part D?

In 2024, Joanne Ivy Isaacs, N.P. had 19 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.