Sharon Jean Johnstone, MD
Neurology Physician · Phoenix, AZ
Sharon Jean Johnstone, MD is a neurology physician with a practice address in Phoenix, Arizona, and NPI 1407954167, issued on Sep 20, 2006. Check the license (Arizona 22156, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sharon Jean Johnstone
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 22156 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1800 E Van Buren St, Phoenix, AZ 85006
- Phone
- (602) 252-9838
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (602) 252-9836
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 458 in Arizona → Look up another NPI →
Also registered at 1800 E Van Buren St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Kartub, MDAnatomic Pathology & Clinical Pathology Physician1891765897
Verify Sharon Jean Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neurology physician in 2024
34 Medicare Part D claims for 12 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin18 claims
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.
Sharon Jean Johnstone among 458 neurology physician records in Arizona
Sharon Jean Johnstone, MD is one of 458 neurology physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Arizona
There are 458 neurology physician records in Arizona.
All 458 in Arizona → Every provider in Phoenix → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Nikita Chhabra, DOPhoenix, AZ 850061306461843
- Christina Chrisman, M.D.Phoenix, AZ 850061578832309
- Ekokobe Fonkem, DOPhoenix, AZ 850061538359534
- Leo Kahn, M.D.Phoenix, AZ 850061649242983
- Maninder Kaur, M.D.Phoenix, AZ 850061457868960
- Robin McFarlane, MDPhoenix, AZ 850061003312273
- Anthony Mosley, M.D.Phoenix, AZ 850061457303760
- Kari Patterson, M.D.Phoenix, AZ 850061700874906
Common questions
What is Sharon Jean Johnstone, MD's NPI number?
Sharon Jean Johnstone, MD's National Provider Identifier (NPI) is 1407954167, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Jean Johnstone, MD located?
The NPPES record lists a practice address at 1800 E Van Buren St, Phoenix, AZ, 85006. Phone: (602) 252-9838. Providers update this record themselves, so call before visiting.
How can I verify Sharon Jean Johnstone, MD's license?
NPPES lists Arizona license number 22156, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sharon Jean Johnstone, MD prescribe under Medicare Part D?
In 2024, Sharon Jean Johnstone, MD had 34 Medicare Part D claims for 12 beneficiaries; the average among neurology physician prescribers was 1,370. 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.