Gretchen B. Alexander, MD
Psychiatry Physician · Mesa, AZ
Gretchen B. Alexander, MD is a psychiatry physician with a practice address in Mesa, Arizona, and NPI 1851579783, issued on Feb 1, 2008. Check the license (Arizona 37661, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gretchen B. Alexander
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 37661 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 570 W Brown RD, Mesa, AZ 85201
- Phone
- (480) 344-2000
- Enumerated
- Feb 1, 2008
- Record last updated
- Oct 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 309461 AZ
- Medicare enrollment
- Enrolled (PECOS I20080319000144); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1987
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 570 W Brown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Adams, BEHAVIORIALISTClinical Social Worker1861611519
- Erum Ali, MDChild & Adolescent Psychiatry Physician1982622072
- Maria-Jesus Bailon, MDPsychiatry Physician1326085358
- Nicholas Baldwin, D.O.Psychiatry Physician1598022063
- Vernon Barksdale, MD,MPHPsychiatry Physician1871547380
- Frank Bevacqua, PHDClinical Psychologist1730439639
Verify Gretchen B. Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 37661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 93.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- District Medical Group IncMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen B. Alexander among 942 psychiatry physician records in Arizona
Gretchen B. Alexander, MD is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1987 · median 2007 among the 382 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Mesa → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Maria-Jesus Bailon, MDMesa, AZ 852011326085358
- Vernon Barksdale, MD,MPHMesa, AZ 852011871547380
- Esad Boskailo, MDMesa, AZ 852011245284660
- Laura Don, MDMesa, AZ 852011922052182
- Samuel Hand, MDMesa, AZ 852011780639161
- Dennis Hughes, MDMesa, AZ 852011073552527
- William James, MDMesa, AZ 852011952340028
- Carol Olson, MDMesa, AZ 852011639125313
Common questions
What is Gretchen B. Alexander, MD's NPI number?
Gretchen B. Alexander, MD's National Provider Identifier (NPI) is 1851579783, issued on Feb 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen B. Alexander, MD located?
The NPPES record lists a practice address at 570 W Brown RD, Mesa, AZ, 85201. Phone: (480) 344-2000. Providers update this record themselves, so call before visiting.
How can I verify Gretchen B. Alexander, MD's license?
NPPES lists Arizona license number 37661, 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.
What is Gretchen B. Alexander, MD's MIPS final score?
The 2023 MIPS final score is 93.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.