Maria E. Barnwell, PA
Physician Assistant · Guadalupe, AZ
Maria E. Barnwell, PA is a physician assistant with a practice address in Guadalupe, Arizona, and NPI 1679529515, issued on May 25, 2006. Check the license (Arizona 3805, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria E. Barnwell
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3805 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5825 E Calle Guadalupe, Guadalupe, AZ 85283
- Phone
- (480) 344-6000
- Enumerated
- May 25, 2006
- Record last updated
- Mar 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (480) 344-6001
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 5825 E Calle Guadalupe
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grant SatterthwaiteClinical Social Worker1679242762
- Oghenetega Vance, FNPFamily Nurse Practitioner1104416007
- David Wilson, DOFamily Medicine Physician1013651322
Verify Maria E. Barnwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 3805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average physician assistant in 2024
828 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Lisinopril76 claims
- Atorvastatin Calcium62 claims
- Amlodipine Besylate47 claims
- Metformin Hcl34 claims
- Levothyroxine Sodium29 claims
- Losartan Potassium27 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.
Maria E. Barnwell among 3,666 physician assistant records in Arizona
Maria E. Barnwell, PA is one of 3,666 physician assistant records with a practice address in Arizona. 77% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2018 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 physician assistant record lists a practice address in Guadalupe
They are 1 of the 24 NPPES records with a practice address in Guadalupe, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Guadalupe → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Monica Burns, PATempe, AZ 852831508236290
- Channing CabanillasTempe, AZ 852831487187282
- Kristina Cieply, PA-CTempe, AZ 852831982880068
- Tera Crisalida, PATempe, AZ 852831720167950
- Jennifer Gibler, P.A.-CTempe, AZ 852831033218755
- Carrie Graham, PA-CTempe, AZ 852831457684490
- Jamie Ostdiek, PA-CTempe, AZ 852831194246223
- Elizabeth Patterson, P.A.Tempe, AZ 852831013002807
Common questions
What is Maria E. Barnwell, PA's NPI number?
Maria E. Barnwell, PA's National Provider Identifier (NPI) is 1679529515, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria E. Barnwell, PA located?
The NPPES record lists a practice address at 5825 E Calle Guadalupe, Guadalupe, AZ, 85283. Phone: (480) 344-6000. Providers update this record themselves, so call before visiting.
How can I verify Maria E. Barnwell, PA's license?
NPPES lists Arizona license number 3805, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Maria E. Barnwell, PA prescribe under Medicare Part D?
In 2024, Maria E. Barnwell, PA had 828 Medicare Part D claims for 106 beneficiaries; the average among physician assistant prescribers was 830. 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.