Janelle L. Weyer, MD
Internal Medicine Physician · Chandler, AZ
Janelle L. Weyer, MD is an internal medicine physician with a practice address in Chandler, Arizona, and NPI 1770576597, issued on Aug 26, 2005. Check the license (Arizona 31826, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Janelle L. Weyer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 31826 AZ
64902 MN
11109215-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3800 S Alma School RD, Chandler, AZ 85248
- Phone
- (480) 907-7707
- Enumerated
- Aug 26, 2005
- Record last updated
- May 20, 2025
- Medicaid ID
- 858988 AZ
- Medicare enrollment
- Enrolled (PECOS I20040622001471); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 3800 S Alma School RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rajnikanth Ravula, M.D.Internal Medicine Physician1306028303
Verify Janelle L. Weyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 31826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
251 Medicare Part D claims for 120 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.
Most prescribed
- Prednisone24 claims
- Amoxicillin-Clavulanate Potass17 claims
- Azithromycin14 claims
- Furosemide14 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.
Bills Medicare through one group practice
- Rural Physicians Group-Pannu PLLCWickenburg, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janelle L. Weyer among 2,853 internal medicine physician records in Arizona
Janelle L. Weyer, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2001 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 internal medicine physician records list a practice address in Chandler
They are 93 of the 5,497 NPPES records with a practice address in Chandler, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Chandler → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nisar Ahmed, MDChandler, AZ 852481023084266
- Anupa Ashar, MDChandler, AZ 852481235170093
- Pedram Ayazi, MDChandler, AZ 852481861468209
- Raj Bhat, MDChandler, AZ 852481609839737
- Jennifer Cool, M.D.Sun Lakes, AZ 852481528067477
- Lourdes Gonzalez, D.O.Chandler, AZ 852481215970264
- Gita Jafari-Raske, MDChandler, AZ 852481043270226
- Philip Ku, M.D.Sun Lakes, AZ 852481376558775
Common questions
What is Janelle L. Weyer, MD's NPI number?
Janelle L. Weyer, MD's National Provider Identifier (NPI) is 1770576597, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Janelle L. Weyer, MD located?
The NPPES record lists a practice address at 3800 S Alma School RD, Chandler, AZ, 85248. Phone: (480) 907-7707. Providers update this record themselves, so call before visiting.
How can I verify Janelle L. Weyer, MD's license?
NPPES lists Arizona license number 31826, 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 Janelle L. Weyer, MD prescribe under Medicare Part D?
In 2024, Janelle L. Weyer, MD had 251 Medicare Part D claims for 120 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.