Sherrill L. Weller, D.O.
Internal Medicine Physician · Flagstaff, AZ
Sherrill L. Weller, D.O. is an internal medicine physician with a practice address in Flagstaff, Arizona, and NPI 1992896781, issued on Sep 27, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sherrill L. Weller
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS 9943 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1350 Rim Dr., Flagstaff, AZ 86001
- Phone
- (928) 213-5881
- Enumerated
- Sep 27, 2006
- Record last updated
- Apr 11, 2022
- Fax
- (928) 226-0317
- Medicare enrollment
- Enrolled (PECOS I20190218001337); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Sherrill L. Weller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,232 Medicare Part D claims for 274 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 20 claims were for opioids.
Most prescribed
- Levothyroxine Sodium260 claims
- Atorvastatin Calcium138 claims
- Amlodipine Besylate92 claims
- Losartan Potassium92 claims
- Pravastatin Sodium74 claims
- Lisinopril70 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
- Ryan Internal Medicine PCFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sherrill L. Weller among 2,853 internal medicine physician records in Arizona
Sherrill L. Weller, D.O. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1997 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 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).
Internal Medicine Physician providers in Arizona
There are 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Flagstaff → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jane Bigler, MDFlagstaff, AZ 860011285607952
- Heather Crittenden, MDFlagstaff, AZ 860011467448142
- Bradley Dixon, MDFlagstaff, AZ 860011053393363
- Margaret Donnelly, MDFlagstaff, AZ 860011316924905
- Sharon Drake, D.O.Flagstaff, AZ 860011801996632
- Mark Foster, M.D.Flagstaff, AZ 860011710950480
- James Galloway, MDFlagstaff, AZ 860011053427229
- Thomas Ho, M.D.Flagstaff, AZ 860011538154505
Common questions
What is Sherrill L. Weller, D.O.'s NPI number?
Sherrill L. Weller, D.O.'s National Provider Identifier (NPI) is 1992896781, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sherrill L. Weller, D.O. located?
The NPPES record lists a practice address at 1350 Rim Dr., Flagstaff, AZ, 86001. Phone: (928) 213-5881. Providers update this record themselves, so call before visiting.
How can I verify Sherrill L. Weller, D.O.'s license?
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 Sherrill L. Weller, D.O. prescribe under Medicare Part D?
In 2024, Sherrill L. Weller, D.O. had 2,232 Medicare Part D claims for 274 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.