George L. Sibley, MD
Internal Medicine Physician · Scottsdale, AZ
George L. Sibley, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1043397276, issued on Nov 1, 2006. Check the license (Arizona 9085, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- George L. Sibley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 9085 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9590 E Ironwood Square Dr Ste 125, Scottsdale, AZ 85258
- Phone
- (480) 455-3000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 5, 2023
- Medicaid ID
- 238601 AZ
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 9590 E Ironwood Square Dr Ste 125
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify George L. Sibley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 9085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,685 Medicare Part D claims for 399 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 118 claims were for opioids.
Most prescribed
- Atorvastatin Calcium153 claims
- Levothyroxine Sodium131 claims
- Lisinopril130 claims
- Amlodipine Besylate95 claims
- Gabapentin85 claims
- Simvastatin77 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.
Industry payments in 2024: $85.43
1 payment: food and beverage; the largest payer was Bioprotect Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
George L. Sibley among 2,853 internal medicine physician records in Arizona
George L. Sibley, 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 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 fileNo · 58% of these records are
- Record last updated2023 · 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).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
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- Wookjin Chun, M.D.Scottsdale, AZ 852581689688699
- Chalmers Daniel, M.D.Scottsdale, AZ 852581760483424
- Stanley Horowitz, M.D.Scottsdale, AZ 852581619974094
- Douglas Lakin, M.D.Scottsdale, AZ 852581992783492
Common questions
What is George L. Sibley, MD's NPI number?
George L. Sibley, MD's National Provider Identifier (NPI) is 1043397276, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George L. Sibley, MD located?
The NPPES record lists a practice address at 9590 E Ironwood Square Dr Ste 125, Scottsdale, AZ, 85258. Phone: (480) 455-3000. Providers update this record themselves, so call before visiting.
How can I verify George L. Sibley, MD's license?
NPPES lists Arizona license number 9085, 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 George L. Sibley, MD prescribe under Medicare Part D?
In 2024, George L. Sibley, MD had 2,685 Medicare Part D claims for 399 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.