Ronald Grant Newbold, MD
Diagnostic Radiology Physician · Scottsdale, AZ
Ronald Grant Newbold, MD is a diagnostic radiology physician with a practice address in Scottsdale, Arizona, and NPI 1861481806, issued on Oct 20, 2005. Check the license (Arizona 18572, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald Grant Newbold
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 18572 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3501 N Scottsdale RD, Scottsdale, AZ 85251
- Phone
- (480) 425-5000
- Enumerated
- Oct 20, 2005
- Record last updated
- Feb 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (480) 945-6548
- Medicaid ID
- 75227 AZ
- Medicare enrollment
- Enrolled (PECOS I20040508000444); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →
Also registered at 3501 N Scottsdale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Grant Newbold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 18572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average diagnostic radiology physician in 2024
251 Medicare Part D claims for 225 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Methylprednisolone168 claims
- Metoprolol Tartrate71 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 2 group practices
- Sonoran Radiology LtdPeoria, AZ
- Southwest Diagnostic Imaging LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Grant Newbold among 869 diagnostic radiology physician records in Arizona
Ronald Grant Newbold, MD is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% 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, 84% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1984 · median 2003 among the 573 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 diagnostic radiology physician records list a practice address in Scottsdale
They are 196 of the 11,008 NPPES records with a practice address in Scottsdale, and 869 diagnostic radiology physician records in Arizona.
All 869 in Arizona → Every provider in Scottsdale → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ron Ayanzen, M.D.Scottsdale, AZ 852511013901586
- Glenn Cook, MDScottsdale, AZ 852511427047463
- William Horsley, MDScottsdale, AZ 852511457340416
- Kenneth Keller, MDScottsdale, AZ 852511891781886
- Ronald Korn, MD, PHDScottsdale, AZ 852511588653547
- Eric Kovalsky, MDScottsdale, AZ 852511194714154
- Mark Kuo, MDScottsdale, AZ 852511760471700
- Jonathan Levy, MDScottsdale, AZ 852511104815166
Common questions
What is Ronald Grant Newbold, MD's NPI number?
Ronald Grant Newbold, MD's National Provider Identifier (NPI) is 1861481806, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Grant Newbold, MD located?
The NPPES record lists a practice address at 3501 N Scottsdale RD, Scottsdale, AZ, 85251. Phone: (480) 425-5000. Providers update this record themselves, so call before visiting.
How can I verify Ronald Grant Newbold, MD's license?
NPPES lists Arizona license number 18572, 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 Ronald Grant Newbold, MD prescribe under Medicare Part D?
In 2024, Ronald Grant Newbold, MD had 251 Medicare Part D claims for 225 beneficiaries; the average among diagnostic radiology physician prescribers was 51. 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.