Donald Richard Bailey Miles, MD
Internal Medicine Physician · Chinle, AZ
Donald Richard Bailey Miles, MD is an internal medicine physician with a practice address in Chinle, Arizona, and NPI 1831517887, issued on Apr 6, 2014. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald Richard Bailey Miles
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D82981 MD
D0082981 MD
Self-reported in NPPES; status is on the state search - Practice location
- Hwy 191, Chinle, AZ 86503
- Phone
- (928) 674-7001
- Enumerated
- Apr 6, 2014
- Record last updated
- Jul 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20200326003129); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at Hwy 191
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Donald Richard Bailey Miles 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
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,787 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium219 claims
- Metformin Hcl Er97 claims
- Synthroid76 claims
- Lantus Solostar65 claims
- Lisinopril65 claims
- Metoprolol Succinate59 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dhhs Phs Naihs Chinle Comprehensive Health Care FacilityChinle, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Richard Bailey Miles among 2,853 internal medicine physician records in Arizona
Donald Richard Bailey Miles, 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 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2003 among the 1,643 with a school on file
- Record last updated2026 · 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).
14 internal medicine physician records list a practice address in Chinle
They are 14 of the 238 NPPES records with a practice address in Chinle, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Chinle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Beulah Allen, INTERNAL MEDICINEChinle, AZ 865031558431445
- Ethan Bornstein, M.D.Chinle, AZ 865031558789933
- Sayumi De Silva, M.D.Chinle, AZ 865031376770768
- Mary Evans, M.D.Chinle, AZ 865031598931495
- Amanda Gelman, MDChinle, AZ 865031003233990
- Vladimir Ioffe, M.D.Chinle, AZ 865031538199088
- Ezra Lichtman, MDChinle, AZ 865031720660285
- Xavier Orcutt, MDChinle, AZ 865031336609023
Common questions
What is Donald Richard Bailey Miles, MD's NPI number?
Donald Richard Bailey Miles, MD's National Provider Identifier (NPI) is 1831517887, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Donald Richard Bailey Miles, MD located?
The NPPES record lists a practice address at Hwy 191, Chinle, AZ, 86503. Phone: (928) 674-7001. Providers update this record themselves, so call before visiting.
How can I verify Donald Richard Bailey Miles, MD'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 Donald Richard Bailey Miles, MD prescribe under Medicare Part D?
In 2024, Donald Richard Bailey Miles, MD had 1,787 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Donald Richard Bailey Miles, MD's MIPS final score?
The 2023 MIPS final score is 84.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.