James Willis Buckner, M.D.
Internal Medicine Physician · Phoenix, AZ
James Willis Buckner, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1699068387, issued on May 27, 2011. Check the license (Arizona 52872, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Willis Buckner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 52872 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9212 N Central Ave, Phoenix, AZ 85020
- Phone
- (480) 999-4954
- Enumerated
- May 27, 2011
- Record last updated
- Apr 5, 2024
- Fax
- (480) 999-4712
- Medicaid ID
- 203338 AZ
- Medicare enrollment
- Enrolled (PECOS I20160817001780); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 9212 N Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Willis Buckner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 52872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average internal medicine physician in 2024
3,464 Medicare Part D claims for 314 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium154 claims
- Furosemide148 claims
- Gabapentin117 claims
- Pantoprazole Sodium112 claims
- Trazodone Hcl94 claims
- Clopidogrel93 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: $305.56
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Bills Medicare through one group practice
- Zion Medical Group PLLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Willis Buckner among 2,853 internal medicine physician records in Arizona
James Willis Buckner, M.D. 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 2011, is newer than 62% of them.
- NPI issued2011 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2003 among the 1,643 with a school on file
- Record last updated2024 · 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mario Avila, MDPhoenix, AZ 850201740273911
- Dianna Bastian, M.D.Phoenix, AZ 850201700869476
- John Hortareas, DOPhoenix, AZ 850201376536193
- Amy Lee, MDPhoenix, AZ 850201699760751
- Alfredo Lim, M.D.Phoenix, AZ 850201225002371
- Steven Parker, M.D.Phoenix, AZ 850201841287794
- Christopher Perez, M.D.Phoenix, AZ 850201437144318
- Kevan Pickrel, MDPhoenix, AZ 850201568455384
Common questions
What is James Willis Buckner, M.D.'s NPI number?
James Willis Buckner, M.D.'s National Provider Identifier (NPI) is 1699068387, issued on May 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James Willis Buckner, M.D. located?
The NPPES record lists a practice address at 9212 N Central Ave, Phoenix, AZ, 85020. Phone: (480) 999-4954. Providers update this record themselves, so call before visiting.
How can I verify James Willis Buckner, M.D.'s license?
NPPES lists Arizona license number 52872, 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 James Willis Buckner, M.D. prescribe under Medicare Part D?
In 2024, James Willis Buckner, M.D. had 3,464 Medicare Part D claims for 314 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.