NPPES file of Aug 9, 2026

William P. Buckley, M.D.

Internal Medicine Physician · Elkhart, IN

William P. Buckley, M.D. is an internal medicine physician with a practice address in Elkhart, Indiana, and NPI 1922001098, issued on May 23, 2005. Check the license (Indiana 01044742A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922001098
Name
William P. Buckley
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01044742A IN
Self-reported in NPPES; status is on the state search
Practice location
303 S Nappanee St, Elkhart, IN 46514
Phone
(574) 296-3314
Enumerated
May 23, 2005
Record last updated
Aug 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(574) 296-3351
Medicaid ID
200105920A IN
Medicare enrollment
Enrolled (PECOS I20091001000366); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 303 S Nappanee St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Abrell, DPMPodiatrist1164917167
  2. Pavan Ahuja, M.D.Internal Medicine Physician1578566675
  3. Timothy Davis, M.D.Family Medicine Physician1356344204
  4. Matthew DeereSurgery Physician1952797771
  5. Minnie Enriquez, M.D.Internal Medicine Physician1225031164
  6. Kenneth Gammon, M.D.Pulmonary Disease Physician1528061447

Verify William P. Buckley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01044742A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5.2 times the Medicare Part D claims of the average internal medicine physician in 2024

16,583 Medicare Part D claims for 977 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 75 claims were for opioids.

  1. William Buckley16,583
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate1,154 claims
  2. Rosuvastatin Calcium816 claims
  3. Lisinopril735 claims
  4. Levothyroxine Sodium615 claims
  5. Atorvastatin Calcium579 claims
  6. Losartan Potassium508 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 MIPS final score for 2023 (Medicare payment program): 86.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costout of 100 · 30%71.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,288.39

106 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.

  1. William Buckley$2,288.39
  2. Specialty average$1,303.06

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

  1. Privia Medical Group Indiana LLCElkhart, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William P. Buckley among 2,109 internal medicine physician records in Indiana

William P. Buckley, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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, 87% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1992 · median 2005 among the 1,448 with a school on file
  • Record last updated2010 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 internal medicine physician records list a practice address in Elkhart

They are 25 of the 1,526 NPPES records with a practice address in Elkhart, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Pavan Ahuja, M.D.Elkhart, IN 465141578566675
  2. Manisha Deb Roy, M.D.Elkhart, IN 465141972731909
  3. Minnie Enriquez, M.D.Elkhart, IN 465141225031164
  4. Steven Hanberg, MDElkhart, IN 465141821180381
  5. Carolyn Hudson, M.D.Elkhart, IN 465141669475471
  6. Rabia Mohammad, M.D.Elkhart, IN 465141851753040
  7. Victor NwankwoElkhart, IN 465141609397645
  8. Swati Pandey, MBBSElkhart, IN 465141497067649

Common questions

What is William P. Buckley, M.D.'s NPI number?

William P. Buckley, M.D.'s National Provider Identifier (NPI) is 1922001098, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William P. Buckley, M.D. located?

The NPPES record lists a practice address at 303 S Nappanee St, Elkhart, IN, 46514. Phone: (574) 296-3314. Providers update this record themselves, so call before visiting.

How can I verify William P. Buckley, M.D.'s license?

NPPES lists Indiana license number 01044742A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William P. Buckley, M.D. prescribe under Medicare Part D?

In 2024, William P. Buckley, M.D. had 16,583 Medicare Part D claims for 977 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is William P. Buckley, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.8 of 100. 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.