NPPES file of Aug 9, 2026

James Lee Knepler, M.D.

Pulmonary Disease Physician · Tucson, AZ

James Lee Knepler, M.D. is a pulmonary disease physician with a practice address in Tucson, Arizona, and NPI 1336105311, issued on Apr 26, 2006. Check the license (Arizona 44597, as entered in NPPES) on the Arizona Medical Board; 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
1336105311
Name
James Lee Knepler
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
44597 AZ
35-069480 OH
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 626-6114
Enumerated
Apr 26, 2006
Record last updated
Apr 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid IDs
200346020 IN
64088032 KY
2509066 OH
Medicare enrollment
Enrolled (PECOS I20110721000012); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1994
Telehealth
Offers telehealth (CMS)
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 1501 N Campbell Ave

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

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify James Lee Knepler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 44597
    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 Arizona license search

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75% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

362 Medicare Part D claims for 53 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. James Knepler362
  2. Specialty average1,425

Most prescribed

  1. Azithromycin53 claims
  2. Trelegy Ellipta49 claims
  3. Prednisone44 claims
  4. Albuterol Sulfate Hfa42 claims
  5. Spiriva Respimat19 claims
  6. Advair Hfa13 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): 97.6 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. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.7
  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: $1,952.52

10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Knepler$1,952.52
  2. Specialty average$5,159.88

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. Banner-University Medical GroupTucson, AZ

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

James Lee Knepler among 285 pulmonary disease physician records in Arizona

James Lee Knepler, M.D. is one of 285 pulmonary disease physician records with a practice address in Arizona. 84% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 46% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1994 · median 1998 among the 202 with a school on file
  • Record last updated2014 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Arizona

There are 285 pulmonary disease physician records in Arizona.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Billie Bixby, M.D.Tucson, AZ 857241770801938
  2. John Bloom, MDTucson, AZ 857241659343390
  3. Sammy Campbell, MDTucson, AZ 857241023081288
  4. Ahmed Tammer El-Aini, M.D.Tucson, AZ 857241942407101
  5. Martha Gallegos, MDTucson, AZ 857241427686013
  6. Steven Knoper, MDTucson, AZ 857241427157718
  7. Kenneth Knox, M.D.Tucson, AZ 857241154386118
  8. Sooraj Kumar, MBBSTucson, AZ 857241255824363

Common questions

What is James Lee Knepler, M.D.'s NPI number?

James Lee Knepler, M.D.'s National Provider Identifier (NPI) is 1336105311, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Lee Knepler, M.D. located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 626-6114. Providers update this record themselves, so call before visiting.

How can I verify James Lee Knepler, M.D.'s license?

NPPES lists Arizona license number 44597, 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 Lee Knepler, M.D. prescribe under Medicare Part D?

In 2024, James Lee Knepler, M.D. had 362 Medicare Part D claims for 53 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is James Lee Knepler, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.6 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.