NPPES file of Aug 9, 2026

James Anthony Louisell, MD

Pulmonary Disease Physician · Santa Cruz, CA

James Anthony Louisell, MD is a pulmonary disease physician with a practice address in Santa Cruz, California, and NPI 1669735916, issued on Jun 21, 2012. Check the license (California A124140, as entered in NPPES) on the Medical Board of California; 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
1669735916
Name
James Anthony Louisell
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
A124140 CA
MD182328 OR
Self-reported in NPPES; status is on the state search
Practice location
1595 Soquel Dr Ste 230, Santa Cruz, CA 95065
Phone
(831) 226-3225
Enumerated
Jun 21, 2012
Record last updated
Jul 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(831) 423-7579
Medicare enrollment
Enrolled (PECOS I20161122001272); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2011
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 1595 Soquel Dr Ste 230

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

  1. Cindy Dillard, NPAdult Health Nurse Practitioner1083085039
  2. Michael Ellison, MDPulmonary Disease Physician1861465932
  3. Paul Godin, MDSpecialist1972506632
  4. Laura Likar, MDPulmonary Disease Physician1649205733
  5. Andrea Ling, M.D.Pulmonary Disease Physician1699099192
  6. Tuong Vu, MDCritical Care Medicine (Internal Medicine) Physician1598721235

Verify James Anthony Louisell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124140
    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 California license search

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78% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

311 Medicare Part D claims for 60 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. James Louisell311
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta47 claims
  2. Breo Ellipta26 claims
  3. Montelukast Sodium26 claims
  4. Albuterol Sulfate Hfa23 claims
  5. Omeprazole18 claims
  6. Fluticasone-Salmeterol16 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): 96.5 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 score80.3
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationSanta Cruz, CA

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

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

Other pulmonary disease physician records in California

  1. Manoochehr Abadian Sharifabad, M.D.Fountain Valley, CA1164655817
  2. Mahmoud Abdallah, DOGarden Grove, CA1871014027
  3. Mohamad Abdelfattah, MDFullerton, CA1134539711
  4. Loui Abdelghani, M.DStockton, CA1912161787
  5. Zainab Abdulsada, MBCHBSacramento, CA1144858333
  6. John Abe, MDTorrance, CA1578542569
  7. Moustapha Abidali, DOGlendora, CA1669810123
  8. Mohammed Abo Khamis, M.D.Modesto, CA1508098419
  9. Arin Aboulian, MDGlendale, CA1104038256
  10. Khader Abounasr, MDRancho Cucamonga, CA1780884015

Common questions

What is James Anthony Louisell, MD's NPI number?

James Anthony Louisell, MD's National Provider Identifier (NPI) is 1669735916, issued on Jun 21, 2012. An NPI identifies a provider in billing; it is not a license.

Where is James Anthony Louisell, MD located?

The NPPES record lists a practice address at 1595 Soquel Dr Ste 230, Santa Cruz, CA, 95065. Phone: (831) 226-3225. Providers update this record themselves, so call before visiting.

How can I verify James Anthony Louisell, MD's license?

NPPES lists California license number A124140, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Anthony Louisell, MD prescribe under Medicare Part D?

In 2024, James Anthony Louisell, MD had 311 Medicare Part D claims for 60 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is James Anthony Louisell, MD's MIPS final score?

The 2023 MIPS final score is 96.5 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.