NPPES file of Aug 9, 2026

Marshall Gillette, M.D.

Hospice and Palliative Medicine (Family Medicine) Physician · Long Beach, CA

Marshall Gillette, M.D. is a hospice and palliative medicine (family medicine) physician with a practice address in Long Beach, California, and NPI 1922494897, issued on Apr 8, 2015. Check the license (California A145430, 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
1922494897
Name
Marshall Gillette
Credential
M.D.
Primary taxonomy
Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
License number
A145430 CA
Self-reported in NPPES; status is on the state search
Practice location
2801 Atlantic Avenue, Long Beach, CA 90806
Phone
(310) 319-4700
Enumerated
Apr 8, 2015
Record last updated
May 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190809001603); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2015
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 2801 Atlantic Avenue

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

  1. Anna BaumgartnerClinical Psychologist1114060241
  2. Be Huynh, M.D.Anatomic Pathology & Clinical Pathology Physician1013146059
  3. Amir Iranmahboob, M.D.Diagnostic Radiology Physician1992063358
  4. Sireesha Iruvuri, M.D.Diagnostic Radiology Physician1225245590
  5. Chasen Kubota, NPAcute Care Nurse Practitioner1952831687
  6. Carlajean Lindenberg, NPNurse Practitioner1679932990

Verify Marshall Gillette in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A145430
    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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93% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024

76 Medicare Part D claims for 24 beneficiaries, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Marshall Gillette76
  2. Specialty average1,129

Most prescribed

  1. Morphine Sulfate Er13 claims
  2. Gabapentin12 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): 76.7 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.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%55.1
  3. Promoting interoperabilityout of 100 · 25%78.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Memorialcare Medical FoundationLong Beach, CA

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

Marshall Gillette among 128 hospice and palliative medicine (family medicine) physician records in California

Marshall Gillette, M.D. is one of 128 hospice and palliative medicine (family medicine) physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 66% of them.

  • NPI issued2015 · 66% of these records are older, 28% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2015 · median 2009 among the 80 with a school on file
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Family Medicine) Physician providers in California

There are 128 hospice and palliative medicine (family medicine) physician records in California.

The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes

  1. Betty Fletcher, MDLong Beach, CA 908021760684716
  2. Nathan Hashimoto, M.D.Long Beach, CA 908151316998248
  3. Nina Sabet-Peyman, M.D.San Pedro, CA 907321285075705
  4. Jee Won CheongDuarte, CA 910101871022921
  5. Stefanie Mooney, M.D.Duarte, CA 910101518225523
  6. Finly Zachariah, M.D.Duarte, CA 910101033368642
  7. Nicholas Jauregui, M.DSierra Madre, CA 910241205869807
  8. Norr Santz, M.D.Pasadena, CA 911051154731255

Common questions

What is Marshall Gillette, M.D.'s NPI number?

Marshall Gillette, M.D.'s National Provider Identifier (NPI) is 1922494897, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Marshall Gillette, M.D. located?

The NPPES record lists a practice address at 2801 Atlantic Avenue, Long Beach, CA, 90806. Phone: (310) 319-4700. Providers update this record themselves, so call before visiting.

How can I verify Marshall Gillette, M.D.'s license?

NPPES lists California license number A145430, 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 Marshall Gillette, M.D. prescribe under Medicare Part D?

In 2024, Marshall Gillette, M.D. had 76 Medicare Part D claims for 24 beneficiaries; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. Part D covers Medicare prescriptions only.

What is Marshall Gillette, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.7 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.