NPPES file of Aug 9, 2026

Peter Allen Linfoot, PH.D., M.D.

Endocrinology, Diabetes & Metabolism Physician · Long Beach, CA

Peter Allen Linfoot, PH.D., M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Long Beach, California, and NPI 1396777264, issued on Jul 7, 2006. Check the license (California G071944, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396777264
Name
Peter Allen Linfoot
Credential
PH.D., M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
G071944 CA
Self-reported in NPPES; status is on the state search
Practice location
2699 Atlantic Ave, Long Beach, CA 90806
Phone
(562) 426-3333
Enumerated
Jul 7, 2006
Record last updated
Dec 30, 2025
Fax
(562) 424-0837
Medicare enrollment
Enrolled (PECOS I20040506001717); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1990
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 2699 Atlantic Ave

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

  1. Joilyn AndersonFamily Nurse Practitioner1114557170
  2. Mark Asbill, M.D.Internal Medicine Physician1558310896
  3. Renuka Boyapalli, MDEndocrinology, Diabetes & Metabolism Physician1558399311
  4. Lauren Choi, M.D.Endocrinology, Diabetes & Metabolism Physician1699736132
  5. Jeffrey Chwa, DORheumatology Physician1285989236
  6. Anthony Chyou, M. D.Interventional Cardiology Physician1457592073

Verify Peter Allen Linfoot in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G071944
    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

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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57% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

4,116 Medicare Part D claims for 479 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Peter Linfoot4,116
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium593 claims
  2. Ozempic217 claims
  3. Metformin Hcl Er176 claims
  4. Liothyronine Sodium158 claims
  5. Trulicity130 claims
  6. Lantus Solostar120 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: $616.08

26 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Linfoot$616.08
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Healthcare Partners Affiliates Medical GroupAnaheim, CA
  2. Privia Medical Group Washington PLLCWalla Walla, WA

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

Peter Allen Linfoot among 1,131 endocrinology, diabetes & metabolism physician records in California

Peter Allen Linfoot, PH.D., M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1990 · median 2003 among the 779 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Berkson, MDLong Beach, CA 908061699793885
  2. Renuka Boyapalli, MDLong Beach, CA 908061558399311
  3. Lauren Choi, M.D.Long Beach, CA 908061699736132
  4. Matthew Clarke, MDLong Beach, CA 908061528315835
  5. Ricky Mac, MDLong Beach, CA 908061578581666
  6. Yasaman Mohtasebi, M.D.Long Beach, CA 908061962687889
  7. Joseph Molina, M.D.Long Beach, CA 908061194861484
  8. Kristen Nguyen, M.D.Long Beach, CA 908061669884821

Common questions

What is Peter Allen Linfoot, PH.D., M.D.'s NPI number?

Peter Allen Linfoot, PH.D., M.D.'s National Provider Identifier (NPI) is 1396777264, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Allen Linfoot, PH.D., M.D. located?

The NPPES record lists a practice address at 2699 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 426-3333. Providers update this record themselves, so call before visiting.

How can I verify Peter Allen Linfoot, PH.D., M.D.'s license?

NPPES lists California license number G071944, 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 Peter Allen Linfoot, PH.D., M.D. prescribe under Medicare Part D?

In 2024, Peter Allen Linfoot, PH.D., M.D. had 4,116 Medicare Part D claims for 479 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.