NPPES file of Aug 9, 2026

Joshua Lo, DO

Sleep Medicine (Internal Medicine) Physician · San Carlos, CA

Joshua Lo, DO is a sleep medicine (internal medicine) physician with a practice address in San Carlos, California, and NPI 1295313880, issued on Apr 1, 2021. Check the license (California 20A22671, 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
1295313880
Name
Joshua Lo
Credential
DO
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
20A22671 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Industrial RD, San Carlos, CA 94070
Phone
(650) 632-0820
Enumerated
Apr 1, 2021
Record last updated
Oct 1, 2025
Medicare enrollment
Enrolled (PECOS I20250930004399); accepts Medicare assignment
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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8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →

Also registered at 301 Industrial RD

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

  1. Maria Katrina Abad, AGPCNP-BCNurse Practitioner1306394952
  2. Maryam Adeel, M.D.Family Medicine Physician1285163998
  3. Jennifer Akazawa, MDFamily Medicine Physician1457971772
  4. Sarah Alamillo, PA-CPhysician Assistant1306349352
  5. Judith Alderman, N.P.Nurse Practitioner1407225121
  6. Omar Aljundi, NPNurse Practitioner1811464811

Verify Joshua Lo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A22671    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 sleep medicine (internal medicine) physician in 2024

43 Medicare Part D claims for 17 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Joshua Lo43
  2. Specialty average585

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: $138.20

1 payment: food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Lo$138.20
  2. Specialty average$3,724.37

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. Sutter Bay Medical FoundationSan Mateo, CA

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

Joshua Lo among 129 sleep medicine (internal medicine) physician records in California

Joshua Lo, DO is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2021 · median 2006 among the 106 with a school on file
  • Record last updated2025 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in California

There are 129 sleep medicine (internal medicine) physician records in California.

All 129 in California → Every provider in San Carlos → Sleep Medicine (Internal Medicine) Physician nationwide →

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Christine Brennan, MDRedwood City, CA 940631629657473
  2. Luis Gasca, MDRedwood City, CA 940631740920784
  3. Andrea Nguyen, MDRedwood City, CA 940631417698929
  4. Mahesh Shetty, MDSunnyvale, CA 940851295954121
  5. Robert Ang, MDSunnyvale, CA 940871225219025
  6. Vadim Kagramanov, MDSunnyvale, CA 940871396792552
  7. Fan Mo, DOSunnyvale, CA 940871083111405
  8. Kin Yuen, MDMountain View, CA 940401881759660

Common questions

What is Joshua Lo, DO's NPI number?

Joshua Lo, DO's National Provider Identifier (NPI) is 1295313880, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Lo, DO located?

The NPPES record lists a practice address at 301 Industrial RD, San Carlos, CA, 94070. Phone: (650) 632-0820. Providers update this record themselves, so call before visiting.

How can I verify Joshua Lo, DO's license?

NPPES lists California license number 20A22671, 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 Joshua Lo, DO prescribe under Medicare Part D?

In 2024, Joshua Lo, DO had 43 Medicare Part D claims for 17 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.