NPPES file of Aug 9, 2026

Joshua Factor Lewis, M.D.

Internal Medicine Physician · West Hollywood, CA

Joshua Factor Lewis, M.D. is an internal medicine physician with a practice address in West Hollywood, California, and NPI 1306113360, issued on Nov 18, 2011. Check the license (California A127535, 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
1306113360
Name
Joshua Factor Lewis
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A127535 CA
Self-reported in NPPES; status is on the state search
Practice location
8733 Beverly Blvd Ste 408B, West Hollywood, CA 90048
Phone
(310) 295-2255
Enumerated
Nov 18, 2011
Record last updated
Mar 31, 2026
Medicare enrollment
Enrolled (PECOS I20240620004193); 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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Verify Joshua Factor Lewis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A127535
    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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70% fewer Medicare Part D claims than the average internal medicine physician in 2024

952 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Joshua Lewis952
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium75 claims
  2. Atorvastatin Calcium63 claims
  3. Gabapentin46 claims
  4. Amlodipine Besylate43 claims
  5. Metoprolol Succinate34 claims
  6. Mirtazapine30 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: $287.17

2 payments; by number, the most common kind was food and beverage; the largest payer was Okami Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Lewis$287.17
  2. Specialty average$1,303.06

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

Bills Medicare through 3 group practices

  1. Jfl Medical IncWest Hollywood, CA
  2. Kansal IncSanta Monica, CA
  3. Mypreop Medical Group IncDenver, CO

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

Joshua Factor Lewis among 17,696 internal medicine physician records in California

Joshua Factor Lewis, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

136 internal medicine physician records list a practice address in West Hollywood

They are 136 of the 2,619 NPPES records with a practice address in West Hollywood, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. George Chaux, M.D.Los Angeles, CA 900481619938941
  2. Anish Desai, M.D.Los Angeles, CA 900481518928886
  3. Amanda Ewing, M.D.West Hollywood, CA 900481982661922
  4. Farshid Fararooy, M.D.Los Angeles, CA 900481922045939
  5. Eleonora Fedonenko, M.D.Los Angeles, CA 900481790721850
  6. Christina Harris, MDLos Angeles, CA 900481073553962
  7. Homayoon Khanlou, MDLos Angeles, CA 900481356335277
  8. Dorothy Lowe, M.D.Los Angeles, CA 900481275577835

Common questions

What is Joshua Factor Lewis, M.D.'s NPI number?

Joshua Factor Lewis, M.D.'s National Provider Identifier (NPI) is 1306113360, issued on Nov 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Factor Lewis, M.D. located?

The NPPES record lists a practice address at 8733 Beverly Blvd Ste 408B, West Hollywood, CA, 90048. Phone: (310) 295-2255. Providers update this record themselves, so call before visiting.

How can I verify Joshua Factor Lewis, M.D.'s license?

NPPES lists California license number A127535, 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 Factor Lewis, M.D. prescribe under Medicare Part D?

In 2024, Joshua Factor Lewis, M.D. had 952 Medicare Part D claims for 56 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.