Registry data as of Aug 27, 2026

Samantha Mongar, DO

Critical Care Medicine (Internal Medicine) Physician · Lake Isabella, CA

Samantha Mongar, DO is a critical care medicine (internal medicine) physician with a practice address in Lake Isabella, California, and NPI 1235115015, issued on Dec 22, 2005. Check the license (California 20A10029, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235115015
Name
Samantha Mongar
Credential
DO
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
20A10029 CA
Self-reported in NPPES; status is on the state search
Practice location
4300 Birch Street, Lake Isabella, CA 93240
Phone
(760) 379-1791
Enumerated
Dec 22, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4300 Birch Street

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

  1. Linda Block, MFTMarriage & Family Therapist1992971188
  2. Jack Nadler, M.D.Family Medicine Physician1164511051

Verify Samantha Mongar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A10029
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5.0 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024

5,472 Medicare Part D claims for 433 beneficiaries, against an average of 1,103 among the 4,049 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 485 claims were for opioids.

  1. Samantha Mongar5,472
  2. Specialty average1,103

Most prescribed

  1. Atorvastatin Calcium321 claims
  2. Lisinopril282 claims
  3. Levothyroxine Sodium241 claims
  4. Amlodipine Besylate240 claims
  5. Hydrocodone-Acetaminophen237 claims
  6. Losartan Potassium233 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.

One hospital or facility affiliation

  1. Kern Valley Healthcare DistrictLake Isabella, CA · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 714 critical care medicine (internal medicine) physician records in California.

Other critical care medicine (internal medicine) physician records in California

  1. Loui Abdelghani, M.DStockton, CA1912161787
  2. Moustapha Abidali, DOGlendora, CA1669810123
  3. Mohammed Abo Khamis, M.D.Modesto, CA1508098419
  4. Henry Abrons, M.D.Berkeley, CA1821001470
  5. Noman Absar, MDVallejo, CA1205908951
  6. Allen Adams, M.D.Los Angeles, CA1700862794
  7. Jacob Adams, DONovato, CA1558595090
  8. Jason Adams, M.D.Sacramento, CA1134367568
  9. Olufemi Adenuga, M.D, MPHBaldwin Park, CA1134389125
  10. Ajay Adial, M.DSan Jacinto, CA1568726594

Common questions

What is Samantha Mongar, DO's NPI number?

Samantha Mongar, DO's National Provider Identifier (NPI) is 1235115015, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Samantha Mongar, DO located?

The NPPES record lists a practice address at 4300 Birch Street, Lake Isabella, CA, 93240. Phone: (760) 379-1791. Providers update this record themselves, so call before visiting.

How can I verify Samantha Mongar, DO's license?

NPPES lists California license number 20A10029, 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 Samantha Mongar, DO prescribe under Medicare Part D?

In 2024, Samantha Mongar, DO had 5,472 Medicare Part D claims for 433 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 1,103. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.