Janet Prokop Pregler, MD
Internal Medicine Physician · Los Angeles, CA
Janet Prokop Pregler, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1386664977, issued on Jul 19, 2006. Check the license (California G71571, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janet Prokop Pregler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G71571 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 206-6232
- Enumerated
- Jul 19, 2006
- Record last updated
- Oct 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (310) 794-2113
- Medicaid ID
- 00G71570 CA
- Medicare enrollment
- Enrolled (PECOS I20040210000384); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janet Prokop Pregler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,784 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium343 claims
- Amlodipine Besylate221 claims
- Levothyroxine Sodium135 claims
- Losartan Potassium82 claims
- Zolpidem Tartrate66 claims
- Gabapentin56 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.
Bills Medicare through 2 group practices
- The Regents OF The University OF CaliforniaLos Angeles, CA
- Venice Family ClinicSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet Prokop Pregler among 17,696 internal medicine physician records in California
Janet Prokop Pregler, MD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
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Common questions
What is Janet Prokop Pregler, MD's NPI number?
Janet Prokop Pregler, MD's National Provider Identifier (NPI) is 1386664977, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Prokop Pregler, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 206-6232. Providers update this record themselves, so call before visiting.
How can I verify Janet Prokop Pregler, MD's license?
NPPES lists California license number G71571, 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 Janet Prokop Pregler, MD prescribe under Medicare Part D?
In 2024, Janet Prokop Pregler, MD had 2,784 Medicare Part D claims for 251 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.