NPPES file of Aug 9, 2026

Irma Warnecke, M.D.

Family Medicine Physician · Los Angeles, CA

Irma Warnecke, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1679524292, issued on May 16, 2006. Check the license (California A55445, 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
1679524292
Name
Irma Warnecke
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A55445 CA
Self-reported in NPPES; status is on the state search
Practice location
1701 E Cesar Chavez Ave, Los Angeles, CA 90033
Phone
(323) 226-1100
Enumerated
May 16, 2006
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(323) 226-1101
Medicaid ID
00A554450 CA
Medicare enrollment
Enrolled (PECOS I20090206000053); accepts Medicare assignment
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 family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1701 E Cesar Chavez Ave

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

  1. Edith ArellanoMarriage & Family Therapist1063950756
  2. Mayra Aroche, PA-CMedical Physician Assistant1326171273
  3. Mauricio Bueno, M.D.Family Medicine Physician1750332029
  4. Edward Castro, M.D.Family Medicine Physician1750330817
  5. Maria Cifuentes-Butler, M.D.Family Medicine Physician1871604496
  6. Claire Koga, M.D.Family Medicine Physician1891746665

Verify Irma Warnecke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55445    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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65% more Medicare Part D claims than the average family medicine physician in 2024

5,838 Medicare Part D claims for 565 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 62 claims were for opioids.

  1. Irma Warnecke5,838
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium794 claims
  2. Lisinopril391 claims
  3. Amlodipine Besylate325 claims
  4. Metformin Hcl319 claims
  5. Losartan Potassium285 claims
  6. Rosuvastatin Calcium233 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 one group practice

  1. Southern California Permanente Medical GroupLos Angeles, CA

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

Irma Warnecke among 17,133 family medicine physician records in California

Irma Warnecke, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1984 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

829 family medicine physician records list a practice address in Los Angeles

They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Mauricio Bueno, M.D.Los Angeles, CA 900331750332029
  2. Edward Castro, M.D.Los Angeles, CA 900331750330817
  3. Maria Cifuentes-Butler, M.D.Los Angeles, CA 900331871604496
  4. Claire Koga, M.D.Los Angeles, CA 900331891746665
  5. Robert Krochmal, M.D.Los Angeles, CA 900331144278938
  6. Michael Lee, MD,MPHLos Angeles, CA 900331336252683
  7. Daniel Maldonado, M.D.Los Angeles, CA 900331851344949
  8. Maureen Mavrinac, M.D.Los Angeles, CA 900331427000850

Common questions

What is Irma Warnecke, M.D.'s NPI number?

Irma Warnecke, M.D.'s National Provider Identifier (NPI) is 1679524292, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Irma Warnecke, M.D. located?

The NPPES record lists a practice address at 1701 E Cesar Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 226-1100. Providers update this record themselves, so call before visiting.

How can I verify Irma Warnecke, M.D.'s license?

NPPES lists California license number A55445, 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 Irma Warnecke, M.D. prescribe under Medicare Part D?

In 2024, Irma Warnecke, M.D. had 5,838 Medicare Part D claims for 565 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.