Grzegorz Majcher, M.D.
Specialist · Torrance, CA
Grzegorz Majcher, M.D. is a specialist with a practice address in Torrance, California, and NPI 1003849233, issued on Jul 9, 2006. Check the license (California A54351, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grzegorz Majcher
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A54351 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3858 W Carson St, Torrance, CA 90503
- Phone
- (310) 316-1015
- Enumerated
- Jul 9, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 316-1059
- Medicaid ID
- 00A543510 CA
- Medicare enrollment
- Enrolled (PECOS I20040429001400); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3858 W Carson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl Bruce, ODOptometrist1457478638
- Pamela Nelson, PTPhysical Therapist1356583405
- Patssy QuinteroSpeech-Language Assistant1548047749
- Jennifer Stahl, D.P.T.Physical Therapist1013013168
- Deonza Thymes, M.D.Emergency Medicine Physician1336175611
Verify Grzegorz Majcher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A54351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average specialist in 2024
2,224 Medicare Part D claims for 194 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 20 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium122 claims
- Atorvastatin Calcium90 claims
- Doxazosin Mesylate87 claims
- Furosemide86 claims
- Losartan Potassium77 claims
- Lisinopril67 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.
Grzegorz Majcher among 5,749 specialist records in California
Grzegorz Majcher, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1989 · median 1989 among the 1,075 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Torrance → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Roy Blumenstrauch, M.D.Torrance, CA 905031639175409
- Cynthia Bryant, M.DTorrance, CA 905031902988520
- Herbert BurackTorrance, CA 905031407883952
- Raj Dugel, M.D.Torrance, CA 905031013968312
- Michael Friedman, M.D.Torrance, CA 905031336338458
- William Kim, M.D.Torrance, CA 905031144228628
- Amber Kyle, M.D.Torrance, CA 905031326123233
- Anthony Leung, M.D.Torrance, CA 905031528066008
Common questions
What is Grzegorz Majcher, M.D.'s NPI number?
Grzegorz Majcher, M.D.'s National Provider Identifier (NPI) is 1003849233, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grzegorz Majcher, M.D. located?
The NPPES record lists a practice address at 3858 W Carson St, Torrance, CA, 90503. Phone: (310) 316-1015. Providers update this record themselves, so call before visiting.
How can I verify Grzegorz Majcher, M.D.'s license?
NPPES lists California license number A54351, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grzegorz Majcher, M.D. prescribe under Medicare Part D?
In 2024, Grzegorz Majcher, M.D. had 2,224 Medicare Part D claims for 194 beneficiaries; the average among specialist prescribers was 1,380. 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.