Estefania Maurer Spakowsky
Internal Medicine Physician · Downey, CA
Estefania Maurer Spakowsky is an internal medicine physician with a practice address in Downey, California, and NPI 1073910543, issued on Nov 29, 2014. Check the license (California A155738, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Estefania Maurer Spakowsky
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A155738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12130 Paramount Blvd, Downey, CA 90242
- Phone
- (562) 923-9414
- Enumerated
- Nov 29, 2014
- Record last updated
- May 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 12130 Paramount Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karina AlvarengaLicensed Vocational Nurse1255855441
- Sofia AlvarezCase Manager/Care Coordinator1770824914
- April BarrazaLicensed Vocational Nurse1669879805
- Orlando Cabrera, MSWSocial Worker1952777641
- Lizzette CalvilloCase Manager/Care Coordinator1508358706
- Erick CamargoSocial Worker1629319876
Verify Estefania Maurer Spakowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A155738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
806 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Farxiga36 claims
- Losartan Potassium36 claims
- Amlodipine Besylate32 claims
- Atorvastatin Calcium32 claims
- Albuterol Sulfate Hfa24 claims
- Metformin Hcl23 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.
Estefania Maurer Spakowsky among 17,696 internal medicine physician records in California
Estefania Maurer Spakowsky 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2019 · 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).
114 internal medicine physician records list a practice address in Downey
They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Downey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sohail Afra, M.D.Downey, CA 902421023125176
- Ron Chai, M.D.Downey, CA 902421447361316
- Ronald Collins, M.D.Downey, CA 902421235176181
- Rashmi Desai, M.D.Downey, CA 902421801990247
- Basuki Gunawan, M.D.Downey, CA 902421346352473
- Danese Hayes, M.D.Downey, CA 902421689786733
- Goethe Hsu, M.D.Downey, CA 902421386656726
- Diana Hsu, M.D.Downey, CA 902421720090137
Common questions
What is Estefania Maurer Spakowsky's NPI number?
Estefania Maurer Spakowsky's National Provider Identifier (NPI) is 1073910543, issued on Nov 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Estefania Maurer Spakowsky located?
The NPPES record lists a practice address at 12130 Paramount Blvd, Downey, CA, 90242. Phone: (562) 923-9414. Providers update this record themselves, so call before visiting.
How can I verify Estefania Maurer Spakowsky's license?
NPPES lists California license number A155738, 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 Estefania Maurer Spakowsky prescribe under Medicare Part D?
In 2024, Estefania Maurer Spakowsky had 806 Medicare Part D claims for 29 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.