Lauren Valerie Sylwanowicz, M.D.
Emergency Medicine Physician · Long Beach, CA
Lauren Valerie Sylwanowicz, M.D. is an emergency medicine physician with a practice address in Long Beach, California, and NPI 1063874436, issued on Mar 24, 2016. Check the license (California A151682, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lauren Valerie Sylwanowicz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A151682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1050 Linden Ave, Long Beach, CA 90813
- Phone
- (562) 491-9000
- Enumerated
- Mar 24, 2016
- Record last updated
- Mar 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191115001307); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1050 Linden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kasra Afzali, MDStudent in an Organized Health Care Education/Training Program1154070811
- Thulfiqar Aljashamy, MDStudent in an Organized Health Care Education/Training Program1538746573
- Christopher Allahverdian, MDInternal Medicine Physician1992382949
- Alexis Amonic, MDInternal Medicine Physician1427686476
- Sten Andersen, MDStudent in an Organized Health Care Education/Training Program1104575844
Verify Lauren Valerie Sylwanowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A151682Check 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 emergency medicine physician in 2024
198 Medicare Part D claims for 109 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 13 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa22 claims
- Prednisone21 claims
- Cephalexin20 claims
- Ondansetron Hcl12 claims
- Ibuprofen11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Valerie Sylwanowicz among 7,751 emergency medicine physician records in California
Lauren Valerie Sylwanowicz, M.D. is one of 7,751 emergency 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 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2011 among the 4,560 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Long Beach → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sripha Chan, MDLong Beach, CA 908131821298464
- Paarul Chandra, M.D.Long Beach, CA 908131710299060
- Alex Doo, M.D.Long Beach, CA 908131144602004
- Yelena Gelman, D.O.Long Beach, CA 908131962636886
- Mary Gendy, M.D.Long Beach, CA 908131134383839
- Barry Heller, M.D.Long Beach, CA 908131841233772
- Daniel Houseman, M.D.Long Beach, CA 908131942464771
- George Knull, M.D.Long Beach, CA 908131073548764
Common questions
What is Lauren Valerie Sylwanowicz, M.D.'s NPI number?
Lauren Valerie Sylwanowicz, M.D.'s National Provider Identifier (NPI) is 1063874436, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Valerie Sylwanowicz, M.D. located?
The NPPES record lists a practice address at 1050 Linden Ave, Long Beach, CA, 90813. Phone: (562) 491-9000. Providers update this record themselves, so call before visiting.
How can I verify Lauren Valerie Sylwanowicz, M.D.'s license?
NPPES lists California license number A151682, 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 Lauren Valerie Sylwanowicz, M.D. prescribe under Medicare Part D?
In 2024, Lauren Valerie Sylwanowicz, M.D. had 198 Medicare Part D claims for 109 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Lauren Valerie Sylwanowicz, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.