NPPES file of Aug 9, 2026

Sylvia Marx, P.A-C

Physician Assistant · Folsom, CA

Sylvia Marx, P.A-C is a physician assistant with a practice address in Folsom, California, and NPI 1841245321, issued on May 23, 2006. Check the license (California PA15836, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841245321
Name
Sylvia Marx
Credential
P.A-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA15836 CA
Self-reported in NPPES; status is on the state search
Practice location
1650 Creekside Dr, Folsom, CA 95630
Phone
(916) 983-7470
Enumerated
May 23, 2006
Record last updated
Mar 7, 2013 (not updated in 13 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1650 Creekside Dr

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

  1. Timothy Adams, M.D.Anesthesiology Physician1477569556
  2. Murali Adusumalli, M.D.Hospitalist Physician1952387953
  3. Jeffrey Anderson, M.D.Anesthesiology Physician1639185630
  4. Kathleen Baker, D.O.Emergency Medicine Physician1245442839
  5. Tessa Batchelor, LCSWClinical Social Worker1528848546
  6. Amber Bender, P.A.Physician Assistant1780947572

Verify Sylvia Marx in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA15836
    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
Find 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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The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 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.

  1. Qualityout of 100 · 30% of the final score77.4
  2. Costout of 100 · 30%62.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Sylvia Marx among 14,451 physician assistant records in California

Sylvia Marx, P.A-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2013 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 physician assistant records list a practice address in Folsom

They are 43 of the 1,811 NPPES records with a practice address in Folsom, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Audrey Archila, PA-CFolsom, CA 956301093021008
  2. Diane Asmuth, PA-CFolsom, CA 956301528335486
  3. Kelli Carver, PA-CFolsom, CA 956301245558923
  4. Danielle Delvo, PAFolsom, CA 956301578603460
  5. Michael Dennis, PA-CFolsom, CA 956301356505820
  6. Anastasia Dertlieva-Popova, PAFolsom, CA 956301891003943
  7. Felix Emond, P.A.Folsom, CA 956301720048903
  8. Emmanuel Jonson, P.A.-CFolsom, CA 956301386898591

Common questions

What is Sylvia Marx, P.A-C's NPI number?

Sylvia Marx, P.A-C's National Provider Identifier (NPI) is 1841245321, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sylvia Marx, P.A-C located?

The NPPES record lists a practice address at 1650 Creekside Dr, Folsom, CA, 95630. Phone: (916) 983-7470. Providers update this record themselves, so call before visiting.

How can I verify Sylvia Marx, P.A-C's license?

NPPES lists California license number PA15836, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Sylvia Marx, P.A-C's MIPS final score?

The 2023 MIPS final score is 87.1 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.