NPPES file of Aug 9, 2026

Emilia Hansson De Marchis, MD, MAS

Family Medicine Physician · San Francisco, CA

Emilia Hansson De Marchis, MD, MAS is a family medicine physician with a practice address in San Francisco, California, and NPI 1962814327, issued on May 20, 2014. Check the license (California A138207, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962814327
Name
Emilia Hansson De Marchis
Credential
MD, MAS
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A138207 CA
Self-reported in NPPES; status is on the state search
Practice location
1569 Sloat Blvd Ste 333, San Francisco, CA 94132
Phone
(415) 353-9339
Enumerated
May 20, 2014
Record last updated
Dec 17, 2022
Medicare enrollment
Enrolled (PECOS I20170614002166); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2014
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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Also registered at 1569 Sloat Blvd Ste 333

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

  1. Julie Brichard, M.DFamily Medicine Physician1528440237
  2. Erica Chan, MDStudent in an Organized Health Care Education/Training Program1538002738
  3. Bridget Foley, DOAddiction Medicine (Family Medicine) Physician1528413861
  4. Martha French, FNPFamily Nurse Practitioner1285980508
  5. Ruth GerstleStudent in an Organized Health Care Education/Training Program1255274379
  6. Shwesha Govil, DOAdult Medicine Physician1740719228

Verify Emilia Hansson De Marchis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A138207
    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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59% fewer Medicare Part D claims than the average family medicine physician in 2024

1,440 Medicare Part D claims for 148 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Emilia De Marchis1,440
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium120 claims
  2. Amlodipine Besylate89 claims
  3. Losartan Potassium73 claims
  4. Levothyroxine Sodium62 claims
  5. Metformin Hcl42 claims
  6. Lisinopril34 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): 74.5 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  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).

Bills Medicare through one group practice

  1. City And County OF San FranciscoSan Francisco, CA

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

Emilia Hansson De Marchis among 17,133 family medicine physician records in California

Emilia Hansson De Marchis, MD, MAS 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2014 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 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).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Julie Brichard, M.DSan Francisco, CA 941321528440237
  2. Clarrissa Kripke, MDSan Francisco, CA 941321417905209
  3. Melody Lee, MDSan Francisco, CA 941321710017298
  4. Tenessa Mackenzie, MDSan Francisco, CA 941321508090887
  5. Anthony Mrgudich, M.D.San Francisco, CA 941321124358635
  6. Mukund Premkumar, MDSan Francisco, CA 941321477940997
  7. Teresa Rebeiro, MDSan Francisco, CA 941321700855400
  8. Diane Rittenhouse, M.D.San Francisco, CA 941321306893409

Common questions

What is Emilia Hansson De Marchis, MD, MAS's NPI number?

Emilia Hansson De Marchis, MD, MAS's National Provider Identifier (NPI) is 1962814327, issued on May 20, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Emilia Hansson De Marchis, MD, MAS located?

The NPPES record lists a practice address at 1569 Sloat Blvd Ste 333, San Francisco, CA, 94132. Phone: (415) 353-9339. Providers update this record themselves, so call before visiting.

How can I verify Emilia Hansson De Marchis, MD, MAS's license?

NPPES lists California license number A138207, 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 Emilia Hansson De Marchis, MD, MAS prescribe under Medicare Part D?

In 2024, Emilia Hansson De Marchis, MD, MAS had 1,440 Medicare Part D claims for 148 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Emilia Hansson De Marchis, MD, MAS's MIPS final score?

The 2023 MIPS final score is 74.5 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.