NPPES file of Aug 9, 2026

Sarah Gertler Schaaf, M.D.

Emergency Medicine Physician · San Francisco, CA

Sarah Gertler Schaaf, M.D. is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1629303706, issued on Oct 7, 2009. Check the license (California 1016603, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629303706
Name
Sarah Gertler Schaaf
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
1016603 CA
Self-reported in NPPES; status is on the state search
Practice location
55 2ND St, San Francisco, CA 94105
Phone
(415) 600-6990
Enumerated
Oct 7, 2009
Record last updated
Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 369-1243
Medicare enrollment
Enrolled (PECOS I20130307000249); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2009
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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Verify Sarah Gertler Schaaf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 1016603
    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

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72% fewer Medicare Part D claims than the average emergency medicine physician in 2024

64 Medicare Part D claims for 56 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Sarah Schaaf64
  2. Specialty average226

Most prescribed

  1. Cephalexin14 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.

Bills Medicare through 2 group practices

  1. San Francisco Emergency Medical AssociatesSan Francisco, CA
  2. Sutter Bay Medical FoundationSan Francisco, CA

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

Sarah Gertler Schaaf among 7,751 emergency medicine physician records in California

Sarah Gertler Schaaf, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2011 among the 4,560 with a school on file
  • Record last updated2019 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Steven Groke, MDSan Francisco, CA 941051255629994
  2. Usha Periyanayagam, M.D.San Francisco, CA 941051346478385
  3. Elizabeth Barreras-Rivest, MDSan Francisco, CA 941071245729086
  4. David Dallafior, MDSan Francisco, CA 941031831166651
  5. Steven Kaminski, MDSan Francisco, CA 941071386692820
  6. Jason Koob, M.D.San Francisco, CA 941071093943821
  7. Frederick Pitts, MDSan Francisco, CA 941031013009679
  8. Stacie Solt, M.D.San Francisco, CA 941031518194562

Common questions

What is Sarah Gertler Schaaf, M.D.'s NPI number?

Sarah Gertler Schaaf, M.D.'s National Provider Identifier (NPI) is 1629303706, issued on Oct 7, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Gertler Schaaf, M.D. located?

The NPPES record lists a practice address at 55 2ND St, San Francisco, CA, 94105. Phone: (415) 600-6990. Providers update this record themselves, so call before visiting.

How can I verify Sarah Gertler Schaaf, M.D.'s license?

NPPES lists California license number 1016603, 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 Sarah Gertler Schaaf, M.D. prescribe under Medicare Part D?

In 2024, Sarah Gertler Schaaf, M.D. had 64 Medicare Part D claims for 56 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.