NPPES file of Aug 9, 2026

Susan Elizabeth Schaefer, MD

Obstetrics & Gynecology Physician · Santa Cruz, CA

Susan Elizabeth Schaefer, MD is an obstetrics & gynecology physician with a practice address in Santa Cruz, California, and NPI 1679553903, issued on Jan 20, 2006. Check the license (California G57645, 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
1679553903
Name
Susan Elizabeth Schaefer
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G57645 CA
Self-reported in NPPES; status is on the state search
Practice location
2907 Chanticleer Ave, Santa Cruz, CA 95065
Phone
(831) 477-2375
Enumerated
Jan 20, 2006
Record last updated
Feb 10, 2023
Medicare enrollment
Enrolled (PECOS I20080717000428); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1984
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 2907 Chanticleer Ave

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

  1. Melissa Adrouny, M.D.Obstetrics & Gynecology Physician1407112188
  2. Anabel Albano, CNMAdvanced Practice Midwife1336335611
  3. Kelli Beingesser, MDObstetrics & Gynecology Physician1730144528
  4. Tamara Belkin, CNMAdvanced Practice Midwife1871612853
  5. Karl Christoffersen, MDOrthopaedic Surgery Physician1407835556
  6. Adwoa Christy, MDObstetrics & Gynecology Physician1225017379

Verify Susan Elizabeth Schaefer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G57645
    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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89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

18 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Susan Schaefer18
  2. Specialty average165

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.

Industry payments in 2024: $25.02

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Susan Schaefer$25.02
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Cruz, CA

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

Susan Elizabeth Schaefer among 5,088 obstetrics & gynecology physician records in California

Susan Elizabeth Schaefer, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1984 · median 2004 among the 2,700 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kristin Ayer, CNMSanta Cruz, CA 950651265402093
  2. Kelli Beingesser, MDSanta Cruz, CA 950651730144528
  3. Adwoa Christy, MDSanta Cruz, CA 950651225017379
  4. Janna Doherty, M.D.Santa Cruz, CA 950651790898823
  5. Angela Lawson, MDSanta Cruz, CA 950651386624989
  6. Kimberly Moreland, MDSanta Cruz, CA 950651871572008
  7. Nilda Moreno-Ruiz, MDSanta Cruz, CA 950651619950953
  8. Marsha Muir, M.D.Santa Cruz, CA 950651740396365

Common questions

What is Susan Elizabeth Schaefer, MD's NPI number?

Susan Elizabeth Schaefer, MD's National Provider Identifier (NPI) is 1679553903, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Elizabeth Schaefer, MD located?

The NPPES record lists a practice address at 2907 Chanticleer Ave, Santa Cruz, CA, 95065. Phone: (831) 477-2375. Providers update this record themselves, so call before visiting.

How can I verify Susan Elizabeth Schaefer, MD's license?

NPPES lists California license number G57645, 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 Susan Elizabeth Schaefer, MD prescribe under Medicare Part D?

In 2024, Susan Elizabeth Schaefer, MD had 18 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.