NPPES file of Aug 9, 2026

Maren Shapiro Eger, MD

Obstetrics & Gynecology Physician · San Francisco, CA

Maren Shapiro Eger, MD is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1811359730, issued on Mar 22, 2016. Check the license (California A168693, 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
1811359730
Name
Maren Shapiro Eger
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A168693 CA
Self-reported in NPPES; status is on the state search
Practice location
499 Illinois St, San Francisco, CA 94158
Phone
(415) 353-3071
Enumerated
Mar 22, 2016
Record last updated
Aug 2, 2021 (not updated in 5 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 499 Illinois St

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

  1. Zeynep Koc, MDObstetrics & Gynecology Physician1457844144
  2. Savanie Maithripala, MSC LCGCGenetic Counselor (M.S.)1326539529
  3. Evelyn Mok-Lin, M.D.Reproductive Endocrinology Physician1255470746
  4. Richard Jason Okamura, M.S.Genetic Counselor (M.S.)1861927816
  5. Bridget Rochios, CNM, WHNPWomen's Health Nurse Practitioner1043776453
  6. Katharine Seeger, NPWomen's Health Nurse Practitioner1750767620

Verify Maren Shapiro Eger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A168693
    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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Industry payments in 2024: $95.03

1 payment: food and beverage; the largest payer was Ferring Pharmaceuticals 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. Maren Shapiro Eger$95.03
  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.

Maren Shapiro Eger among 5,088 obstetrics & gynecology physician records in California

Maren Shapiro Eger, 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 2016, is newer than 85% of them.

  • NPI issued2016 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 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. Ryan Duggal, MDSan Francisco, CA 941581225599327
  2. Elena Hogenesch, MDSan Francisco, CA 941581518595347
  3. Leigh Humphries, MDSan Francisco, CA 941581336677442
  4. Eleni Jaswa, MD, MSCSan Francisco, CA 941581962768374
  5. Amy Kaing, MDSan Francisco, CA 941581063822914
  6. Jessica Kim, MDSan Francisco, CA 941581699206136
  7. Zeynep Koc, MDSan Francisco, CA 941581457844144
  8. Onyemaechi Anoruo, MD, MPH, MSSan Francisco, CA 941431679159511

Common questions

What is Maren Shapiro Eger, MD's NPI number?

Maren Shapiro Eger, MD's National Provider Identifier (NPI) is 1811359730, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Maren Shapiro Eger, MD located?

The NPPES record lists a practice address at 499 Illinois St, San Francisco, CA, 94158. Phone: (415) 353-3071. Providers update this record themselves, so call before visiting.

How can I verify Maren Shapiro Eger, MD's license?

NPPES lists California license number A168693, 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.

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.