NPPES file of Aug 9, 2026

Lauren Grace Quan, MD

Family Medicine Physician · Foster City, CA

Lauren Grace Quan, MD is a family medicine physician with a practice address in Foster City, California, and NPI 1497318166, issued on Apr 18, 2019. Check the license (California 178005, 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
1497318166
Name
Lauren Grace Quan
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
178005 CA
Self-reported in NPPES; status is on the state search
Practice location
1098 Foster City Blvd Ste A104, Foster City, CA 94404
Phone
(650) 414-6872
Enumerated
Apr 18, 2019
Record last updated
Sep 2, 2025
Fax
(650) 414-6873
Medicare enrollment
Enrolled (PECOS I20220902002734); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 Lauren Grace Quan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 178005
    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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85% fewer Medicare Part D claims than the average family medicine physician in 2024

540 Medicare Part D claims for 85 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Lauren Quan540
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium67 claims
  2. Amlodipine Besylate32 claims
  3. Losartan Potassium30 claims
  4. Lisinopril24 claims
  5. Metformin Hcl23 claims
  6. Eliquis21 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.

Industry payments in 2024: $82.97

1 payment: food and beverage; the largest payer was Otsuka Pharmaceutical Development & Commercialization, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lauren Quan$82.97
  2. Specialty average$902.55

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. Dignity Health Medical FoundationFoster City, CA

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

Lauren Grace Quan among 17,133 family medicine physician records in California

Lauren Grace Quan, MD 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2018 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 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).

3 family medicine physician records list a practice address in Foster City

They are 3 of the 242 NPPES records with a practice address in Foster City, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Dana Ludwig, M.D.Foster City, CA 944041700963360
  2. Alicea Wu, M.D.Foster City, CA 944041659409456
  3. Eliane Bitar, MDSan Mateo, CA 944031679036875
  4. Deepal Chhaganlal, MDSan Mateo, CA 944031225692122
  5. Pritty Dwivedy, DOSan Mateo, CA 944031144915653
  6. Sana Jivraj, MDSan Mateo, CA 944031881047181
  7. Scott Morrow, MD MPH MBASan Mateo, CA 944031548316342
  8. Margaret Murray, MDSan Mateo, CA 944031275093957

Common questions

What is Lauren Grace Quan, MD's NPI number?

Lauren Grace Quan, MD's National Provider Identifier (NPI) is 1497318166, issued on Apr 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Grace Quan, MD located?

The NPPES record lists a practice address at 1098 Foster City Blvd Ste A104, Foster City, CA, 94404. Phone: (650) 414-6872. Providers update this record themselves, so call before visiting.

How can I verify Lauren Grace Quan, MD's license?

NPPES lists California license number 178005, 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 Lauren Grace Quan, MD prescribe under Medicare Part D?

In 2024, Lauren Grace Quan, MD had 540 Medicare Part D claims for 85 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.