Frances Lee, DO
Gastroenterology Physician · Fairfield, CA
Frances Lee, DO is a gastroenterology physician with a practice address in Fairfield, California, and NPI 1881952737, issued on Apr 29, 2012. Check the license (California 20A13027, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frances Lee
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 20A13027 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2702 Low CT, Fairfield, CA 94534
- Phone
- (707) 427-4900
- Enumerated
- Apr 29, 2012
- Record last updated
- Jul 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (707) 432-2533
- Medicare enrollment
- Enrolled (PECOS I20180801002403); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2702 Low CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mina AfnanPhysician Assistant1023889672
- Kareen Caragan, P.T.Physical Therapist1750462982
- Charo Castro, PTAPhysical Therapy Assistant1881775013
- Lawrence Chan, M.D.Gastroenterology Physician1356558332
- Julie Chen, M.D.Ophthalmology Physician1740303064
- Martha Corcoran, M.D.Otolaryngology Physician1063487825
Verify Frances Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average gastroenterology physician in 2024
821 Medicare Part D claims for 400 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-C228 claims
- Pantoprazole Sodium178 claims
- Omeprazole95 claims
- Sod Sulf-Potass Sulf-Mag Sulf26 claims
- Famotidine25 claims
- Linzess22 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 one group practice
- Sutter Valley Medical FoundationVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frances Lee among 2,140 gastroenterology physician records in California
Frances Lee, DO is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2002 among the 1,538 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Fairfield → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mounzer Al Samman, M.D.Fairfield, CA 945341700822160
- Lawrence Chan, M.D.Fairfield, CA 945341356558332
- Nazia Hasan, M.D., M.P.H.Fairfield, CA 945341831394667
- Krishnaswamy Rajan, MDFairfield, CA 945341922037449
- Zachary Eagle, MDTravis Afb, CA 945351689166290
- Richard Gould, M.D.Fairfield, CA 945331215980461
- Rashid Iqbal, MDFairfield, CA 945331942285879
- Michael Krier, M.D.Fairfield, CA 945351497808414
Common questions
What is Frances Lee, DO's NPI number?
Frances Lee, DO's National Provider Identifier (NPI) is 1881952737, issued on Apr 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Frances Lee, DO located?
The NPPES record lists a practice address at 2702 Low CT, Fairfield, CA, 94534. Phone: (707) 427-4900. Providers update this record themselves, so call before visiting.
How can I verify Frances Lee, DO's license?
NPPES lists California license number 20A13027, 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 Frances Lee, DO prescribe under Medicare Part D?
In 2024, Frances Lee, DO had 821 Medicare Part D claims for 400 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.