Stephanie Lai, DO
Family Medicine Physician · Vacaville, CA
Stephanie Lai, DO is a family medicine physician with a practice address in Vacaville, California, and NPI 1487141354, issued on Apr 17, 2018. Check the license (California 20A17761, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Lai
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A17761 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Quality Dr, Vacaville, CA 95688
- Phone
- (707) 624-4000
- Enumerated
- Apr 17, 2018
- Record last updated
- Jul 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20201026003252); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1 Quality Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lamia Alazzawi, PHARM.D.Pharmacist1407380645
- Delaine Alejandro, DOFamily Medicine Physician1487816294
Verify Stephanie Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family medicine physician in 2024
2,889 Medicare Part D claims for 304 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 57 claims were for opioids.
Most prescribed
- Atorvastatin Calcium240 claims
- Amlodipine Besylate139 claims
- Lisinopril121 claims
- Levothyroxine Sodium105 claims
- Losartan Potassium105 claims
- Hydrochlorothiazide100 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
- Permanente Medical Group IncVacaville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Lai among 17,133 family medicine physician records in California
Stephanie Lai, DO 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% 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 updated2022 · 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).
56 family medicine physician records list a practice address in Vacaville
They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vacaville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Azim Ahmady, MDVacaville, CA 956881417035916
- Teresa Auyeung, MDVacaville, CA 956881780771154
- Raquel Cripe, M.D.Vacaville, CA 956881912922782
- Ricardo Denapoli, D.O.Vacaville, CA 956881295703189
- Peaslee Dumont, MDVacaville, CA 956881588748768
- Michael Earwood, MDVacaville, CA 956881932287828
- Gail Feinberg, DOVacaville, CA 956881194760025
- Behroz Hamkar, M.D.Vacaville, CA 956881073525036
Common questions
What is Stephanie Lai, DO's NPI number?
Stephanie Lai, DO's National Provider Identifier (NPI) is 1487141354, issued on Apr 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Lai, DO located?
The NPPES record lists a practice address at 1 Quality Dr, Vacaville, CA, 95688. Phone: (707) 624-4000. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Lai, DO's license?
NPPES lists California license number 20A17761, 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 Stephanie Lai, DO prescribe under Medicare Part D?
In 2024, Stephanie Lai, DO had 2,889 Medicare Part D claims for 304 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.