Stephanie Wei-Li Cheng, M.D.
Family Medicine Physician · Martinez, CA
Stephanie Wei-Li Cheng, M.D. is a family medicine physician with a practice address in Martinez, California, and NPI 1720409584, issued on Dec 20, 2013. Check the license (California A128591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Wei-Li Cheng
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A128591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 346-4947
- Enumerated
- Dec 20, 2013
- Record last updated
- Sep 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160922000959); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2012
- 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 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Stephanie Wei-Li Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
653 Medicare Part D claims for 75 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 321 claims were for opioids.
Most prescribed
- Oxycodone Hcl91 claims
- Gabapentin72 claims
- Buprenorphine49 claims
- Fentanyl45 claims
- Morphine Sulfate Er39 claims
- Methylphenidate Hcl33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Wei-Li Cheng among 17,133 family medicine physician records in California
Stephanie Wei-Li Cheng, M.D. 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 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2012 · median 2005 among the 10,652 with a school on file
- Record last updated2016 · 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).
191 family medicine physician records list a practice address in Martinez
They are 191 of the 1,816 NPPES records with a practice address in Martinez, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Martinez → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melodie Armstrong, MDMartinez, CA 945531093821779
- Philipp Bannwart, M.D.Martinez, CA 945531194828491
- Fred Beck, MDMartinez, CA 945531447348891
- Kenneth Brooks, MDMartinez, CA 945531528009685
- Scott Carter, M.D.Martinez, CA 945531306820980
- Christopher Farnitano, MDMartinez, CA 945531770673832
- David Hearst, MDMartinez, CA 945531770670531
- Stephen Kalkstein, MDMartinez, CA 945531356438113
Common questions
What is Stephanie Wei-Li Cheng, M.D.'s NPI number?
Stephanie Wei-Li Cheng, M.D.'s National Provider Identifier (NPI) is 1720409584, issued on Dec 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Wei-Li Cheng, M.D. located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 346-4947. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Wei-Li Cheng, M.D.'s license?
NPPES lists California license number A128591, 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 Wei-Li Cheng, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Wei-Li Cheng, M.D. had 653 Medicare Part D claims for 75 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Stephanie Wei-Li Cheng, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.