Maggie W. Waung, M.D., PH.D.
Neurology Physician · San Francisco, CA
Maggie W. Waung, M.D., PH.D. is a neurology physician with a practice address in San Francisco, California, and NPI 1366766834, issued on Mar 26, 2010. Check the license (California A119495, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maggie W. Waung
- Credential
- M.D., PH.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A119495 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2273
- Enumerated
- Mar 26, 2010
- Record last updated
- Jun 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140617002400); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abele, DPTPhysical Therapist1851648133
- Ian Adatia, MB CHBPediatric Cardiology Physician1427085299
- Daniel Adelman, M.D.Internal Medicine Physician1922041821
- Joshua Adler, MDInternal Medicine Physician1194781351
- Justin Ahn, M.D.Urology Physician1063755148
- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Maggie W. Waung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average neurology physician in 2024
721 Medicare Part D claims for 122 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pregabalin76 claims
- Duloxetine Hcl67 claims
- Gabapentin55 claims
- Oxcarbazepine40 claims
- Nurtec Odt38 claims
- Emgality Pen30 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).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Diana Abdulrahman, M.D.Pomona, CA1518276880
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Saheil AboutalibLong Beach, CA1548551112
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
Common questions
What is Maggie W. Waung, M.D., PH.D.'s NPI number?
Maggie W. Waung, M.D., PH.D.'s National Provider Identifier (NPI) is 1366766834, issued on Mar 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Maggie W. Waung, M.D., PH.D. located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2273. Providers update this record themselves, so call before visiting.
How can I verify Maggie W. Waung, M.D., PH.D.'s license?
NPPES lists California license number A119495, 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 Maggie W. Waung, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Maggie W. Waung, M.D., PH.D. had 721 Medicare Part D claims for 122 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Maggie W. Waung, M.D., PH.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.