Dr. Maria L. Wei, MD, PhD
- Medicare services, 2024
- 2,068
- Medicare patients, 2024
- 437
- Part D claims, 2024
- 369
- Publications
- 36
- MIPS score, 2024
- 87
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Wei's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maria L. Wei is a dermatologist in San Francisco, California
Dr. Wei practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Wei's NPI, 1689640864, was assigned on February 27, 2006. Dr. Wei graduated from Duke University School of Medicine in 1992. Dr. Wei holds California license A53307.
- NPI
- 1689640864NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860462777
- NPI enumeration date
- February 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria L. Wei practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Wei's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Maria L. Wei is affiliated with 2 sites of care and 2 medical groups
Dr. Wei's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Wei to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria L. Wei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wei practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of California Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maria L. Wei is one of 1,910 dermatologists in California
Dermatology is Dr. Wei's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Wei is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Wei
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maria L. Wei billed Medicare for 2,068 services in 2024
CMS data shows 2,068 Medicare services from Dr. Wei across 10 procedure codes in 2024, for 437 Medicare patients. Medicare paid $79,868 for them.
Dr. Wei's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,0162024: 1,20719%
- Office and hospital visits
- 2023: 6612024: 86130%
Where Dr. Wei's Medicare services took place, 2024
- In an office58628%
- In a facility1,48272%
Dr. Wei compared with the California median for dermatologists, 2024
- Dr. Wei
- California median
- Medicare services
- 2,068vs 1,75018% above
- Medicare patients
- 437vs 37716% above
- Part D claims
- 270vs 36726% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Wei's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Wei?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wei and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria L. Wei treated 437 Medicare patients in 2024, average age 74
CMS counts 437 Medicare patients who saw Dr. Wei in 2024. The largest group is 65 to 74, with 229 patients. 71% of them have high cholesterol, and 55% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wei's median patient age at 70, with 55% women.
Dr. Wei's Medicare patients by age, 2024
Dr. Wei's Medicare patients by sex, 2024
- Women23454%
- Men20346%
Chronic conditions among Dr. Wei's Medicare patients, 2024
- High cholesterol71%
- High blood pressure55%
- Arthritis39%
- Osteoporosis21%
- Cancer20%
- Ischemic heart disease18%
- Mood disorders18%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria L. Wei wrote 369 Medicare Part D claims in 2024
In 2024, Dr. Wei wrote 369 Medicare Part D claims for 128 patients. 94% of them were for generic drugs. CMS names the drug for 270 of them, across 12 drugs with 11 or more claims each, at $67,578 in total drug cost. In 2023, CMS named 230 claims across 11 drugs.
Dr. Wei's Part D claims by kind of drug, 2024
- Generic346 claims94%
- Brand-name23 claims6%
Dr. Wei's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wei's Part D claims, 2024
- Antibiotics6%23 of 369 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2302024: 27017%
Drugs named by CMS: 12 in 2024, 11 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maria L. Wei scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Wei for performance year 2024, reported as part of a group. Dr. Wei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 524 procedures of removal of skin lesions by Dr. Wei, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Wei's MIPS scores, performance year 2024
- 87of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Wei ranks in Medicare procedure volume
- Removal of skin lesions
- 87th percentile524 procedures
- Skin biopsy
- 87th percentile235 procedures
- Melanoma (skin cancer) excision
- 64th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Maria L. Wei has 36 publications on record
Dmand AI links 36 papers to Dr. Wei, published from 2014 to 2025. 2021 was the busiest year, with 5. The most frequent topics are Skin Neoplasms, Melanoma and Air Pollution. Dr. Wei has published most often in JAMA Dermatol. Dr. Wei's most frequent co-authors are Albert Young, DO, Emily Y. Chu, MD and Susan Marie Swetter, MD.
Dr. Wei's papers by year, 2016 to 2025
Topics Dr. Wei writes about most
- Skin Neoplasms
- Melanoma
- Air Pollution
- Air Pollutants
- Dermatitis, Atopic
- Dermoscopy
- Early Detection of Cancer
- Environmental Exposure
Dr. Wei's most frequent co-authors
- Albert Young, DO6 shared papers
- Emily Y. Chu, MD4 shared papers
- Susan Marie Swetter, MD4 shared papers
Recent publications by Dr. Wei
Front Med (Lausanne)
J Eur Acad Dermatol Venereol
Dermatopathology (Basel)
Int J Environ Res Public Health
See who Dr. Wei researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wei works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maria L. Wei received $8,811 in industry payments in 2022
CMS Open Payments shows 9 general payments to Dr. Wei from 1 drug or device company in 2022. Consulting fees make up the largest share, 76% of the total. Merck Sharp & Dohme Corporation paid the most, $8,811.
General payments to Dr. Wei by kind, 2022 to 2022
- Consulting fees$6,71076%
- Travel and lodging$1,93022%
- Food and beverage$1712%
Companies that paid Dr. Wei the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria L. Wei graduated from Duke University School of Medicine
Dr. Wei graduated from Duke University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria L. Wei's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maria L. Wei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maria L. Wei's NPI number?
Dr. Maria L. Wei's NPI number is 1689640864. It was assigned on February 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria L. Wei?
Dr. Maria L. Wei is a dermatologist in San Francisco, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Maria L. Wei practice?
Dr. Wei practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Wei's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Wei to 1 group practice or clinic and 1 medical group.
What is Dr. Maria L. Wei's office phone number?
The practice phone on file for Dr. Wei is (415) 353-2733.
What is Dr. Maria L. Wei's medical license number?
Dr. Wei holds California license A53307.
Which hospitals is Dr. Maria L. Wei affiliated with?
Dr. Wei practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Maria L. Wei part of?
Dr. Wei is linked to UCSF Pediatrics. Dmand AI links Dr. Wei to 1 more medical group.
Does Dr. Maria L. Wei accept Medicare?
Yes. CMS data shows Dr. Wei billed Medicare for 2,068 services in 2024, and Dr. Wei accepts Medicare assignment.
What is Dr. Maria L. Wei's MIPS score?
Dr. Wei's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Maria L. Wei see?
CMS counts 437 Medicare patients who saw Dr. Wei in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Maria L. Wei bill to Medicare?
In 2024, Dr. Wei's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Maria L. Wei go to medical school?
Dr. Wei graduated from Duke University School of Medicine in 1992.
What drugs does Dr. Maria L. Wei prescribe most?
In 2024 Medicare Part D data, Dr. Wei's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Fluorouracil.
Has Dr. Maria L. Wei received payments from drug or device companies?
CMS Open Payments shows $8,811 in general payments to Dr. Wei from 1 company from 2022 to 2022. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Maria L. Wei been practicing?
Dr. Wei graduated from medical school in 1992, 34 years ago.
Does Dr. Maria L. Wei do research?
Dmand AI links 36 publications to Dr. Wei, published from 2014 to 2025.
Who does Dr. Maria L. Wei publish with?
Dr. Wei's most frequent co-authors are Albert Young, DO (6 shared papers), Emily Y. Chu, MD (4 shared papers) and Susan Marie Swetter, MD (4 shared papers).
Selling to dermatology practices?
See dermatologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card