Dr. Sumaira Zareen Aasi, MD

  • Stanford, CA
  • Mohs-micrographic surgery physician
NPI1780675181PAC ID3072638063
Medicare services, 2024
1,865
Medicare patients, 2024
436
Part D claims, 2024
147
Publications
62
MIPS score, 2024
89
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 3 affiliations

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Dr. Sumaira Zareen Aasi is a mohs-micrographic surgery physician in Stanford, California

Dr. Aasi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Aasi's NPI, 1780675181, was assigned on November 3, 2005. Dr. Aasi graduated from Northwestern University Feinberg Medical School in 1997. Dr. Aasi holds California license C54709.

NPI and contact details
Medicare PAC ID
3072638063
NPI enumeration date
November 3, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Sumaira Zareen Aasi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Aasi's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Sumaira Zareen Aasi is affiliated with 2 sites of care and 1 medical group

Dr. Aasi's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Aasi to 1 more hospital, named with a free account. Dr. Aasi's employer is on file too: a hospital.

See all 3 affiliations for Dr. Aasi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Sumaira Zareen Aasi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aasi practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sumaira Zareen Aasi is one of 156 mohs-micrographic surgery physicians in California

Mohs-micrographic surgery is Dr. Aasi's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dr. Aasi is licensed in California.

Specialties and state licenses

  • Mohs-micrographic surgery, CaliforniaPrimaryLicense C54709 · taxonomy 207ND0101X

Mohs-micrographic surgery physicians near Dr. Aasi

Counts of mohs-micrographic surgery physicians 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. Sumaira Zareen Aasi billed Medicare for 1,865 services in 2024

CMS data shows 1,865 Medicare services from Dr. Aasi across 29 procedure codes in 2024, for 436 Medicare patients. Medicare paid $250,383 for them. Every service was in an office.

Medicare services, 20241,865
Medicare patients436
Paid by Medicare$250,383
Procedure codes29

Dr. Aasi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1,7502024: 1,41719%
Office and hospital visits
2023: 3562024: 41817%
Lab and pathology
2023: 442024: 3032%

Dr. Aasi compared with the California median for mohs-micrographic surgery physicians, 2024

  • Dr. Aasi
  • California median
Medicare services
1,865vs 2,64529% below
Medicare patients
436vs 52817% below
Part D claims
120vs 22547% below

Medians across 153 mohs-micrographic surgery physicians in California with Dmand AI profiles that report each measure.

Dr. Aasi'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.

See all procedures by Dr. Aasi

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Sumaira Zareen Aasi treated 436 Medicare patients in 2024, average age 79

CMS counts 436 Medicare patients who saw Dr. Aasi in 2024. The largest group is 75 to 84, with 199 patients. 72% of them have high cholesterol, and 65% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Aasi's median patient age at 67, with 44% women.

Medicare patients, 2024436
Average age79
Average risk score1.45
Also on Medicaid6%

Dr. Aasi's Medicare patients by age, 2024

Dr. Aasi's Medicare patients by sex, 2024

  • Women16037%
  • Men27663%

Chronic conditions among Dr. Aasi's Medicare patients, 2024

  1. High cholesterol72%
  2. High blood pressure65%
  3. Arthritis34%
  4. Ischemic heart disease27%
  5. Atrial fibrillation23%
  6. Chronic kidney disease22%
  7. Cancer21%
  8. Osteoporosis20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Aasi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women44%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Sumaira Zareen Aasi wrote 147 Medicare Part D claims in 2024

In 2024, Dr. Aasi wrote 147 Medicare Part D claims for 117 patients. 98% of them were for generic drugs. CMS names the drug for 120 of them, across 4 drugs with 11 or more claims each, at $1,517 in total drug cost. In 2023, CMS named 174 claims across 4 drugs.

Part D claims, 2024147
Drugs named by CMS4
Total drug cost$1,517
Part D patients117

Dr. Aasi's Part D claims by kind of drug, 2024

  • Generic144 claims98%
  • Brand-name and other3 claims2%

Dr. Aasi'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. Aasi's Part D claims, 2024

  • Opioids12%17 of 147 claims
  • Antibiotics66%97 of 147 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: 1742024: 12031%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by Dr. Aasi

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. Sumaira Zareen Aasi scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Aasi for performance year 2024, reported as part of a group. Dr. Aasi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Aasi as offering telehealth. CMS counts 125 procedures of melanoma (skin cancer) excision by Dr. Aasi, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Aasi's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Aasi ranks in Medicare procedure volume

Removal of skin cancer
58th percentile481 procedures
Removal of skin lesions
80th percentile217 procedures
Melanoma (skin cancer) excision
95th percentile125 procedures
Skin biopsy
74th percentile87 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

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)

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Dr. Sumaira Zareen Aasi has 62 publications on record

Dmand AI links 62 papers to Dr. Aasi, published from 2013 to 2025. 2023 was the busiest year, with 10. The most frequent topics are Skin Neoplasms, Carcinoma, Squamous Cell and Mohs Surgery. Dr. Aasi has published most often in J Am Acad Dermatol. Dr. Aasi's most frequent co-authors are Nour Kibbi, MD, Anthony Eugene Oro, MD and Kavita Yang Sarin, MD.

Papers62
Years published2013 to 2025

Dr. Aasi's papers by year, 2016 to 2025

Topics Dr. Aasi writes about most

  • Skin Neoplasms
  • Carcinoma, Squamous Cell
  • Mohs Surgery
  • Carcinoma, Basal Cell
  • Immunohistochemistry
  • Biopsy
  • Margins of Excision
  • Adenocarcinoma, Sebaceous

Dr. Aasi's most frequent co-authors

Recent publications by Dr. Aasi

See all 62 publications and co-authors

See who Dr. Aasi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Aasi works with, so you can find a warm path to the right mohs-micrographic surgery physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Sumaira Zareen Aasi received $28,328 in industry payments from 2017 to 2025

CMS Open Payments shows 31 general payments to Dr. Aasi from 6 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 83% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $26,122. It also lists 10 research payments totaling $1,489 from 2024 to 2025, naming 1 clinical trial.

General payments to Dr. Aasi by program year, 2017 to 2025

General payments to Dr. Aasi by kind, 2017 to 2025

$28.3Kin total
  • Consulting fees$23,47083%
  • Travel and lodging$3,00611%
  • Speaker and faculty fees$1,0154%
  • Food and beverage$7633%
  • Education$740%

Companies that paid Dr. Aasi the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Aasi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Sumaira Zareen Aasi graduated from Northwestern University Feinberg Medical School

Dr. Aasi graduated from Northwestern University Feinberg Medical School in 1997.

  1. Medical schoolNorthwestern University Feinberg Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Sumaira Zareen Aasi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Sumaira Zareen Aasi

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. Sumaira Zareen Aasi's NPI number?

Dr. Sumaira Zareen Aasi's NPI number is 1780675181. It was assigned on November 3, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Sumaira Zareen Aasi?

Dr. Sumaira Zareen Aasi is a mohs-micrographic surgery physician in Stanford, California. The primary specialty in the NPI Registry is MOHS-Micrographic Surgery Physician (taxonomy code 207ND0101X).

Where does Dr. Sumaira Zareen Aasi practice?

Dr. Aasi practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Aasi's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Aasi to 1 hospital.

What is Dr. Sumaira Zareen Aasi's office phone number?

The practice phone on file for Dr. Aasi is (650) 723-4000.

What is Dr. Sumaira Zareen Aasi's medical license number?

Dr. Aasi holds California license C54709.

Which hospitals is Dr. Sumaira Zareen Aasi affiliated with?

Dr. Aasi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Aasi to 1 more hospital.

What medical group is Dr. Sumaira Zareen Aasi part of?

Dr. Aasi is linked to Stanford Health Care.

Does Dr. Sumaira Zareen Aasi accept Medicare?

Yes. CMS data shows Dr. Aasi billed Medicare for 1,865 services in 2024, and Dr. Aasi accepts Medicare assignment.

Does Dr. Sumaira Zareen Aasi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Aasi as offering telehealth services.

What is Dr. Sumaira Zareen Aasi's MIPS score?

Dr. Aasi's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Sumaira Zareen Aasi see?

CMS counts 436 Medicare patients who saw Dr. Aasi in 2024, with an average age of 79.

What services does Dr. Sumaira Zareen Aasi bill to Medicare?

In 2024, Dr. Aasi's most billed Medicare services were surgery: skin and soft tissue (17311), surgery: skin and soft tissue (17312) and office visit, established patient (99213).

Where did Dr. Sumaira Zareen Aasi go to medical school?

Dr. Aasi graduated from Northwestern University Feinberg Medical School in 1997.

What drugs does Dr. Sumaira Zareen Aasi prescribe most?

In 2024 Medicare Part D data, Dr. Aasi's most prescribed drugs by claims were Cephalexin, Fluorouracil and Acetaminophen-Codeine.

Has Dr. Sumaira Zareen Aasi received payments from drug or device companies?

CMS Open Payments shows $28,328 in general payments to Dr. Aasi from 6 companies from 2017 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.

How long has Dr. Sumaira Zareen Aasi been practicing?

Dr. Aasi graduated from medical school in 1997, 29 years ago.

Does Dr. Sumaira Zareen Aasi do research?

Dmand AI links 62 publications to Dr. Aasi, published from 2013 to 2025.

Who does Dr. Sumaira Zareen Aasi publish with?

Dr. Aasi's most frequent co-authors are Nour Kibbi, MD (10 shared papers), Anthony Eugene Oro, MD (10 shared papers) and Kavita Yang Sarin, MD (9 shared papers).

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