Nancy L. Ascher, MD
Nancy L. Ascher is a Surgery specialist based in San Francisco, CA with over 52 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 52 years in surgery, Nancy L. Ascher, MD is a long-established surgery specialist in San Francisco. Trained at University of Michigan Medical School (class of 1974), she has been practicing for over 52 years. Among her Medicare patients, common conditions include hypertension, kidney disease, and high cholesterol (per CMS data). CMS MIPS quality score: 75/100 (2023).
At a glance
- Federal MIPS score higher than 21% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 6514dNPPES updated 2008-07-23 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
400 Parnassus Ave, San Francisco, CA 94143-2202
How Does This Doctor Compare?
MIPS Score
202375/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-8.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
57
Unique beneficiaries
Standard volumePrescription Recipients
24
Patients prescribed
Prescriptions Written
180
Total claims
Total Medicare drug cost: $24k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, Chronic Kidney Disease, and High Cholesterol.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+40%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-5%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+24%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+12%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-2%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1974
University of Michigan Medical School
52 years in practice
Senior practitioner
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Taxonomy: 208600000X
Education & Training
University of Michigan Medical School (Class of 1974)
Mailing address
1635 Divisadero Street, Suite 625, Box 1821, San Francisco, CA 94143-0001
Differs from practice location
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 20003F
View hospital on Medicare Care CompareVirtual Surgery Care With Nancy L. Ascher
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Nancy L. Ascher for blood pressure monitoring, kidney care follow-ups, cholesterol management — no travel to San Francisco required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Nancy L. Ascher
NPI records show Dr. Ascher as active with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 353-1888.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Nancy L. Ascher
Practice Location
400 Parnassus Ave, San Francisco, CA 94143-2202
Mailing Address
1635 Divisadero Street, Suite 625, Box 1821, San Francisco, CA 94143-0001
This is a provider directory. Contact the office directly to schedule appointments.
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