Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1396799516 Individual Practitioner Female Practitioner

Dr. Nancy L. Ascher , MD

Surgery • San Francisco, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Nancy Ascher, MD is a certified Surgery practicing in San Francisco, CA. With approximately 52 years of clinical experience since graduating from University Of Michigan Medical School in 1974, Dr. Ascher delivers high-quality medical care to the local community at 400 PARNASSUS AVE.

Dr. Ascher maintains professional affiliations with Ucsf Dept Of Surgery, Ucsf Medical Group Business Services and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, transplantation of donor kidney. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 Parnassus Ave

San Francisco, CA 941432202

Telephone 4153531888
Fax 4153538708
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of Michigan Medical School

Graduation Year

1974

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in San Francisco, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
52 Yrs +28.4 yrs vs City Avg
City Avg: 23.6 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
207 Specialists

Practicing in San Francisco, CA (3346 Statewide)

Telehealth Adoption Rate
19.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
78.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ascher (52 Years) 52 Yrs
San Francisco Specialty Average (23.6 Years) 23.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
31 22 $577.00 $109.49
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
21 13 $559.10 $132.36

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G63147

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.

Transplant Surgery

NUCC Taxonomy Code: 204F00000X

State License CA G63147

A surgeon who specializes in transplant surgery.

Surgery - Surgical Oncology

NUCC Taxonomy Code: 2086X0206X

State License CA G63147

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00G631470 (CA)

Hospital & Practice Group Affiliations

Ucsf Dept Of Surgery

400 Pamassus Ave, San Francisco, CA 941430001

Phone: 4154761316

Ucsf Medical Group Business Services

400 Parnassus Ave, San Francisco, CA 941432202

Phone: 4154761000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners
NPI 1194780775

Doctor of Medicine (M.D.)

NPI 1265499933

Doctor of Medicine (M.D.)

Jennifer Kerney , MSN, CRNP

Nurse Practitioner - Acute Care

NPI 1326289463

Master of Science in Nursing, Certified Registered Nurse Practitioner

Ana Marie Torres , MS, NP

Nurse Practitioner - Adult Health

NPI 1346680774

Master of Science, Nurse Practitioner

Amie Lencioni , NP

Nurse Practitioner - Acute Care

NPI 1417714940

Nurse Practitioner

Stephanie Straley , PA-C

Physician Assistant

NPI 1437490810

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 23, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location July 23, 2008

Registered at 400 PARNASSUS AVE, SAN FRANCISCO, CA 941432202 (Tel: 4153531888)

📍
Updated Business Mailing Address July 23, 2008

Registered at 1635 DIVISADERO STREET, SUITE 625, BOX 1821, SAN FRANCISCO, CA 941430001

👤
Provider Name / Credentials Updated July 23, 2008

Recorded as NANCY ASCHER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2008

Transplant Surgery (License #G63147 in CA)

🟢
Initial NPI Registration & Enumeration May 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1396799516
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 20, 2006
Last Update: July 23, 2008
Sole Proprietor: No

Mailing Address

1635 Divisadero Street, Suite 625, Box 1821

San Francisco, CA 941430001

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.