DR. NANCY L. ASCHER MD
NPI 1396799516
Surgery in San Francisco, CA

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1888(415) 353-8708 Get Directions Write a Review

NPPES record last updated: July 23, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nancy L. Ascher Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NANCY L. ASCHER MD (NPI 1396799516) is an individual surgery provider in San Francisco, California, licensed in California (G63147) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1974).

NPPES Registry Identity

NPI1396799516
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. NANCY L. ASCHERCredential: MD
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001
Fax(415) 353-8708
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1974
Enumeration DateMay 20, 2006
Last NPPES UpdateJuly 23, 2008
NPI 1396799516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in CA · G63147
Definition
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.
Also ListedTransplant SurgeryTaxonomy 204F00000X · License G63147 (CA)
Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License G63147 (CA)
400 PARNASSUS AVE, San Francisco, CA 94143

Other Identifiers 3

Medicare UPINE59029CA
Medicare PIN00G631470CA
Medicaid00G631470CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nancy L. Ascher Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779667019
PECOS Enrollment IDI20080226000532
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
31 services22 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
21 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nancy Ascher's NPI number?

The NPI number for Nancy Ascher is 1396799516. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Nancy Ascher located?

Nancy Ascher practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1888.

What is Nancy Ascher's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nancy Ascher enrolled in Medicare?

Yes. Nancy Ascher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nancy Ascher was last updated on July 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.