DR. MARY E. NORTON M.D.
NPI 1629007091
Obstetrics & Gynecology in San Francisco, CA

Active since June 30, 2006PECOS Enrolled
75/100
CMS Quality Rating
350 PARNASSUS AVE, SAN FRANCISCO, CA 94117(415) 476-4080(415) 353-4077 Get Directions Write a Review

NPPES record last updated: July 24, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mary E. Norton M.d. NPPES

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

DR. MARY E. NORTON M.D. (NPI 1629007091) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (G68670) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629007091
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARY E. NORTONCredential: M.D.
Location Address350 PARNASSUS AVESan Francisco, CA 94117-3600
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001
Fax(415) 353-4077
Sole ProprietorNo
Enumeration DateJune 30, 2006
Last NPPES UpdateJuly 24, 2008
✔ NPI 1629007091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G68670
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedMedical Genetics · Clinical Genetics (M.D.)Taxonomy 207SG0201X · License G68670 (CA)
Also ListedObstetrics & Gynecology · Maternal & Fetal MedicineTaxonomy 207VM0101X · License G68670 (CA)
350 PARNASSUS AVE, San Francisco, CA 94117

Other Identifiers 3

Medicaid00G686700CA
Medicare UPINE58075CA
Medicare PIN00G686700CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary E. Norton M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Mary Norton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94117 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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.

Psychologist (Clinical)
350 PARNASSUS AVE, SUITE 601
SAN FRANCISCO, CA 94117
Dentist (General Practice)
350 PARNASSUS AVE, SUITE 403
SAN FRANCISCO, CA 94117
Dentist (General Practice)
350 PARNASSUS AVE, SUITE #403
SAN FRANCISCO, CA 94117
Internal Medicine (Endocrinology, Diabetes & Metabolism)
350 PARNASSUS AVE, SUITE 710
SAN FRANCISCO, CA 94117
Specialist
350 PARNASSUS AVE, SUITE 900, BOX 1207
SAN FRANCISCO, CA 94117
Clinical Nurse Specialist (Adult Health)
350 PARNASSUS AVE, SUITE 404
SAN FRANCISCO, CA 94117
Nurse Practitioner (Adult Health)
350 PARNASSUS AVE
SAN FRANCISCO, CA 94117
Internal Medicine
350 PARNASSUS AVE, STE 710
SAN FRANCISCO, CA 94117

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 Mary Norton's NPI number?

The NPI number for Mary Norton is 1629007091. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Mary Norton located?

Mary Norton practices at 350 Parnassus Ave, San Francisco, CA 94117. The listed phone number is (415) 476-4080.

What is Mary Norton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mary Norton enrolled in Medicare?

Yes. Mary Norton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Norton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Norton reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Dept Of Surgery (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Norton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Norton was last updated on July 24, 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.