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DR. SARAH L MAXWELL MD
NPI 1235668757
Pediatrics in San Francisco, CA

Active since June 08, 2017PECOS Enrolled
550 16TH ST, SAN FRANCISCO, CA 94158(415) 502-2067 Get Directions Write a Review

NPPES record last updated: June 24, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 24, 2020, Jun 8, 2017 (2 updates tracked since 2017).

About Dr. Sarah L Maxwell Md NPPES

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

DR. SARAH L MAXWELL MD (NPI 1235668757) is an individual pediatrics provider in San Francisco, California, licensed in Rhode Island (LP03973) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235668757
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. SARAH L MAXWELLCredential: MD
Location Address550 16TH STSan Francisco, CA 94158-2545
Mailing Address550 16th Street, Box 0110San Francisco, CA 94158-2545 · (415) 502-2067
Phone(415) 502-2067
Sole ProprietorYes
Enumeration DateJune 8, 2017
Last NPPES UpdateJune 24, 20202 updates tracked since enumeration
NPPES CertifiedJune 24, 2020
✔ NPI 1235668757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in RI · LP03973
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
550 16TH ST, San Francisco, CA 94158
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sarah L Maxwell Md 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 Sarah Maxwell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
3.7 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
3.8 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.8 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 94158 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

LAURIE SONG
Pediatrics
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 514-4079
DR. YVETTE KIMBERLY WILD M.D., M.P.H.
Pediatrics
550 16TH ST, 5TH FLOOR; BOX 0136
SAN FRANCISCO, CA 94158
San Francisco County (415) 476-5892
CHRISTINA COLEMAN ABADI D.O.
Pediatrics (Pediatric Hematology-Oncology)
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 502-7062
DIVNEET MANDAIR MS
Internal Medicine (Medical Oncology)
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 476-4562
ZACHARY HUTCHINSON MD
Pediatrics (Pediatric Cardiology)
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-4141
MARGARET ROBINSON M.D.
Pediatrics (Pediatric Critical Care Medicine)
550 16TH ST, 4TH FLOOR, BOX 0110
SAN FRANCISCO, CA 94158
San Francisco County (415) 476-5001
MELODY SUZANNE KESHAVARZ PHARMD
Pharmacist
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 365-0512
PROF. GEORGE WILLIAMS RUTHERFORD III MD
Preventive Medicine (Public Health & General Preventive Medicine)
550 16TH ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 476-5781

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 Sarah Maxwell's NPI number?

The NPI number for Sarah Maxwell is 1235668757. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Sarah Maxwell located?

Sarah Maxwell practices at 550 16th St, San Francisco, CA 94158. The listed phone number is (415) 502-2067.

What is Sarah Maxwell's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Sarah Maxwell enrolled in Medicare?

Yes. Sarah Maxwell is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sarah Maxwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Maxwell reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Sarah Maxwell'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 Sarah Maxwell was last updated on June 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.