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SHANNON SULLIVAN M. D.
NPI 1861515231
Pediatrics in Redwood City, CA

Active since April 09, 2007PECOS EnrolledAccepts Medicare Assignment
450 BROADWAY ST, MAIL CODE 5704, REDWOOD CITY, CA 94063(650) 723-6601 Get Directions Write a Review

NPPES record last updated: April 18, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Shannon Sullivan M. D. NPPES

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

SHANNON SULLIVAN M. D. (NPI 1861515231) is an individual pediatrics provider in Redwood City, California, licensed in California (A81983) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2001).

NPPES Registry Identity

NPI1861515231
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameSHANNON SULLIVANCredential: M. D.
Location Address450 BROADWAY ST, MAIL CODE 5704Redwood City, CA 94063-3132
Mailing Address450 Broadway St, Mail Code 5704Redwood City, CA 94063-3132 · (650) 723-6601
Phone(650) 723-6601
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2001
Enumeration DateApril 9, 2007
Last NPPES UpdateApril 18, 2011
✔ NPI 1861515231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A81983
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.
Also ListedPediatrics · Pediatric PulmonologyTaxonomy 2080P0214X · License A81983 (CA)
Also ListedPediatrics · Sleep MedicineTaxonomy 2080S0012X · License A81983 (CA)
450 BROADWAY ST, Redwood City, CA 94063
Open in Google Maps ↗

Other Identifiers 1

OtherA81983CA · Ca Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon Sullivan M. D. 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 ID6800994864
PECOS Enrollment IDI20070614000501
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

2

Medicare enrollment records show Shannon Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lpch Medical Group Div Of Lucile
3.7 mi
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762
Stanford Health Care
3.9 mi
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1437292927 (650) 723-4000

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 94063 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
11 suppliers30 claims30 services$33.26 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
7 suppliers16 claims89 services$17.62 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
10 suppliers25 claims25 services$44.39 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
11 suppliers21 claims21 services$16.08 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
11 suppliers28 claims168 services$1.78 avg. paid by Medicare
Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046
DME-Other DME · category DE001N
9 suppliers16 claims16 services$10.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ALEXANDER CASPARY-ISAR
Physical Therapist (Orthopedic)
450 BROADWAY ST
REDWOOD CITY, CA 94063
San Mateo County (850) 766-7720
DR. CHRISTOPHER HARLOW LADD DO
Anesthesiology (Pain Medicine)
450 BROADWAY ST
REDWOOD CITY, CA 94063
San Mateo County (650) 723-6316
MRS. GLENDA LOUISE SWETMAN M.D.
Dermatology
450 BROADWAY ST, PAVILION C, 2ND FLOOR, MC 5334
REDWOOD CITY, CA 94063
San Mateo County (650) 721-7194
AMY XIN YIN M.D.
Student in an Organized Health Care Education/Training Program
450 BROADWAY ST
REDWOOD CITY, CA 94063
San Mateo County (650) 725-6134
SARAH A SILVERMAN PSY.D.
Psychologist (Health)
450 BROADWAY ST, PAVILION B, 2ND FLOOR
REDWOOD CITY, CA 94063
San Mateo County (650) 498-3931
BEATA JANE VAYNGORTIN MD
Student in an Organized Health Care Education/Training Program
450 BROADWAY ST
REDWOOD CITY, CA 94063
San Mateo County (650) 721-7669
TANIA MAE MENDOZA GOLO-ATKIN BSN, RN, AMB-BC
Registered Nurse (Orthopedic)
450 BROADWAY ST
REDWOOD CITY, CA 94063
San Mateo County (650) 723-5643
MISS KATE LAUREN KEVORKEN PT, DPT
Physical Therapist (Orthopedic)
450 BROADWAY ST, PAVILION B31, 3RD FLOOR
REDWOOD CITY, CA 94063
San Mateo County (650) 725-5106

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 Shannon Sullivan's NPI number?

The NPI number for Shannon Sullivan is 1861515231. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Where is Shannon Sullivan located?

Shannon Sullivan practices at 450 Broadway St Mail Code 5704, Redwood City, CA 94063. The listed phone number is (650) 723-6601.

What is Shannon Sullivan's specialty?

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

Is Shannon Sullivan enrolled in Medicare?

Yes. Shannon Sullivan 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.

Which organizations bill Medicare for Shannon Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Sullivan reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Shannon Sullivan'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 Shannon Sullivan was last updated on April 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.