Shannon Sullivan, M. D.
Pediatrics Physician · Redwood City, CA
Shannon Sullivan, M. D. is a pediatrics physician with a practice address in Redwood City, California, and NPI 1861515231, issued on Apr 9, 2007. Check the license (California A81983, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shannon Sullivan
- Credential
- M. D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A81983 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Broadway St, Redwood City, CA 94063
- Phone
- (650) 723-6601
- Enumerated
- Apr 9, 2007
- Record last updated
- Apr 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070614000501); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2001
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 450 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ran AtzmonOrthopaedic Surgery Physician1558023267
- Josefina Baca-Asher, PA-CPhysician Assistant1477796688
- Eldridge Batuyong, MDOrthopaedic Surgery Physician1639427321
- George Bugarinovic, MDSports Medicine (Orthopaedic Surgery) Physician1366062770
- Alexander Caspary-IsarOrthopedic Physical Therapist1043176084
- Michael Chen, MDStudent in an Organized Health Care Education/Training Program1588452403
Verify Shannon Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Lpch Medical Group Div OF LucilePalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon Sullivan among 9,272 pediatrics physician records in California
Shannon Sullivan, M. D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2001 · median 2012 among the 754 with a school on file
- Record last updated2011 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 pediatrics physician records list a practice address in Redwood City
They are 39 of the 2,795 NPPES records with a practice address in Redwood City, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Redwood City → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Luis Ayala, M.D.Redwood City, CA 940631285730929
- Eugene Baisch, MDRedwood City, CA 940631508944158
- Allan Bernstein, MDRedwood City, CA 940631699853283
- Eileen Chan, MDRedwood City, CA 940631649280835
- Mirta Delgado, DORedwood City, CA 940631720040322
- Wayne Easter, MDRedwood City, CA 940631609954296
- Elizabeth Fowler, MDRedwood City, CA 940631477563666
- Rudy Lopez, MDRedwood City, CA 940631669550216
Common questions
What is Shannon Sullivan, M. D.'s NPI number?
Shannon Sullivan, M. D.'s National Provider Identifier (NPI) is 1861515231, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Sullivan, M. D. located?
The NPPES record lists a practice address at 450 Broadway St, Redwood City, CA, 94063. Phone: (650) 723-6601. Providers update this record themselves, so call before visiting.
How can I verify Shannon Sullivan, M. D.'s license?
NPPES lists California license number A81983, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.