Julie Ann Sosa, MD
Surgical Oncology Physician · San Francisco, CA
Julie Ann Sosa, MD is a surgical oncology physician with a practice address in San Francisco, California, and NPI 1639150915, issued on Nov 14, 2005. Check the license (California C154958, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Julie Ann Sosa
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License numbers
- C154958 CA
040397 CT
2012-01934 NC
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Nov 14, 2005
- Record last updated
- Oct 26, 2022
- Medicaid ID
- 001403972 CT
- Medicare enrollment
- Enrolled (PECOS I20180430000618); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
- Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
- Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
- Abul Abbas, MBBSAnatomic Pathology Physician1881652964
- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Julie Ann Sosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C154958Check 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
- Ucsf Dept OF SurgerySan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie Ann Sosa among 250 surgical oncology physician records in California
Julie Ann Sosa, MD is one of 250 surgical oncology physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1994 · median 2004 among the 184 with a school on file
- Record last updated2022 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in California
There are 250 surgical oncology physician records in California.
All 250 in California → Every provider in San Francisco → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Valerie Armstrong, MDSan Francisco, CA 941431871122911
- Jessica Dzubnar Barker, MDSan Francisco, CA 941431700349750
- Laura Esserman, MDSan Francisco, CA 941431679537971
- Cheryl Ewing, MDSan Francisco, CA 941431710935028
- Sarah HartmanSan Francisco, CA 941431558822122
- Ivy HuangSan Francisco, CA 941431043601727
- Jordan Jackson, MDSan Francisco, CA 941431902268360
- Kimberly Kirkwood, MDSan Francisco, CA 941431669437810
Common questions
What is Julie Ann Sosa, MD's NPI number?
Julie Ann Sosa, MD's National Provider Identifier (NPI) is 1639150915, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julie Ann Sosa, MD located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Julie Ann Sosa, MD's license?
NPPES lists California license number C154958, 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.