Carling Ursem, MD
Hematology & Oncology Physician · San Francisco, CA
Carling Ursem, MD is a hematology & oncology physician with a practice address in San Francisco, California, and NPI 1740555317, issued on Mar 15, 2012. Check the license (California A129860, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carling Ursem
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- A129860 CA
172986 NC
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Mar 15, 2012
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170707001185); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abele, DPTPhysical Therapist1851648133
- Ian Adatia, MB CHBPediatric Cardiology Physician1427085299
- Daniel Adelman, M.D.Internal Medicine Physician1922041821
- Joshua Adler, MDInternal Medicine Physician1194781351
- Justin Ahn, M.D.Urology Physician1063755148
- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Carling Ursem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129860Check 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
- Marin Cancer Care, Inc.Greenbrae, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carling Ursem among 1,583 hematology & oncology physician records in California
Carling Ursem, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2011 · median 2003 among the 1,124 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in San Francisco → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alain Algazi, M.D.San Francisco, CA 941431821289794
- Shagun Arora, MDSan Francisco, CA 941431316198112
- Collin Blakely, MDSan Francisco, CA 941431528287174
- Terence Friedlander, MSSan Francisco, CA 941431215134267
- Andrea Harzstark, MDSan Francisco, CA 941431871766576
- Wesley Kidder, MDSan Francisco, CA 941431669761151
- James Lee, M.D.San Francisco, CA 941431346482007
- Inga Lennes, M.D.San Francisco, CA 941431427134568
Common questions
What is Carling Ursem, MD's NPI number?
Carling Ursem, MD's National Provider Identifier (NPI) is 1740555317, issued on Mar 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Carling Ursem, MD located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Carling Ursem, MD's license?
NPPES lists California license number A129860, 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.