Annabelle Ziv Yfa Kretzschmar Sparks, M.D.
Student in an Organized Health Care Education/Training Program · San Francisco, CA
Annabelle Ziv Yfa Kretzschmar Sparks, M.D. is a student in an organized health care education/training program with a practice address in San Francisco, California, and NPI 1518266873, issued on Mar 24, 2011. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Annabelle Ziv Yfa Kretzschmar Sparks
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 2351 Clay St, San Francisco, CA 94115
- Phone
- (415) 600-3954
- Enumerated
- Mar 24, 2011
- Record last updated
- Jan 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20151001001942); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 2351 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Au, M.D.Student in an Organized Health Care Education/Training Program1902148091
- Geoffrey Bailey-Gates, M.D.Student in an Organized Health Care Education/Training Program1306137708
- Christopher Brown, MDPulmonary Disease Physician1104900901
- Tze-Ming Chen, M.D.Pulmonary Disease Physician1215092705
- Ivan Cheng, MDCritical Care Medicine (Internal Medicine) Physician1639253438
- Lisa Chui, M.D.Student in an Organized Health Care Education/Training Program1689992927
Verify Annabelle Ziv Yfa Kretzschmar Sparks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.3 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
3,021 Medicare Part D claims for 331 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium266 claims
- Levothyroxine Sodium174 claims
- Amlodipine Besylate150 claims
- Losartan Potassium146 claims
- Lisinopril110 claims
- Simvastatin94 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Annabelle Ziv Yfa Kretzschmar Sparks among 40,652 student in an organized health care education/training program records in California
Annabelle Ziv Yfa Kretzschmar Sparks, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 4% of them.
- NPI issued2011 · 4% of these records are older, 95% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2011 · median 2017 among the 2,409 with a school on file
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,035 student in an organized health care education/training program records list a practice address in San Francisco
They are 3,035 of the 38,143 NPPES records with a practice address in San Francisco, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in San Francisco → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Lisa Chui, M.D.San Francisco, CA 941151689992927
- Niloofar Fadaki, M.D.San Francisco, CA 941151922275783
- Choon Hwa Goh, M.D, MPHSan Francisco, CA 941151922238864
- Pristine Lee, M.DSan Francisco, CA 941151134328198
- Julia Macisaac, MDSan Francisco, CA 941151427238146
- Rebecca O'Neill, M.D.San Francisco, CA 941151356676886
- Erin PollardSan Francisco, CA 941151326271719
- Giuliette RechtSan Francisco, CA 941151861708455
Common questions
What is Annabelle Ziv Yfa Kretzschmar Sparks, M.D.'s NPI number?
Annabelle Ziv Yfa Kretzschmar Sparks, M.D.'s National Provider Identifier (NPI) is 1518266873, issued on Mar 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Annabelle Ziv Yfa Kretzschmar Sparks, M.D. located?
The NPPES record lists a practice address at 2351 Clay St, San Francisco, CA, 94115. Phone: (415) 600-3954. Providers update this record themselves, so call before visiting.
How can I verify Annabelle Ziv Yfa Kretzschmar Sparks, M.D.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Annabelle Ziv Yfa Kretzschmar Sparks, M.D. prescribe under Medicare Part D?
In 2024, Annabelle Ziv Yfa Kretzschmar Sparks, M.D. had 3,021 Medicare Part D claims for 331 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
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.