Cybil Sierra Stingl, MD
Student in an Organized Health Care Education/Training Program · Palo Alto, CA
Cybil Sierra Stingl, MD is a student in an organized health care education/training program with a practice address in Palo Alto, California, and NPI 1194468249, issued on Apr 17, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cybil Sierra Stingl
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 300 Pasteur Dr, Palo Alto, CA 94305
- Phone
- (650) 723-7001
- Enumerated
- Apr 17, 2022
- Record last updated
- Apr 17, 2022
- Fax
- (650) 725-5223
- 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 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cybil Sierra Stingl 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
69% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
57 Medicare Part D claims for 18 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $245.20
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cybil Sierra Stingl among 40,652 student in an organized health care education/training program records in California
Cybil Sierra Stingl, MD 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 2022, is newer than 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- 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).
655 student in an organized health care education/training program records list a practice address in Palo Alto
They are 655 of the 7,617 NPPES records with a practice address in Palo Alto, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Palo Alto → 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
- Stacy Banks, M.D.Stanford, CA 943051265613822
- Sundeep Bhat, M.D.Stanford, CA 943051821322108
- Paula Borges, M.D.Stanford, CA 943051689808008
- Frederick Dewey, M.D.Stanford, CA 943051457501884
- Melissa Dunagan, M.D.Stanford, CA 943051407044456
- Trish Ma, M.D.Stanford, CA 943051578695144
- Mary Mendoza-Newman, PH.D.Stanford, CA 943051912026246
- Lisa Pate, M.D., J.D.Stanford, CA 943051427246438
Common questions
What is Cybil Sierra Stingl, MD's NPI number?
Cybil Sierra Stingl, MD's National Provider Identifier (NPI) is 1194468249, issued on Apr 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cybil Sierra Stingl, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94305. Phone: (650) 723-7001. Providers update this record themselves, so call before visiting.
How can I verify Cybil Sierra Stingl, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cybil Sierra Stingl, MD prescribe under Medicare Part D?
In 2024, Cybil Sierra Stingl, MD had 57 Medicare Part D claims for 18 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.