Stephanie Singson Ross
Internal Medicine Physician · Orinda, CA
Stephanie Singson Ross is an internal medicine physician with a practice address in Orinda, California, and NPI 1699119081, issued on Apr 29, 2013. Check the license (California A136701, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Singson Ross
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A136701 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Camino Encinas, Orinda, CA 94563
- Phone
- (510) 204-8189
- Enumerated
- Apr 29, 2013
- Record last updated
- Feb 11, 2022
- Fax
- (510) 506-7724
- Medicare enrollment
- Enrolled (PECOS I20160614000896); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 12 Camino Encinas
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Singson Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A136701Check 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 internal medicine physician in 2024
979 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium83 claims
- Amlodipine Besylate69 claims
- Lisinopril63 claims
- Gabapentin51 claims
- Losartan Potassium46 claims
- Levothyroxine Sodium38 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
- Sutter Bay Medical FoundationOrinda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Singson Ross among 17,696 internal medicine physician records in California
Stephanie Singson Ross is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 internal medicine physician records list a practice address in Orinda
They are 21 of the 278 NPPES records with a practice address in Orinda, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Orinda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jyothi Bachwani, M.D.Orinda, CA 945631659489979
- Michelle Bricker, M.D.Orinda, CA 945631952353963
- Sandra Goldstein, M.D.Orinda, CA 945631467496984
- Michele Herman, M.D.Orinda, CA 945631588600753
- Melvin Huie, M.D.Orinda, CA 945631376501551
- Anita Krishnamurthy, M.D.Orinda, CA 945631811973092
- Mary Miller, M.D.Orinda, CA 945631235245770
- Michelle Ong, M.D.Orinda, CA 945631871671594
Common questions
What is Stephanie Singson Ross's NPI number?
Stephanie Singson Ross's National Provider Identifier (NPI) is 1699119081, issued on Apr 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Singson Ross located?
The NPPES record lists a practice address at 12 Camino Encinas, Orinda, CA, 94563. Phone: (510) 204-8189. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Singson Ross's license?
NPPES lists California license number A136701, 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.
How much does Stephanie Singson Ross prescribe under Medicare Part D?
In 2024, Stephanie Singson Ross had 979 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.