Ryan Nethercott Rivera, D.O.
Internal Medicine Physician · Oakland, CA
Ryan Nethercott Rivera, D.O. is an internal medicine physician with a practice address in Oakland, California, and NPI 1720273055, issued on Sep 10, 2007. Check the license (California 20A9999, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Nethercott Rivera
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A9999 CA
Self-reported in NPPES; status is on the state search - Practice location
- 240 W Macarthur Blvd, Oakland, CA 94611
- Phone
- (510) 752-1190
- Enumerated
- Sep 10, 2007
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090502000049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Ryan Nethercott Rivera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9999Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
215 Medicare Part D claims for 84 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium15 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.
Industry payments in 2024: $230.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Nethercott Rivera among 17,696 internal medicine physician records in California
Ryan Nethercott Rivera, D.O. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
432 internal medicine physician records list a practice address in Oakland
They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Oakland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Baudendistel, MDOakland, CA 946111801820436
- Rachel Canning, MDOakland, CA 946111386657609
- Howard Chang, MDOakland, CA 946111700845336
- Roopal Desai, MDOakland, CA 946111699861484
- Matthew Frankel, M.D., M.B.AOakland, CA 946111568542405
- Thomas Hackford, M.D.Oakland, CA 946111972598639
- Jacqueline Kiang, MDOakland, CA 946111376506600
- Katherine McLane, MDOakland, CA 946111447270186
Common questions
What is Ryan Nethercott Rivera, D.O.'s NPI number?
Ryan Nethercott Rivera, D.O.'s National Provider Identifier (NPI) is 1720273055, issued on Sep 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Nethercott Rivera, D.O. located?
The NPPES record lists a practice address at 240 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-1190. Providers update this record themselves, so call before visiting.
How can I verify Ryan Nethercott Rivera, D.O.'s license?
NPPES lists California license number 20A9999, 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 Ryan Nethercott Rivera, D.O. prescribe under Medicare Part D?
In 2024, Ryan Nethercott Rivera, D.O. had 215 Medicare Part D claims for 84 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.