Doctor profile · Federal record

Dr. Ryan Rivera, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Oakland, CA

  • NPI 1720273055
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
240 W Macarthur Blvd
Oakland, CA 946115350
(510) 752-1190

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
December 20, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A9999

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720273055. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
209
Distinct HCPCS
3
Medicare allowed
$19,258
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 160 53 $88
99238 Hospital discharge day management, 30 minutes or less 36 36 $92
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $144

In context: peer comparison

Among 78 peers in Oakland Internal Medicine Physician, average services per provider: 326. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$230
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 2 $230.08

By nature of payment

Food and Beverage
$230

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$331
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 11 11 $331

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Rivera's medical specialty?
Dr. Ryan Rivera practices Internal Medicine Physician in Oakland, CA.
Where does Dr. Ryan Rivera practice?
Dr. Ryan Rivera practices at 240 W Macarthur Blvd, Oakland, CA 946115350. Office phone: 5107521190.
What is Dr. Ryan Rivera's NPI?
Dr. Ryan Rivera's National Provider Identifier (NPI) is 1720273055, issued by NPPES.
Does Dr. Ryan Rivera accept Medicare assignment?
Yes. Dr. Ryan Rivera accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Rivera commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.