Dr. Nilo Isidro Rivera, MD
- Medicare services, 2024
- 59
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 6,003
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Rivera's professional email, personal email and mobile number
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Dr. Nilo Isidro Rivera is an internist in Richmond, California
Dr. Rivera practices at Richmond Medical Center in Richmond, California.
Dr. Rivera's NPI, 1821048695, was assigned on May 11, 2006. Dr. Rivera holds New Mexico license 20020353.
- NPI
- 1821048695NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587721675
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nilo Isidro Rivera practices at Richmond Medical Center in Richmond, California
Dr. Rivera's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nilo Isidro Rivera is affiliated with 3 sites of care and 1 medical group
Dr. Rivera's primary practice is Richmond Medical Center in Richmond, California. Dr. Rivera is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Rivera to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nilo Isidro Rivera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nilo Isidro Rivera is one of 16,751 internists in California
Internal medicine is Dr. Rivera's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rivera is licensed in New Mexico.
Specialties and state licenses
- Internal medicine, New MexicoPrimary
Internists near Dr. Rivera
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nilo Isidro Rivera billed Medicare for 59 services in 2024
CMS data shows 59 Medicare services from Dr. Rivera across 2 procedure codes in 2024, for 22 Medicare patients. Medicare paid $3,851 for them. Every service was in an office.
Dr. Rivera's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 552024: 597%
Dr. Rivera compared with the California median for internists, 2024
- Dr. Rivera
- California median
- Medicare services
- 59vs 36184% below
- Medicare patients
- 22vs 15185% below
- Part D claims
- 5,369vs 42112.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Rivera's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nilo Isidro Rivera treated 22 Medicare patients in 2024, average age 65
CMS counts 22 Medicare patients who saw Dr. Rivera in 2024. 75% of them have high blood pressure. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rivera's median patient age at 60, with 45% women.
Chronic conditions among Dr. Rivera's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rivera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nilo Isidro Rivera wrote 6,003 Medicare Part D claims in 2024
In 2024, Dr. Rivera wrote 6,003 Medicare Part D claims for 747 patients. 92% of them were for generic drugs. CMS names the drug for 5,369 of them, across 105 drugs with 11 or more claims each, at $137,323 in total drug cost. In 2023, CMS named 5,408 claims across 105 drugs.
Dr. Rivera's Part D claims by kind of drug, 2024
- Generic5,511 claims92%
- Brand-name452 claims8%
- Other40 claims1%
Dr. Rivera's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Rivera's Part D claims, 2024
- Opioids8%478 of 6,003 claims
- Antibiotics3%154 of 6,003 claims
- Antipsychotics, patients 65 and over0%16 of 6,003 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,4082024: 5,3691%
Drugs named by CMS: 105 in 2024, 105 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nilo Isidro Rivera offers telehealth to Medicare patients
Dr. Rivera accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rivera as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Nilo Isidro Rivera's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nilo Isidro Rivera
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nilo Isidro Rivera's NPI number?
Dr. Nilo Isidro Rivera's NPI number is 1821048695. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nilo Isidro Rivera?
Dr. Nilo Isidro Rivera is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nilo Isidro Rivera practice?
Dr. Rivera practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Rivera's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Rivera to 1 group practice or clinic.
What is Dr. Nilo Isidro Rivera's office phone number?
The practice phone on file for Dr. Rivera is (510) 307-1555.
What is Dr. Nilo Isidro Rivera's medical license number?
Dr. Rivera holds New Mexico license 20020353.
Which hospitals is Dr. Nilo Isidro Rivera affiliated with?
Dr. Rivera is affiliated with Oakland Medical Center.
What medical group is Dr. Nilo Isidro Rivera part of?
Dr. Rivera is linked to The Permanente Medical Group, Inc.
Does Dr. Nilo Isidro Rivera accept Medicare?
Yes. CMS data shows Dr. Rivera billed Medicare for 59 services in 2024, and Dr. Rivera accepts Medicare assignment.
Does Dr. Nilo Isidro Rivera offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rivera as offering telehealth services.
How many Medicare patients does Dr. Nilo Isidro Rivera see?
CMS counts 22 Medicare patients who saw Dr. Rivera in 2024, with an average age of 65.
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What services does Dr. Nilo Isidro Rivera bill to Medicare?
In 2024, Dr. Rivera's most billed Medicare services were office visit, established patient (99213) and care management and other visits (99442).
What drugs does Dr. Nilo Isidro Rivera prescribe most?
In 2024 Medicare Part D data, Dr. Rivera's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Hydrocodone-Acetaminophen.
How long has Dr. Nilo Isidro Rivera been practicing?
Dr. Rivera graduated from medical school in 1994, 32 years ago.
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