Daniel Rios, MD
Internal Medicine Physician · Napa, CA
Daniel Rios, MD is an internal medicine physician with a practice address in Napa, California, and NPI 1821176652, issued on Nov 1, 2006. Check the license (California A67837, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Rios
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A67837 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1141 Pear Tree LN Ste 100, Napa, CA 94558
- Phone
- (707) 254-1770
- Enumerated
- Nov 1, 2006
- Record last updated
- Oct 21, 2024
- Medicaid ID
- 00A678370 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1141 Pear Tree LN Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria AcevesRegistered Nurse1871042572
- Kendra Brouse, RNRegistered Nurse1437895158
- Michele CarlsonRegistered Nurse1043967680
- Jose Carrasco Sandoval, DDSDentist1770146714
- Christine Conigliaro, LCSWClinical Social Worker1952501124
- Luis Cousin, M.D.Family Medicine Physician1477664936
Verify Daniel Rios in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,739 Medicare Part D claims for 375 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium195 claims
- Lisinopril98 claims
- Amlodipine Besylate91 claims
- Levothyroxine Sodium91 claims
- Losartan Potassium85 claims
- Atenolol56 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.
Daniel Rios among 17,696 internal medicine physician records in California
Daniel Rios, MD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2024 · 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).
61 internal medicine physician records list a practice address in Napa
They are 61 of the 3,583 NPPES records with a practice address in Napa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Napa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abhijit Adhye, M.D.Napa, CA 945581992763205
- Scott Anderson, MDNapa, CA 945581619929494
- Patricia Dizmang, M.D.Napa, CA 945581194790261
- Beth Hartung, M.D.Napa, CA 945581275501488
- Ronald Julis, M.D.Napa, CA 945581053311167
- Paul Laband, MDNapa, CA 945581427029040
- Monica McKeever, MDNapa, CA 945581538135298
- Lane Melgarejo, MDNapa, CA 945581588657308
Common questions
What is Daniel Rios, MD's NPI number?
Daniel Rios, MD's National Provider Identifier (NPI) is 1821176652, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Rios, MD located?
The NPPES record lists a practice address at 1141 Pear Tree LN Ste 100, Napa, CA, 94558. Phone: (707) 254-1770. Providers update this record themselves, so call before visiting.
How can I verify Daniel Rios, MD's license?
NPPES lists California license number A67837, 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 Daniel Rios, MD prescribe under Medicare Part D?
In 2024, Daniel Rios, MD had 1,739 Medicare Part D claims for 375 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.