Dr. Rene Merced Ramirez, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 166
- Hospital affiliations
- 1
- Industry payments
- $6,546
- Medical group
- 1
- Practice address
- 2500 Merced Street, San Leandro, CA 94577
- Practice phone
- Call (510) 454-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ramirez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Rene Merced Ramirez is a general surgeon in San Leandro, California
Dr. Ramirez practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
Dr. Ramirez's NPI, 1619146388, was assigned on February 26, 2008. Dr. Ramirez graduated from Albany Medical College of Union University in 2001. Dr. Ramirez holds California license A83626.
- NPI
- 1619146388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658442116
- NPI enumeration date
- February 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 454-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rene Merced Ramirez practices at San Leandro Medical Center in San Leandro, California
Dr. Ramirez's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.
- San Leandro Medical Center2500 Merced Street, San Leandro, CA 94577 · Alameda CountyPhone(510) 454-1000
Source: Dmand AI Affiliation Data
Dr. Rene Merced Ramirez is affiliated with 1 site of care and 1 medical group
Dr. Ramirez's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rene Merced Ramirez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramirez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Leandro Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rene Merced Ramirez is one of 2,926 general surgeons in California
Surgery is Dr. Ramirez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ramirez is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Ramirez
Counts of general surgeons 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. Rene Merced Ramirez treated 11 Medicare patients in 2024, average age 67
CMS counts 11 Medicare patients who saw Dr. Ramirez in 2024. Their average risk score is 2.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ramirez's median patient age at 67, with 51% women.
Dr. Ramirez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rene Merced Ramirez wrote 166 Medicare Part D claims in 2024
In 2024, Dr. Ramirez wrote 166 Medicare Part D claims for 65 patients. 93% of them were for generic drugs. CMS names the drug for 125 of them, across 3 drugs with 11 or more claims each, at $927 in total drug cost. In 2023, CMS named 86 claims across 3 drugs.
Dr. Ramirez's Part D claims by kind of drug, 2024
- Generic154 claims93%
- Brand-name12 claims7%
Dr. Ramirez'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. Ramirez's Part D claims, 2024
- Opioids29%48 of 166 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: 862024: 12545%
Drugs named by CMS: 3 in 2024, 3 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
How Dr. Rene Merced Ramirez takes part in Medicare
Dr. Ramirez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rene Merced Ramirez received $6,546 in industry payments from 2018 to 2022
CMS Open Payments shows 15 general payments to Dr. Ramirez from 3 drug and device companies from 2018 to 2022. Debt forgiveness make up the largest share, 84% of the total. Intuitive Surgical, Inc. paid the most, $5,552.
General payments to Dr. Ramirez by program year, 2018 to 2022
General payments to Dr. Ramirez by kind, 2018 to 2022
- Debt forgiveness$5,50084%
- Travel and lodging$79112%
- Food and beverage$2554%
Companies that paid Dr. Ramirez the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rene Merced Ramirez graduated from Albany Medical College of Union University
Dr. Ramirez graduated from Albany Medical College of Union University in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rene Merced Ramirez'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Rene Merced Ramirez
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. Rene Merced Ramirez's NPI number?
Dr. Rene Merced Ramirez's NPI number is 1619146388. It was assigned on February 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Rene Merced Ramirez?
Dr. Rene Merced Ramirez is a general surgeon in San Leandro, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Rene Merced Ramirez practice?
Dr. Ramirez practices at 2500 Merced Street, San Leandro, CA 94577. Dr. Ramirez's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
What is Dr. Rene Merced Ramirez's office phone number?
The practice phone on file for Dr. Ramirez is (510) 454-1000.
What is Dr. Rene Merced Ramirez's medical license number?
Dr. Ramirez holds California license A83626.
Which hospitals is Dr. Rene Merced Ramirez affiliated with?
Dr. Ramirez practices at San Leandro Medical Center in San Leandro, California.
What medical group is Dr. Rene Merced Ramirez part of?
Dr. Ramirez is linked to The Permanente Medical Group, Inc.
Does Dr. Rene Merced Ramirez accept Medicare?
Yes. CMS lists Dr. Ramirez as accepting Medicare assignment.
How many Medicare patients does Dr. Rene Merced Ramirez see?
CMS counts 11 Medicare patients who saw Dr. Ramirez in 2024, with an average age of 67.
Where did Dr. Rene Merced Ramirez go to medical school?
Dr. Ramirez graduated from Albany Medical College of Union University in 2001.
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What drugs does Dr. Rene Merced Ramirez prescribe most?
In 2024 Medicare Part D data, Dr. Ramirez's most prescribed drugs by claims were Oxycodone HCl, Ondansetron ODT and Ibuprofen.
Has Dr. Rene Merced Ramirez received payments from drug or device companies?
CMS Open Payments shows $6,546 in general payments to Dr. Ramirez from 3 companies from 2018 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Rene Merced Ramirez been practicing?
Dr. Ramirez graduated from medical school in 2001, 25 years ago.
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