Dr. Mark Benjamin Ringer, MD
- Medicare services, 2024
- 648
- Medicare patients, 2024
- 423
- Part D claims, 2024
- 177
- Publications
- 1
- MIPS score, 2024
- 97
- Practice address
- 1798 N Garey Ave, Pomona, CA 91767
- Practice phone
- Call (909) 865-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ringer'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. Mark Benjamin Ringer is an emergency medicine physician in Pomona, California
Dr. Ringer practices at Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.
Dr. Ringer's NPI, 1629607171, was assigned on April 6, 2020. Dr. Ringer graduated from Loma Linda University School Of Medicine in 2020. Dr. Ringer holds California license A177597.
- NPI
- 1629607171NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406224765
- NPI enumeration date
- April 6, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 865-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Benjamin Ringer practices at Pomona Valley Hospital Medical Center in Pomona, California
Dr. Ringer's primary practice is Pomona Valley Hospital Medical Center, at 1798 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 865-9500.
- Pomona Valley Hospital Medical Center1798 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(909) 865-9500
Source: Dmand AI Affiliation Data
Dr. Mark Benjamin Ringer is affiliated with 3 sites of care and 3 medical groups
Dr. Ringer's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dr. Ringer is also affiliated with Loma Linda University Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Ringer to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Benjamin Ringer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ringer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pomona Valley Hospital Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Pomona Valley Hospital Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Benjamin Ringer is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ringer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ringer is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Ringer is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Ringer
Counts of emergency medicine physicians 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. Mark Benjamin Ringer billed Medicare for 648 services in 2024
CMS data shows 648 Medicare services from Dr. Ringer across 4 procedure codes in 2024, for 423 Medicare patients. Medicare paid $49,772 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ringer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2112024: 35769%
- Tests and treatments
- 2023: 1432024: 291103%
Dr. Ringer compared with the California median for emergency medicine physicians, 2024
- Dr. Ringer
- California median
- Medicare services
- 648vs 2652.4 times
- Medicare patients
- 423vs 24374% above
- Part D claims
- 49vs 6221% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ringer'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.
Need commercial claims for Dr. Ringer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ringer and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Benjamin Ringer treated 423 Medicare patients in 2024, average age 74
CMS counts 423 Medicare patients who saw Dr. Ringer in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 61% are also on Medicaid. Their average risk score is 2.69, 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. Ringer's median patient age at 46, with 56% women.
Dr. Ringer's Medicare patients by age, 2024
Dr. Ringer's Medicare patients by sex, 2024
- Women22152%
- Men20248%
Chronic conditions among Dr. Ringer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes54%
- Arthritis48%
- Chronic kidney disease44%
- Ischemic heart disease41%
- Heart failure39%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ringer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Benjamin Ringer wrote 177 Medicare Part D claims in 2024
In 2024, Dr. Ringer wrote 177 Medicare Part D claims for 136 patients. 93% of them were for generic drugs. CMS names the drug for 49 of them, across 2 drugs with 11 or more claims each, at $325 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Dr. Ringer's Part D claims by kind of drug, 2024
- Generic164 claims93%
- Brand-name13 claims7%
Dr. Ringer'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. Ringer's Part D claims, 2024
- Opioids8%15 of 177 claims
- Antibiotics31%55 of 177 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: 312024: 4958%
Drugs named by CMS: 2 in 2024, 2 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. Mark Benjamin Ringer scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Ringer for performance year 2024, reported as part of a group. Dr. Ringer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ringer's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Benjamin Ringer has 1 publication on record
Dmand AI links 1 paper to Dr. Ringer in 2019. Dr. Ringer's most frequent co-authors are Davinder S. Ramsingh, MD and Cameron Jack Ricks, MD.
Dr. Ringer's most frequent co-authors
Recent publications by Dr. Ringer
See who Dr. Ringer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ringer works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Benjamin Ringer graduated from Loma Linda University School Of Medicine
Dr. Ringer graduated from Loma Linda University School Of Medicine in 2020.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Mark Benjamin Ringer accepts plans from 2 insurance carriers
Dr. Ringer is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- NV State Medicaid
Plan types Dr. Ringer accepts, by number of carriers
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Benjamin Ringer'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mark Benjamin Ringer
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. Mark Benjamin Ringer's NPI number?
Dr. Mark Benjamin Ringer's NPI number is 1629607171. It was assigned on April 6, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Benjamin Ringer?
Dr. Mark Benjamin Ringer is an emergency medicine physician in Pomona, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark Benjamin Ringer practice?
Dr. Ringer practices at 1798 N Garey Ave, Pomona, CA 91767. Dr. Ringer's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dmand AI also links Dr. Ringer to 1 hospital and 2 medical groups.
What is Dr. Mark Benjamin Ringer's office phone number?
The practice phone on file for Dr. Ringer is (909) 865-9500.
What is Dr. Mark Benjamin Ringer's medical license number?
Dr. Ringer holds California license A177597.
Which hospitals is Dr. Mark Benjamin Ringer affiliated with?
Dr. Ringer practices at Pomona Valley Hospital Medical Center in Pomona, California. Dr. Ringer is also affiliated with Loma Linda University Medical Center. Dmand AI links Dr. Ringer to 1 more hospital.
What medical group is Dr. Mark Benjamin Ringer part of?
Dr. Ringer is linked to Vituity. Dmand AI links Dr. Ringer to 2 more medical groups.
Does Dr. Mark Benjamin Ringer accept Medicare?
Yes. CMS data shows Dr. Ringer billed Medicare for 648 services in 2024, and Dr. Ringer accepts Medicare assignment.
What is Dr. Mark Benjamin Ringer's MIPS score?
Dr. Ringer's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark Benjamin Ringer see?
CMS counts 423 Medicare patients who saw Dr. Ringer in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
Is Dr. Mark Benjamin Ringer board certified?
Yes. Dr. Ringer is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Mark Benjamin Ringer bill to Medicare?
In 2024, Dr. Ringer's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Where did Dr. Mark Benjamin Ringer go to medical school?
Dr. Ringer graduated from Loma Linda University School Of Medicine in 2020.
What drugs does Dr. Mark Benjamin Ringer prescribe most?
In 2024 Medicare Part D data, Dr. Ringer's most prescribed drugs by claims were Ondansetron ODT and Cephalexin.
How long has Dr. Mark Benjamin Ringer been practicing?
Dr. Ringer graduated from medical school in 2020, 6 years ago.
Does Dr. Mark Benjamin Ringer do research?
Dmand AI links 1 publication to Dr. Ringer.
Who does Dr. Mark Benjamin Ringer publish with?
Dr. Ringer's most frequent co-authors are Davinder S. Ramsingh, MD (1 shared paper) and Cameron Jack Ricks, MD (1 shared paper).
What insurance does Dr. Mark Benjamin Ringer accept?
Dr. Ringer is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card