N Engl J Med
Dr. Robert Gabriel Feldman, MD
- Medicare services, 2024
- 25,455
- Medicare patients, 2024
- 248
- Part D claims, 2024
- 8,361
- Publications
- 3
- Clinical trials
- 6
- Practice address
- 23961 Calle De La Magdalena, Laguna Hills, CA 92653-3616
- Practice phone
- Call (949) 452-1930
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Feldman Robert G Medical Group
Physician office · Laguna Hills, California
Find Dr. Feldman'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. Robert Gabriel Feldman is a geriatric medicine (internal medicine) physician in Laguna Hills, California
Dr. Feldman practices at Feldman Robert G Medical Group in Laguna Hills, California.
Dr. Feldman's NPI, 1194805416, was assigned on October 17, 2006. Dr. Feldman graduated from SUNY Downstate Health Sciences University in 1986. Dr. Feldman holds California license G68484.
- NPI
- 1194805416NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204809205
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 452-1930
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Gabriel Feldman practices at Feldman Robert G Medical Group in Laguna Hills, California
Dr. Feldman's primary practice is Feldman Robert G Medical Group, at 23961 Calle De La Magdalena, Laguna Hills, CA 92653-3616. The practice phone is (949) 452-1930.
- Feldman Robert G Medical Group23961 Calle De La Magdalena, Laguna Hills, CA 92653-3616Phone(949) 452-1930
Source: Dmand AI Affiliation Data
Dr. Robert Gabriel Feldman is affiliated with 7 sites of care
Dr. Feldman's primary practice is Feldman Robert G Medical Group in Laguna Hills, California. Dr. Feldman is also affiliated with MemorialCare Saddleback Medical Center. Dmand AI also links Dr. Feldman to 1 more hospital and 4 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Gabriel Feldman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feldman practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Feldman Robert G Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Gabriel Feldman is one of 497 geriatric medicine (internal medicine) physicians in California
Geriatric medicine is Dr. Feldman's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Feldman is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Feldman's licenses on file in 6 states: California, Arizona, Maine, New York, North Carolina and Georgia.
Specialties and state licenses
- Geriatric medicine (internal medicine), CaliforniaPrimary
- Arizona license
- Maine license
- New York license
- North Carolina license
- Georgia license
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, aneurysm, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Feldman treats.
Geriatric medicine (internal medicine) physicians near Dr. Feldman
Counts of geriatric medicine (internal 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. Robert Gabriel Feldman billed Medicare for 25,455 services in 2024
CMS data shows 25,455 Medicare services from Dr. Feldman across 22 procedure codes in 2024, for 248 Medicare patients. Medicare paid $434,637 for them. Every service was in an office.
Dr. Feldman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 6,4212024: 22,950257%
- Office and hospital visits
- 2023: 1,1182024: 1,0585%
- Other services
- 2023: 8402024: 8946%
- Tests and treatments
- 2023: 4062024: 48820%
- Imaging
- 2023: 442024: 6548%
Dr. Feldman compared with the California median for geriatric medicine (internal medicine) physicians, 2024
- Dr. Feldman
- California median
- Medicare services
- 25,455vs 42460.0 times
- Medicare patients
- 248vs 17839% above
- Part D claims
- 7,880vs 9308.5 times
Medians across 466 geriatric medicine (internal medicine) physicians in California with Dmand AI profiles that report each measure.
Dr. Feldman'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. Feldman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Feldman and other geriatric medicine (internal medicine) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Gabriel Feldman treated 248 Medicare patients in 2024, average age 78
CMS counts 248 Medicare patients who saw Dr. Feldman in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Feldman's median patient age at 79, with 61% women.
Dr. Feldman's Medicare patients by age, 2024
Dr. Feldman's Medicare patients by sex, 2024
- Women14860%
- Men10040%
Chronic conditions among Dr. Feldman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Osteoporosis55%
- Arthritis50%
- Chronic kidney disease41%
- Mood disorders33%
- Anxiety32%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Feldman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Gabriel Feldman wrote 8,361 Medicare Part D claims in 2024
In 2024, Dr. Feldman wrote 8,361 Medicare Part D claims for 394 patients. 92% of them were for generic drugs. CMS names the drug for 7,880 of them, across 110 drugs with 11 or more claims each, at $485,634 in total drug cost. In 2023, CMS named 7,213 claims across 99 drugs.
Dr. Feldman's Part D claims by kind of drug, 2024
- Generic7,683 claims92%
- Brand-name657 claims8%
- Other21 claims0%
Dr. Feldman'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. Feldman's Part D claims, 2024
- Opioids1%87 of 8,361 claims
- Antibiotics2%204 of 8,361 claims
- Antipsychotics, patients 65 and over1%47 of 8,361 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: 7,2132024: 7,8809%
Drugs named by CMS: 110 in 2024, 99 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. Robert Gabriel Feldman takes part in Medicare
Dr. Feldman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert Gabriel Feldman has 3 publications on record
Dmand AI links 3 papers to Dr. Feldman in 2009. The most frequent topics are Bone Density Conservation Agents, Bone Density and Osteoporosis. Dr. Feldman's most frequent co-authors are Robin K. Dore, MD, Andrew M. Kaunitz, MD and Michael R. Mcclung, MD.
Topics Dr. Feldman writes about most
- Bone Density Conservation Agents
- Bone Density
- Osteoporosis
- RANK Ligand
Dr. Feldman's most frequent co-authors
- Robin K. Dore, MD1 shared paper
- Andrew M. Kaunitz, MD1 shared paper
- Michael R. Mcclung, MD1 shared paper
Recent publications by Dr. Feldman
See who Dr. Feldman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Feldman works with, so you can find a warm path to the right geriatric medicine (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Gabriel Feldman has worked on 6 clinical trials
Dmand AI links Dr. Feldman to 6 clinical trials, 2 of them phase 2/3 studies. 1 is still active or recruiting. Conditions studied include Alzheimer Disease, Tauopathies and Cognitive Dysfunction. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Feldman that name 2 trials.
Clinical trials with Dr. Feldman by phase
- NonePhase 1: no trials
- NonePhase 2: no trials
- 2Phase 2/3: 2 trials
- 2Phase 3: 2 trials
- NonePhase 4: no trials
Conditions in Dr. Feldman's trials
- Alzheimer Disease
- Tauopathies
- Cognitive Dysfunction
- Plaque, Amyloid
- Cognition Disorders
Investigators on the most trials with Dr. Feldman
- Mary L. Stedman, MD5 shared trials
- Marc Edward Agronin, MD4 shared trials
- Charles Benjamin Bernick, MD4 shared trials
Recent clinical trials with Dr. Feldman
Study of AGB101 in Mild Cognitive Impairment Due to Alzheimer's Disease (opens in a new tab)
Progress of Mild Alzheimer's Disease in Participants on Solanezumab Versus Placebo (opens in a new tab)
AC-1204 26-Week Long Term Efficacy Response Trial With Optional Open-label Ext (opens in a new tab)
A Study of Donanemab (LY3002813) in Participants With Early Alzheimer's Disease (TRAILBLAZER-ALZ 2) (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Robert Gabriel Feldman received $1,647,489 in industry payments from 2016 to 2025
CMS Open Payments shows 2,977 general payments to Dr. Feldman from 21 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 77% of the total. Amgen Inc. paid the most, $792,944. It also lists 14 research payments totaling $12,810 from 2017 to 2023, naming 2 clinical trials.
General payments to Dr. Feldman by program year, 2016 to 2025
General payments to Dr. Feldman by kind, 2016 to 2025
- Speaker and faculty fees$1,267,08477%
- Travel and lodging$276,30717%
- Food and beverage$51,9493%
- Consulting fees$51,3993%
- Education$7520%
Companies that paid Dr. Feldman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Gabriel Feldman graduated from SUNY Downstate Health Sciences University
Dr. Feldman graduated from SUNY Downstate Health Sciences University in 1986. Dr. Feldman is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Gabriel Feldman accepts plans from 9 insurance carriers
Dr. Feldman is in network with 9 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Feldman accepts, by number of carriers
- Medicare8
- PPO7
- HMO5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Gabriel Feldman'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 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)Doctors and Clinicians Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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. Robert Gabriel Feldman
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. Robert Gabriel Feldman's NPI number?
Dr. Robert Gabriel Feldman's NPI number is 1194805416. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Gabriel Feldman?
Dr. Robert Gabriel Feldman is a geriatric medicine (internal medicine) physician in Laguna Hills, California. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. Robert Gabriel Feldman practice?
Dr. Feldman practices at 23961 Calle De La Magdalena, Laguna Hills, CA 92653-3616. Dr. Feldman's primary practice is Feldman Robert G Medical Group in Laguna Hills, California. Dmand AI also links Dr. Feldman to 1 hospital and 4 home health agencies.
What is Dr. Robert Gabriel Feldman's office phone number?
The practice phone on file for Dr. Feldman is (949) 452-1930.
What is Dr. Robert Gabriel Feldman's medical license number?
Dr. Feldman holds California license G68484, one of the licenses on file in 6 states.
Which states has Dr. Robert Gabriel Feldman been licensed in?
Dmand AI has state licenses on file for Dr. Feldman in California (1990 to 2027), Arizona (since 1990), Maine (since 1990), New York (since 1990), North Carolina (1990 to 1992) and Georgia (1988 to 1991).
Which hospitals is Dr. Robert Gabriel Feldman affiliated with?
Dr. Feldman is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. Feldman to 1 more hospital.
Does Dr. Robert Gabriel Feldman accept Medicare?
Yes. CMS data shows Dr. Feldman billed Medicare for 25,455 services in 2024, and Dr. Feldman accepts Medicare assignment.
How many Medicare patients does Dr. Robert Gabriel Feldman see?
CMS counts 248 Medicare patients who saw Dr. Feldman in 2024, with an average age of 78.
Is Dr. Robert Gabriel Feldman board certified?
Yes. Dr. Feldman is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Robert Gabriel Feldman bill to Medicare?
In 2024, Dr. Feldman's most billed Medicare services were injected or infused drug (J3111), injected or infused drug (J0897) and office visit, established patient (99214).
Where did Dr. Robert Gabriel Feldman go to medical school?
Dr. Feldman graduated from SUNY Downstate Health Sciences University in 1986.
What drugs does Dr. Robert Gabriel Feldman prescribe most?
In 2024 Medicare Part D data, Dr. Feldman's most prescribed drugs by claims were Metoprolol Succinate, Pantoprazole Sodium and Montelukast Sodium.
Has Dr. Robert Gabriel Feldman received payments from drug or device companies?
CMS Open Payments shows $1,647,489 in general payments to Dr. Feldman from 21 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Robert Gabriel Feldman been practicing?
Dr. Feldman graduated from medical school in 1986, 40 years ago.
Does Dr. Robert Gabriel Feldman do research?
Dmand AI links 3 publications to Dr. Feldman. Dr. Feldman has worked on 6 clinical trials.
Who does Dr. Robert Gabriel Feldman publish with?
Dr. Feldman's most frequent co-authors are Robin K. Dore, MD (1 shared paper), Andrew M. Kaunitz, MD (1 shared paper) and Michael R. Mcclung, MD (1 shared paper).
What insurance does Dr. Robert Gabriel Feldman accept?
Dr. Feldman is in network with 9 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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