Dr. Leonard A. Goldenstein, MD
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 2,306
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 3660 Park Sierra Dr, Riverside, CA 92505
- Practice phone
- Call (951) 278-8870
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mission Surgical Group
Riverside, California
Find Dr. Goldenstein'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. Leonard A. Goldenstein is a nephrologist in Riverside, California
Dr. Goldenstein practices at Mission Surgical Group in Riverside, California.
Dr. Goldenstein's NPI, 1851556864, was assigned on July 20, 2008. Dr. Goldenstein graduated from Ohio State College of Medicine in 2008. Dr. Goldenstein's Texas license number on file is P9577.
- NPI
- 1851556864NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355567587
- NPI enumeration date
- July 20, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 278-8870
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard A. Goldenstein practices at Mission Surgical Group in Riverside, California
Dr. Goldenstein's primary practice is Mission Surgical Group, at 3660 Park Sierra Dr, Riverside, CA 92505 in Riverside County. The practice phone is (951) 278-8870.
- Mission Surgical Group3660 Park Sierra Dr, Riverside, CA 92505 · Riverside CountyPhone(951) 278-8870
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonard A. Goldenstein is affiliated with 3 sites of care and 2 medical groups
Dr. Goldenstein's primary practice is Mission Surgical Group in Riverside, California. Dr. Goldenstein is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Goldenstein to 1 more group practice or clinic and 1 medical group, each 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. Leonard A. Goldenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Goldenstein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Surgical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard A. Goldenstein is one of 1,401 nephrologists in California
Nephrology is Dr. Goldenstein's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Goldenstein is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Goldenstein's licenses on file in 4 states: Texas, California, Hawaii and Illinois.
Specialties and state licenses
- Nephrology, TexasPrimary
- California license
- Hawaii license
- Internal medicine, Illinois
Nephrologists near Dr. Goldenstein
Counts of nephrologists 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. Leonard A. Goldenstein billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Goldenstein across 1 procedure code in 2024, for 40 Medicare patients. Medicare paid $3,345 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Goldenstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 572024: 8651%
Dr. Goldenstein compared with the California median for nephrologists, 2024
- Dr. Goldenstein
- California median
- Medicare services
- 86vs 1,08492% below
- Medicare patients
- 40vs 30787% below
- Part D claims
- 2,124vs 9552.2 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Goldenstein'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Goldenstein and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard A. Goldenstein treated 40 Medicare patients in 2024, average age 64
CMS counts 40 Medicare patients who saw Dr. Goldenstein in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 50% are also on Medicaid. Their average risk score is 6.68, 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. Goldenstein's median patient age at 65, with 47% women.
Dr. Goldenstein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Goldenstein's Medicare patients by sex, 2024
- Women2255%
- Men1845%
Chronic conditions among Dr. Goldenstein's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Heart failure53%
- Arthritis30%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Goldenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard A. Goldenstein wrote 2,306 Medicare Part D claims in 2024
In 2024, Dr. Goldenstein wrote 2,306 Medicare Part D claims for 493 patients. 91% of them were for generic drugs. CMS names the drug for 2,124 of them, across 33 drugs with 11 or more claims each, at $135,877 in total drug cost. In 2023, CMS named 1,959 claims across 30 drugs.
Dr. Goldenstein's Part D claims by kind of drug, 2024
- Generic2,091 claims91%
- Brand-name215 claims9%
Dr. Goldenstein'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. Goldenstein's Part D claims, 2024
- Antibiotics1%19 of 2,306 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: 1,9592024: 2,1248%
Drugs named by CMS: 33 in 2024, 30 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. Leonard A. Goldenstein takes part in Medicare
Dr. Goldenstein 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. Leonard A. Goldenstein has 2 publications on record
Dmand AI links 2 papers to Dr. Goldenstein in 2014. 2014 was the busiest year, with 2. The most frequent topics are Bicarbonates, Creatinine and Disease Progression. Dr. Goldenstein has published most often in Am J Kidney Dis. Dr. Goldenstein's most frequent co-authors are Todd Hayashida Driver, Joachim Hanno Ix, MD and Michael George Shlipak, MD.
Topics Dr. Goldenstein writes about most
- Bicarbonates
- Creatinine
- Disease Progression
- Glomerular Filtration Rate
- Kidney Function Tests
- Outcome Assessment, Health Care
- Renal Insufficiency, Chronic
Dr. Goldenstein's most frequent co-authors
- Todd Hayashida Driver2 shared papers
- Joachim Hanno Ix, MD2 shared papers
- Michael George Shlipak, MD2 shared papers
Recent publications by Dr. Goldenstein
Am J Kidney Dis
See who Dr. Goldenstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Goldenstein works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leonard A. Goldenstein received $18 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Goldenstein from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Fresenius USA Marketing, Inc. paid the most, $18.
Companies that paid Dr. Goldenstein the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard A. Goldenstein graduated from Ohio State College of Medicine
Dr. Goldenstein graduated from Ohio State College of Medicine in 2008.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Leonard A. Goldenstein accepts plans from 2 insurance carriers
Dr. Goldenstein is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Goldenstein accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leonard A. Goldenstein'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Leonard A. Goldenstein
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. Leonard A. Goldenstein's NPI number?
Dr. Leonard A. Goldenstein's NPI number is 1851556864. It was assigned on July 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard A. Goldenstein?
Dr. Leonard A. Goldenstein is a nephrologist in Riverside, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Leonard A. Goldenstein practice?
Dr. Goldenstein practices at 3660 Park Sierra Dr, Riverside, CA 92505. Dr. Goldenstein's primary practice is Mission Surgical Group in Riverside, California. Dmand AI also links Dr. Goldenstein to 1 group practice or clinic and 1 medical group.
What is Dr. Leonard A. Goldenstein's office phone number?
The practice phone on file for Dr. Goldenstein is (951) 278-8870.
What is Dr. Leonard A. Goldenstein's medical license number?
Dr. Goldenstein's Texas license number on file is P9577, one of the licenses on file in 4 states.
Which states has Dr. Leonard A. Goldenstein been licensed in?
Dmand AI has state licenses on file for Dr. Goldenstein in Texas (2014 to 2017), California (2011 to 2026), Hawaii (2025 to 2026) and Illinois (2008 to 2011).
Which hospitals is Dr. Leonard A. Goldenstein affiliated with?
Dr. Goldenstein is affiliated with Fontana Medical Center.
What medical group is Dr. Leonard A. Goldenstein part of?
Dr. Goldenstein is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Goldenstein to 1 more medical group.
Does Dr. Leonard A. Goldenstein accept Medicare?
Yes. CMS data shows Dr. Goldenstein billed Medicare for 86 services in 2024, and Dr. Goldenstein accepts Medicare assignment.
How many Medicare patients does Dr. Leonard A. Goldenstein see?
CMS counts 40 Medicare patients who saw Dr. Goldenstein in 2024, with an average age of 64.
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Is Dr. Leonard A. Goldenstein board certified?
Yes. Dr. Goldenstein is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Leonard A. Goldenstein bill to Medicare?
In 2024, Dr. Goldenstein's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Leonard A. Goldenstein go to medical school?
Dr. Goldenstein graduated from Ohio State College of Medicine in 2008.
What drugs does Dr. Leonard A. Goldenstein prescribe most?
In 2024 Medicare Part D data, Dr. Goldenstein's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Losartan Potassium.
Has Dr. Leonard A. Goldenstein received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Goldenstein from 1 company from 2016 to 2016. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Leonard A. Goldenstein been practicing?
Dr. Goldenstein graduated from medical school in 2008, 18 years ago.
Does Dr. Leonard A. Goldenstein do research?
Dmand AI links 2 publications to Dr. Goldenstein.
Who does Dr. Leonard A. Goldenstein publish with?
Dr. Goldenstein's most frequent co-authors are Todd Hayashida Driver (2 shared papers), Joachim Hanno Ix, MD (2 shared papers) and Michael George Shlipak, MD (2 shared papers).
What insurance does Dr. Leonard A. Goldenstein accept?
Dr. Goldenstein is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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