Dr. Leonard A. Goldenstein, MD

  • Riverside, CA
  • Nephrologist
NPI1851556864PAC ID1355567587
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Mission Surgical Group

Riverside, California

See all 5 affiliations

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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 and contact details
Medicare PAC ID
1355567587
NPI enumeration date
July 20, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 278-8870
Professional email
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Personal email
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Mobile number
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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 Group
    3660 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.

See all 5 affiliations for Dr. Goldenstein

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.

EHR by site
SiteEHR vendor and product
Mission Surgical GroupAvailable with a free account
+2 more sites and 1 medical groupAvailable 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, TexasPrimaryLicense P9577 · 2014 to 2017 · taxonomy 207RN0300X
  • California licenseLicense A117171 · 2011 to 2026
  • Hawaii license2025 to 2026
  • Internal medicine, IllinoisLicense 125054989 · 2008 to 2011 · taxonomy 207R00000X

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.

Medicare services, 202486
Medicare patients40
Paid by Medicare$3,345
Procedure codes1

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.

See all procedures by Dr. Goldenstein

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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.

Medicare patients, 202440
Average age64
Average risk score6.68
Also on Medicaid50%

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

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Ischemic heart disease55%
  6. Heart failure53%
  7. Arthritis30%
  8. 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.

Part D claims, 20242,306
Drugs named by CMS33
Total drug cost$135,877
Part D patients493

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.

See all prescribing by Dr. Goldenstein

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.

Papers2

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

Recent publications by Dr. Goldenstein

See all 2 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Goldenstein

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.

  1. Medical schoolOhio State College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

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

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Leonard A. Goldenstein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Show 9 more questionsShow fewer questions

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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