Dr. Ram V. Patak, MD

  • Northridge, CA
  • Nephrologist
NPI1144218488
Medicare services, 2024
46
Medicare patients, 2024
36
Part D claims, 2024
402
Publications
18
Clinical trials
3
Practice address
19333 Business Center Drive, Northridge, CA 91324
Practice phone
Call (818) 709-9999
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northridge Kidney Care Center

Dialysis Center - Independent · Northridge, California

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Dr. Ram V. Patak is a nephrologist in Northridge, California

Dr. Patak practices at Northridge Kidney Care Center in Northridge, California.

Dr. Patak's NPI, 1144218488, was assigned on October 11, 2005. Dr. Patak graduated from Mysore Medical College in 1966. Dr. Patak holds California license C39711.

NPI and contact details
NPI enumeration date
October 11, 2005
NPI status
Active
Practice phone
(818) 709-9999
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
86
Medical school graduation
1966

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ram V. Patak practices at Northridge Kidney Care Center in Northridge, California

Dr. Patak's primary practice is Northridge Kidney Care Center, at 19333 Business Center Drive, Northridge, CA 91324 in Los Angeles County. The practice phone is (818) 709-9999.

  • Northridge Kidney Care Center
    19333 Business Center Drive, Northridge, CA 91324 · Los Angeles CountyPhone(818) 709-9999

Source: Dmand AI Affiliation Data

Dr. Ram V. Patak is affiliated with 2 sites of care and 1 medical group

Dr. Patak's primary practice is Northridge Kidney Care Center in Northridge, California. The medical group on file is Kidney And Hypertension Consultants. Dmand AI also links Dr. Patak to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Patak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ram V. Patak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northridge Kidney Care CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ram V. Patak is one of 1,401 nephrologists in California

Nephrology is Dr. Patak's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Patak is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Patak's licenses on file in 4 states: California, Kansas, Texas and New York.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense C39711 · 1981 to 2027 · taxonomy 207RN0300X
  • Kansas license1978 to 2014
  • Texas license1976 to 2013
  • New York license1975 to 2005

Clinical focus

Dmand AI lists chronic anemia and chronic kidney disease among the conditions Dr. Patak treats.

Nephrologists near Dr. Patak

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

1,401nephrologists in California
6nephrologists in Northridge

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ram V. Patak billed Medicare for 46 services in 2024

CMS data shows 46 Medicare services from Dr. Patak across 1 procedure code in 2024, all of them office visits, for 36 Medicare patients. Medicare paid $1,564 for them. Every service was in an office.

Medicare services, 202446
Medicare patients36
Paid by Medicare$1,564
Procedure codes1

Dr. Patak's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 932024: 4651%

Dr. Patak compared with the California median for nephrologists, 2024

  • Dr. Patak
  • California median
Medicare services
46vs 1,08496% below
Medicare patients
36vs 30788% below
Part D claims
257vs 95573% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Patak'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ram V. Patak treated 36 Medicare patients in 2024, average age 74

CMS counts 36 Medicare patients who saw Dr. Patak in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 58% are also on Medicaid. Their average risk score is 1.98, 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. Patak's median patient age at 67, with 44% women.

Medicare patients, 202436
Average age74
Average risk score1.98
Also on Medicaid58%

Dr. Patak's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Patak's Medicare patients by sex, 2024

  • Women1747%
  • Men1953%

Chronic conditions among Dr. Patak's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis72%
  5. Diabetes72%
  6. Ischemic heart disease53%
  7. Heart failure31%
  8. Mood disorders31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Patak'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

  • Women44%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ram V. Patak wrote 402 Medicare Part D claims in 2024

In 2024, Dr. Patak wrote 402 Medicare Part D claims for 79 patients. 73% of them were for generic drugs. CMS names the drug for 257 of them, across 11 drugs with 11 or more claims each, at $81,558 in total drug cost. In 2023, CMS named 297 claims across 11 drugs.

Part D claims, 2024402
Drugs named by CMS11
Total drug cost$81,558
Part D patients79

Dr. Patak's Part D claims by kind of drug, 2024

  • Generic293 claims73%
  • Brand-name and other109 claims27%

Dr. Patak'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2972024: 25713%

Drugs named by CMS: 11 in 2024, 11 in 2023.

See all prescribing by Dr. Patak

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

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Dr. Ram V. Patak has 18 publications on record

Dmand AI links 18 papers to Dr. Patak. The most frequent topics are Acute Kidney Injury, Kidney and Dogs. Dr. Patak has published most often in J Kans Med Soc. Dr. Patak's most frequent co-authors are Stephen Zale Fadem, MD, Richard H. Mauk, MD and Steven G. Rosenblatt, MD.

Papers18

Topics Dr. Patak writes about most

  • Acute Kidney Injury
  • Kidney
  • Dogs
  • Prostaglandins E
  • Sodium
  • Furosemide
  • Glomerular Filtration Rate
  • Regional Blood Flow

Dr. Patak's most frequent co-authors

Recent publications by Dr. Patak

See all 18 publications and co-authors

See who Dr. Patak researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Patak 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. Ram V. Patak has worked on 3 clinical trials

Dmand AI links Dr. Patak to 3 clinical trials. Conditions studied include Fibromyalgia, Muscular Diseases and Renal Insufficiency, Chronic. Daiichi Sankyo sponsors the most, 3. Open Payments lists research payments to Dr. Patak that name 4 trials.

Conditions in Dr. Patak's trials

  • Fibromyalgia
  • Muscular Diseases
  • Renal Insufficiency, Chronic

Investigators on the most trials with Dr. Patak

Recent clinical trials with Dr. Patak

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ram V. Patak received $12,670 in industry payments from 2016 to 2025

CMS Open Payments shows 219 general payments to Dr. Patak from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,182. It also lists 137 research payments totaling $115,123 from 2016 to 2024, naming 4 clinical trials.

General payments to Dr. Patak by program year, 2016 to 2025

General payments to Dr. Patak by kind, 2016 to 2025

$12.7Kin total
  • Food and beverage$12,56499%
  • Education$1061%

Companies that paid Dr. Patak the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Patak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ram V. Patak graduated from Mysore Medical College

Dr. Patak graduated from Mysore Medical College in 1966. Dr. Patak is a member of ASN and ISN.

  1. Medical schoolMysore Medical College
  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. Ram V. Patak accepts plans from 9 insurance carriers

Dr. Patak is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Molina
  • Regence Health Plans
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Patak accepts, by number of carriers

  1. Medicare7
  2. HMO5
  3. PPO4
  4. POS2
  5. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ram V. Patak'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Ram V. Patak

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. Ram V. Patak's NPI number?

Dr. Ram V. Patak's NPI number is 1144218488. It was assigned on October 11, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Ram V. Patak?

Dr. Ram V. Patak is a nephrologist in Northridge, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Ram V. Patak practice?

Dr. Patak practices at 19333 Business Center Drive, Northridge, CA 91324. Dr. Patak's primary practice is Northridge Kidney Care Center in Northridge, California. Dmand AI also links Dr. Patak to 1 group practice or clinic.

What is Dr. Ram V. Patak's office phone number?

The practice phone on file for Dr. Patak is (818) 709-9999.

What is Dr. Ram V. Patak's medical license number?

Dr. Patak holds California license C39711, one of the licenses on file in 4 states.

Which states has Dr. Ram V. Patak been licensed in?

Dmand AI has state licenses on file for Dr. Patak in California (1981 to 2027), Kansas (1978 to 2014), Texas (1976 to 2013) and New York (1975 to 2005).

What medical group is Dr. Ram V. Patak part of?

Dr. Patak is linked to Kidney And Hypertension Consultants.

Does Dr. Ram V. Patak accept Medicare?

Yes. CMS data shows Dr. Patak billed Medicare for 46 services in 2024.

How many Medicare patients does Dr. Ram V. Patak see?

CMS counts 36 Medicare patients who saw Dr. Patak in 2024, with an average age of 74.

Is Dr. Ram V. Patak board certified?

Yes. Dr. Patak is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Ram V. Patak bill to Medicare?

In 2024, Dr. Patak's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Ram V. Patak go to medical school?

Dr. Patak graduated from Mysore Medical College in 1966.

What drugs does Dr. Ram V. Patak prescribe most?

In 2024 Medicare Part D data, Dr. Patak's most prescribed drugs by claims were Furosemide, Procrit and Lokelma.

Has Dr. Ram V. Patak received payments from drug or device companies?

CMS Open Payments shows $12,670 in general payments to Dr. Patak from 34 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Ram V. Patak been practicing?

Dr. Patak graduated from medical school in 1966, 60 years ago.

Does Dr. Ram V. Patak do research?

Dmand AI links 18 publications to Dr. Patak. Dr. Patak has worked on 3 clinical trials.

Who does Dr. Ram V. Patak publish with?

Dr. Patak's most frequent co-authors are Stephen Zale Fadem, MD (5 shared papers), Richard H. Mauk, MD (1 shared paper) and Steven G. Rosenblatt, MD (1 shared paper).

What insurance does Dr. Ram V. Patak accept?

Dr. Patak is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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