Dr. Ruby Maini, MD

  • Oakland, CA
  • Medical oncologist
NPI1063906063PAC ID8224385174
Medicare patients, 2024
21
Part D claims, 2024
76
Publications
5
Hospital affiliations
3
Industry payments
$1,254
Practice address
1411 East 31st Street, Oakland, CA 94602
Practice phone
Call (510) 437-4800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Alameda Health System - Highland Hospital

Hospital · Oakland, California

See all 10 affiliations

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Dr. Ruby Maini is a medical oncologist in Oakland, California

Dr. Maini practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.

Dr. Maini's NPI, 1063906063, was assigned on June 21, 2018. Dr. Maini graduated from Medical University of Lublin in 2018. Dr. Maini holds California license A194651.

NPI and contact details
Medicare PAC ID
8224385174
NPI enumeration date
June 21, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 437-4800
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ruby Maini practices at Alameda Health System - Highland Hospital in Oakland, California

Dr. Maini's primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.

Source: Dmand AI Affiliation Data

Dr. Ruby Maini is affiliated with 6 sites of care and 4 medical groups

Dr. Maini's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dr. Maini is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Maini to 1 more hospital, 3 medical groups, 2 group practices and clinics and 1 community health center, each named with a free account. Dr. Maini's employer is on file too: a hospital.

See all 10 affiliations for Dr. Maini

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

Dmand AI tracks the EHR system at Dr. Ruby Maini's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maini practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alameda Health System - Highland HospitalAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ruby Maini is one of 415 medical oncologists in California

Medical oncology is Dr. Maini's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Maini is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Maini's licenses on file in 3 states: California, Louisiana and Illinois.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense A194651 · 2024 to 2026 · taxonomy 207RX0202X
  • Internal medicine, LouisianaLicense 338294 · 2023 to 2025 · taxonomy 207R00000X
  • Illinois licenseLicense 125.073267 · 2018 to 2021

Medical oncologists near Dr. Maini

Counts of medical oncologists 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. Ruby Maini treated 21 Medicare patients in 2024, average age 75

CMS counts 21 Medicare patients who saw Dr. Maini in 2024. 71% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 2.17, 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. Maini's median patient age at 64, with 53% women.

Medicare patients, 202421
Average age75
Average risk score2.17

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

  1. High blood pressure71%
  2. High cholesterol67%
  3. Arthritis62%

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

Dr. Maini's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women53%
  • Men44%

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

Dr. Ruby Maini wrote 76 Medicare Part D claims in 2024

In 2024, Dr. Maini wrote 76 Medicare Part D claims for 18 patients. 93% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $316 in total drug cost. In 2023, CMS named 66 claims across 4 drugs.

Part D claims, 202476
Drugs named by CMS2
Total drug cost$316
Part D patients18

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

  • Generic71 claims93%
  • Brand-name and other5 claims7%

Dr. Maini'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: 662024: 3350%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Maini

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. Ruby Maini takes part in Medicare

Dr. Maini 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. Ruby Maini has 5 publications on record

Dmand AI links 5 papers to Dr. Maini, published from 2019 to 2021. 2020 was the busiest year, with 2. The most frequent topics are Heart Failure and Patient Readmission. Dr. Maini's most frequent co-authors are Jumana Omar Abdelkarim, MD, Bishal Bhandari, DO and Mukul Bhattarai, MD.

Papers5
Years published2019 to 2021

Dr. Maini's papers by year, 2019 to 2021

Topics Dr. Maini writes about most

  • Heart Failure
  • Patient Readmission

Dr. Maini's most frequent co-authors

Recent publications by Dr. Maini

See all 5 publications and co-authors

See who Dr. Maini researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maini works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ruby Maini received $1,254 in industry payments from 2019 to 2024

CMS Open Payments shows 20 general payments to Dr. Maini from 12 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 78% of the total. Sanofi and Genzyme US Companies paid the most, $260.

General payments to Dr. Maini by program year, 2019 to 2024

General payments to Dr. Maini by kind, 2019 to 2024

$1.3Kin total
  • Food and beverage$97878%
  • Education$27622%

Companies that paid Dr. Maini the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Maini

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

Dr. Ruby Maini graduated from Medical University of Lublin

Dr. Maini graduated from Medical University of Lublin in 2018.

  1. Medical schoolMedical University of Lublin
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Ruby Maini accepts plans from 2 insurance carriers

Dr. Maini is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • CMS Medicare

Plan types Dr. Maini accepts, by number of carriers

  1. Medicare2
  2. EPO1
  3. HMO1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ruby Maini'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 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. Ruby Maini

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. Ruby Maini's NPI number?

Dr. Ruby Maini's NPI number is 1063906063. It was assigned on June 21, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Ruby Maini?

Dr. Ruby Maini is a medical oncologist in Oakland, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Ruby Maini practice?

Dr. Maini practices at 1411 East 31st Street, Oakland, CA 94602. Dr. Maini's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Dr. Maini to 1 hospital, 3 medical groups, 2 group practices and clinics and 1 community health center.

What is Dr. Ruby Maini's office phone number?

The practice phone on file for Dr. Maini is (510) 437-4800.

What is Dr. Ruby Maini's medical license number?

Dr. Maini holds California license A194651, one of the licenses on file in 3 states.

Which states has Dr. Ruby Maini been licensed in?

Dmand AI has state licenses on file for Dr. Maini in California (2024 to 2026), Louisiana (2023 to 2025) and Illinois (2018 to 2021).

Which hospitals is Dr. Ruby Maini affiliated with?

Dr. Maini practices at Alameda Health System - Highland Hospital in Oakland, California. Dr. Maini is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI links Dr. Maini to 1 more hospital.

What medical group is Dr. Ruby Maini part of?

Dr. Maini is linked to Stanford Health Care. Dmand AI links Dr. Maini to 3 more medical groups.

Does Dr. Ruby Maini accept Medicare?

Yes. CMS lists Dr. Maini as accepting Medicare assignment.

How many Medicare patients does Dr. Ruby Maini see?

CMS counts 21 Medicare patients who saw Dr. Maini in 2024, with an average age of 75.

Show 8 more questionsShow fewer questions

Is Dr. Ruby Maini board certified?

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

Where did Dr. Ruby Maini go to medical school?

Dr. Maini graduated from Medical University of Lublin in 2018.

What drugs does Dr. Ruby Maini prescribe most?

In 2024 Medicare Part D data, Dr. Maini's most prescribed drugs by claims were Acyclovir and Allopurinol.

Has Dr. Ruby Maini received payments from drug or device companies?

CMS Open Payments shows $1,254 in general payments to Dr. Maini from 12 companies from 2019 to 2024. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Ruby Maini been practicing?

Dr. Maini graduated from medical school in 2018, 8 years ago.

Does Dr. Ruby Maini do research?

Dmand AI links 5 publications to Dr. Maini, published from 2019 to 2021.

Who does Dr. Ruby Maini publish with?

Dr. Maini's most frequent co-authors are Jumana Omar Abdelkarim, MD (1 shared paper), Bishal Bhandari, DO (1 shared paper) and Mukul Bhattarai, MD (1 shared paper).

What insurance does Dr. Ruby Maini accept?

Dr. Maini is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

Selling to medical oncology practices?

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