Dr. Ruby Maini, MD
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maini'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. 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
- 1063906063NPI Registry (opens in a new tab)
- 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
- Get number
- 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.
- Alameda Health System - Highland Hospital1411 East 31st Street, Oakland, CA 94602 · Alameda CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Alameda Health System - Highland Hospital | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Alameda County and 6.2K+ hospitals, with verified contacts in the same login.
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, CaliforniaPrimary
- Internal medicine, Louisiana
- Illinois license
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.
Chronic conditions among Dr. Maini's Medicare patients, 2024
- High blood pressure71%
- High cholesterol67%
- 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.
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.
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.
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
- Jumana Omar Abdelkarim, MD1 shared paper
- Bishal Bhandari, DO1 shared paper
- Mukul Bhattarai, MD1 shared paper
Recent publications by Dr. Maini
Clin Med Res
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.
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
- 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.
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.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
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
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ruby Maini'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 DataDmand AI Org Hierarchy Data |
| 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. 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.
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