Dr. Gregory D. Rubin, MD
- Part D claims, 2024
- 4,973
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 5601 De Soto Avenue, Woodland Hills, CA 91367
- Practice phone
- Call (818) 719-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Rubin'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. Gregory D. Rubin is an internist in Woodland Hills, California
Dr. Rubin practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.
Dr. Rubin's NPI, 1275600298, was assigned on November 29, 2006. Dr. Rubin graduated from Tel Aviv University Sackler in 2000. Dr. Rubin holds California license A82304.
- NPI
- 1275600298NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739148941
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 719-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory D. Rubin practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California
Dr. Rubin's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.
- Kaiser Permanente Woodland Hills Medical Center5601 De Soto Avenue, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 719-3800
Source: Dmand AI Affiliation Data
Dr. Gregory D. Rubin is affiliated with 2 sites of care and 1 medical group
Dr. Rubin's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Rubin to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory D. Rubin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rubin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Woodland Hills Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory D. Rubin is one of 16,751 internists in California
Internal medicine is Dr. Rubin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rubin is board certified in internal medicine by the American Board of Internal Medicine. Dr. Rubin is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Rubin
Counts of internists 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. Gregory D. Rubin's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Rubin's median patient age at 58, with 50% women.
Dr. Rubin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women50%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Gregory D. Rubin wrote 4,973 Medicare Part D claims in 2024
In 2024, Dr. Rubin wrote 4,973 Medicare Part D claims for 785 patients. 92% of them were for generic drugs. CMS names the drug for 4,602 of them, across 70 drugs with 11 or more claims each, at $106,475 in total drug cost. In 2023, CMS named 4,340 claims across 66 drugs.
Dr. Rubin's Part D claims by kind of drug, 2024
- Generic4,552 claims92%
- Brand-name367 claims7%
- Other54 claims1%
Dr. Rubin'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. Rubin's Part D claims, 2024
- Antibiotics1%37 of 4,973 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: 4,3402024: 4,6026%
Drugs named by CMS: 70 in 2024, 66 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. Gregory D. Rubin takes part in Medicare
Dr. Rubin 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. Gregory D. Rubin graduated from Tel Aviv University Sackler
Dr. Rubin graduated from Tel Aviv University Sackler in 2000.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory D. Rubin accepts plans from 2 insurance carriers
Dr. Rubin 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. Rubin accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory D. Rubin'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 Data |
| 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) |
| 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. Gregory D. Rubin
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. Gregory D. Rubin's NPI number?
Dr. Gregory D. Rubin's NPI number is 1275600298. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory D. Rubin?
Dr. Gregory D. Rubin is an internist in Woodland Hills, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory D. Rubin practice?
Dr. Rubin practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Dr. Rubin's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Dr. Rubin to 1 dialysis center.
What is Dr. Gregory D. Rubin's office phone number?
The practice phone on file for Dr. Rubin is (818) 719-3800.
What is Dr. Gregory D. Rubin's medical license number?
Dr. Rubin holds California license A82304.
Which hospitals is Dr. Gregory D. Rubin affiliated with?
Dr. Rubin practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California.
What medical group is Dr. Gregory D. Rubin part of?
Dr. Rubin is linked to Southern California Permanente Medical Group.
Does Dr. Gregory D. Rubin accept Medicare?
Yes. CMS lists Dr. Rubin as accepting Medicare assignment.
Is Dr. Gregory D. Rubin board certified?
Yes. Dr. Rubin is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Gregory D. Rubin go to medical school?
Dr. Rubin graduated from Tel Aviv University Sackler in 2000.
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What drugs does Dr. Gregory D. Rubin prescribe most?
In 2024 Medicare Part D data, Dr. Rubin's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Gregory D. Rubin been practicing?
Dr. Rubin graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Gregory D. Rubin accept?
Dr. Rubin 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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