Dr. Joshua E. Rubin, MD
- Medicare services, 2024
- 403
- Medicare patients, 2024
- 299
- Part D claims, 2024
- 861
- Publications
- 4
- MIPS score, 2024
- 91
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
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. Joshua E. Rubin is a gastroenterologist in San Diego, California
Dr. Rubin practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Rubin's NPI, 1255610416, was assigned on August 5, 2011. Dr. Rubin graduated from Vanderbilt University School Of Medicine in 2010. Dr. Rubin's California license number on file is A120297.
- NPI
- 1255610416NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446490866
- NPI enumeration date
- August 5, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joshua E. Rubin practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Rubin's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joshua E. Rubin is affiliated with 2 sites of care and 1 medical group
Dr. Rubin's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Rubin is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joshua E. Rubin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rubin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest 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. Joshua E. Rubin is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Rubin's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rubin is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Rubin has a license on file in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, colonoscopy, gastroenteritis, gastrointestinal bleeding, hemorrhoids, intestinal diverticulosis, irritable bowel syndrome (IBS) and peptic ulcer among the conditions Dr. Rubin treats.
Gastroenterologists near Dr. Rubin
Counts of gastroenterologists 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. Joshua E. Rubin billed Medicare for 403 services in 2024
CMS data shows 403 Medicare services from Dr. Rubin across 10 procedure codes in 2024, for 299 Medicare patients. Medicare paid $49,931 for them.
Dr. Rubin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2312024: 2341%
- Office and hospital visits
- 2023: 1782024: 14717%
- Other services
- 2023: 452024: 2251%
Where Dr. Rubin's Medicare services took place, 2024
- In an office12732%
- In a facility27668%
Dr. Rubin compared with the California median for gastroenterologists, 2024
- Dr. Rubin
- California median
- Medicare services
- 403vs 58631% below
- Medicare patients
- 299vs 302Close to median
- Part D claims
- 749vs 38097% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Rubin'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.
Need commercial claims for Dr. Rubin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rubin and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joshua E. Rubin treated 299 Medicare patients in 2024, average age 70
CMS counts 299 Medicare patients who saw Dr. Rubin in 2024. The largest group is 65 to 74, with 169 patients. 69% of them have high cholesterol, and 57% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rubin's median patient age at 53, with 61% women.
Dr. Rubin's Medicare patients by age, 2024
Dr. Rubin's Medicare patients by sex, 2024
- Women17358%
- Men12642%
Chronic conditions among Dr. Rubin's Medicare patients, 2024
- High cholesterol69%
- High blood pressure57%
- Arthritis48%
- Mood disorders29%
- Anxiety27%
- Depression27%
- Osteoporosis22%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
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 53
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joshua E. Rubin wrote 861 Medicare Part D claims in 2024
In 2024, Dr. Rubin wrote 861 Medicare Part D claims for 377 patients. 81% of them were for generic drugs. CMS names the drug for 749 of them, across 16 drugs with 11 or more claims each, at $107,880 in total drug cost. In 2023, CMS named 628 claims across 15 drugs.
Dr. Rubin's Part D claims by kind of drug, 2024
- Generic700 claims81%
- Brand-name161 claims19%
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
- Antibiotics2%20 of 861 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: 6282024: 74919%
Drugs named by CMS: 16 in 2024, 15 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
Dr. Joshua E. Rubin scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Rubin for performance year 2024, reported as part of a group. Dr. Rubin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rubin as offering telehealth. CMS counts 75 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Rubin, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Rubin's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Rubin ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 71st percentile75 procedures
- Colonoscopy
- 71st percentile69 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joshua E. Rubin has 4 publications on record
Dmand AI links 4 papers to Dr. Rubin, published from 2009 to 2017. 2017 was the busiest year, with 2. Dr. Rubin's most frequent co-authors are Waseem Ahmad, MD, Ravi Chari, MD and Wilson T. Kwong, MD.
Dr. Rubin's most frequent co-authors
- Waseem Ahmad, MD1 shared paper
- Ravi Chari, MD1 shared paper
- Wilson T. Kwong, MD1 shared paper
Recent publications by Dr. Rubin
See who Dr. Rubin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rubin works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joshua E. Rubin received $238 in industry payments from 2016 to 2023
CMS Open Payments shows 7 general payments to Dr. Rubin from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 60% of the total. Janssen Pharmaceuticals, Inc paid the most, $94.
General payments to Dr. Rubin by program year, 2016 to 2023
General payments to Dr. Rubin by kind, 2016 to 2023
- Food and beverage$14460%
- Education$9440%
Companies that paid Dr. Rubin the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joshua E. Rubin graduated from Vanderbilt University School Of Medicine
Dr. Rubin graduated from Vanderbilt University School Of Medicine in 2010. Dr. Rubin is a member of AOA.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Joshua E. Rubin accepts plans from 13 insurance carriers
Dr. Rubin is in network with 13 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- Aetna
- Molina
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Rubin accepts, by number of carriers
- HMO8
- PPO8
- Medicare6
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Joshua E. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Joshua E. 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. Joshua E. Rubin's NPI number?
Dr. Joshua E. Rubin's NPI number is 1255610416. It was assigned on August 5, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Joshua E. Rubin?
Dr. Joshua E. Rubin is a gastroenterologist in San Diego, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Joshua E. Rubin practice?
Dr. Rubin practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Rubin's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. Joshua E. Rubin's office phone number?
The practice phone on file for Dr. Rubin is (619) 543-6222.
What is Dr. Joshua E. Rubin's medical license number?
Dr. Rubin's California license number on file is A120297.
Which hospitals is Dr. Joshua E. Rubin affiliated with?
Dr. Rubin is affiliated with Hillcrest Medical Center.
What medical group is Dr. Joshua E. Rubin part of?
Dr. Rubin is linked to UC San Diego Health.
Does Dr. Joshua E. Rubin accept Medicare?
Yes. CMS data shows Dr. Rubin billed Medicare for 403 services in 2024, and Dr. Rubin accepts Medicare assignment.
Does Dr. Joshua E. Rubin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rubin as offering telehealth services.
What is Dr. Joshua E. Rubin's MIPS score?
Dr. Rubin's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Joshua E. Rubin see?
CMS counts 299 Medicare patients who saw Dr. Rubin in 2024, with an average age of 70.
Is Dr. Joshua E. Rubin board certified?
Yes. Dr. Rubin is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Joshua E. Rubin bill to Medicare?
In 2024, Dr. Rubin's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (45380).
Where did Dr. Joshua E. Rubin go to medical school?
Dr. Rubin graduated from Vanderbilt University School Of Medicine in 2010.
What drugs does Dr. Joshua E. Rubin prescribe most?
In 2024 Medicare Part D data, Dr. Rubin's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Esomeprazole Magnesium.
Has Dr. Joshua E. Rubin received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to Dr. Rubin from 6 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Joshua E. Rubin been practicing?
Dr. Rubin graduated from medical school in 2010, 16 years ago.
Does Dr. Joshua E. Rubin do research?
Dmand AI links 4 publications to Dr. Rubin, published from 2009 to 2017.
Who does Dr. Joshua E. Rubin publish with?
Dr. Rubin's most frequent co-authors are Waseem Ahmad, MD (1 shared paper), Ravi Chari, MD (1 shared paper) and Wilson T. Kwong, MD (1 shared paper).
What insurance does Dr. Joshua E. Rubin accept?
Dr. Rubin is in network with 13 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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