Benjamin G. Hassid
- Part D claims, 2024
- 581
- Publications
- 15
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 380 West MacArthur Boulevard, Oakland, CA 94609
- Practice phone
- Call (510) 251-0121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Addiction Medicine & Recovery Services at Oakland Medical Center
Outpatient Addiction Treatment · Oakland, California
Find Benjamin Hassid'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.
Benjamin G. Hassid is an internist in Oakland, California
Benjamin Hassid practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
Benjamin Hassid's NPI, 1679899710, was assigned on April 14, 2010. Benjamin Hassid graduated from Vagelos College of Physicians and Surgeons in 2010. Benjamin Hassid holds California license A125570.
- NPI
- 1679899710NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022306257
- NPI enumeration date
- April 14, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 251-0121
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin G. Hassid practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California
Benjamin Hassid's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.
- Addiction Medicine & Recovery Services at Oakland Medical Center380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121
Source: Dmand AI Affiliation Data
Benjamin G. Hassid is affiliated with 3 sites of care and 1 medical group
Benjamin Hassid's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Benjamin Hassid is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Benjamin Hassid to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Benjamin G. Hassid's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Hassid practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Addiction Medicine & Recovery Services at Oakland Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin G. Hassid is one of 16,751 internists in California
Internal medicine is Benjamin Hassid's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Benjamin Hassid is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Benjamin Hassid's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists colonoscopy and gastrointestinal bleeding among the conditions Benjamin Hassid treats.
Internists near Benjamin Hassid
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
Benjamin G. Hassid's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Benjamin Hassid's median patient age at 57, with 51% women.
Benjamin Hassid's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women51%
- Men46%
Source: Dmand AI Patient Panel Data
Benjamin G. Hassid wrote 581 Medicare Part D claims in 2024
In 2024, Benjamin Hassid wrote 581 Medicare Part D claims for 186 patients. 76% of them were for generic drugs. CMS names the drug for 476 of them, across 17 drugs with 11 or more claims each, at $404,658 in total drug cost. In 2023, CMS named 627 claims across 16 drugs.
Benjamin Hassid's Part D claims by kind of drug, 2024
- Generic443 claims76%
- Brand-name138 claims24%
Benjamin Hassid'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 Benjamin Hassid's Part D claims, 2024
- Antibiotics8%48 of 581 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: 6272024: 47624%
Drugs named by CMS: 17 in 2024, 16 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 Benjamin G. Hassid takes part in Medicare
Benjamin Hassid accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Benjamin G. Hassid has 15 publications on record
Dmand AI links 15 papers to Benjamin Hassid, published from 2006 to 2016. 2008 was the busiest year, with 3. The most frequent topics are Neurons, Brain Ischemia and Disease Models, Animal. Benjamin Hassid has published most often in Dig Dis Sci. Benjamin Hassid's most frequent co-authors are Andrew Frederick Ducruet, MD, Ricardo Jorge Komotar, MD and William Jacob Mack, MD.
Benjamin Hassid's papers by year, 2006 to 2016
Topics Benjamin Hassid writes about most
- Neurons
- Brain Ischemia
- Disease Models, Animal
- Mice, Inbred C57BL
- Stroke
- Celiac Disease
- Granulocytes
- Inflammation
Benjamin Hassid's most frequent co-authors
- Andrew Frederick Ducruet, MD7 shared papers
- Ricardo Jorge Komotar, MD6 shared papers
- William Jacob Mack, MD5 shared papers
Recent publications by Benjamin Hassid
J Clin Neurosci
J Cereb Blood Flow Metab
See who Benjamin Hassid researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Benjamin Hassid works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Benjamin G. Hassid graduated from Vagelos College of Physicians and Surgeons
Benjamin Hassid graduated from Vagelos College of Physicians and Surgeons in 2010.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Benjamin G. Hassid accepts plans from 2 insurance carriers
Benjamin Hassid 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 Benjamin Hassid accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Benjamin G. Hassid'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)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 |
| 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 Benjamin G. Hassid
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin G. Hassid's NPI number?
Benjamin G. Hassid's NPI number is 1679899710. It was assigned on April 14, 2010, and it is active in the NPI Registry.
What does Benjamin G. Hassid specialize in?
Benjamin G. Hassid is an internist in Oakland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Benjamin G. Hassid practice?
Benjamin Hassid practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Benjamin Hassid's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dmand AI also links Benjamin Hassid to 1 group practice or clinic.
What is Benjamin G. Hassid's office phone number?
The practice phone on file for Benjamin Hassid is (510) 251-0121.
What is Benjamin G. Hassid's medical license number?
Benjamin Hassid holds California license A125570, one of the licenses on file in 2 states.
Which states has Benjamin G. Hassid been licensed in?
Dmand AI has state licenses on file for Benjamin Hassid in California (2013 to 2027) and New York (2012 to 2014).
Which hospitals is Benjamin G. Hassid affiliated with?
Benjamin Hassid is affiliated with Oakland Medical Center.
What medical group is Benjamin G. Hassid part of?
Benjamin Hassid is linked to The Permanente Medical Group, Inc.
Does Benjamin G. Hassid accept Medicare?
Yes. CMS lists Benjamin Hassid as accepting Medicare assignment.
Is Benjamin G. Hassid board certified?
Yes. Benjamin Hassid is board certified in gastroenterology by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
Where did Benjamin G. Hassid go to medical school?
Benjamin Hassid graduated from Vagelos College of Physicians and Surgeons in 2010.
What drugs does Benjamin G. Hassid prescribe most?
In 2024 Medicare Part D data, Benjamin Hassid's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Mesalamine.
How long has Benjamin G. Hassid been practicing?
Benjamin Hassid graduated from medical school in 2010, 16 years ago.
Does Benjamin G. Hassid do research?
Dmand AI links 15 publications to Benjamin Hassid, published from 2006 to 2016.
Who does Benjamin G. Hassid publish with?
Benjamin Hassid's most frequent co-authors are Andrew Frederick Ducruet, MD (7 shared papers), Ricardo Jorge Komotar, MD (6 shared papers) and William Jacob Mack, MD (5 shared papers).
What insurance does Benjamin G. Hassid accept?
Benjamin Hassid 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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