Dr. Jeffrey Michael Rebhun, MD
- Part D claims, 2024
- 98
- Hospital affiliations
- 1
- Industry payments
- $306
- Medical group
- 1
- State license
- 1
- Practice address
- 317 West Pueblo, Santa Barbara, CA 93105
- Practice phone
- Call (805) 681-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sansum Clinic
Surgery Center - Medicare-Certified · Santa Barbara, California
Find Dr. Rebhun'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. Jeffrey Michael Rebhun is a gastroenterologist in Santa Barbara, California
Dr. Rebhun practices at Sansum Clinic in Santa Barbara, California.
Dr. Rebhun's NPI, 1679032643, was assigned on March 18, 2019. Dr. Rebhun holds California license A200683.
- NPI
- 1679032643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032440458
- NPI enumeration date
- March 18, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 681-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Jeffrey Michael Rebhun practices at Sansum Clinic in Santa Barbara, California
Dr. Rebhun's primary practice is Sansum Clinic, at 317 West Pueblo, Santa Barbara, CA 93105. The practice phone is (805) 681-7500.
- Sansum Clinic317 West Pueblo, Santa Barbara, CA 93105Phone(805) 681-7500
Source: Dmand AI Affiliation Data
Dr. Jeffrey Michael Rebhun is affiliated with 2 sites of care and 1 medical group
Dr. Rebhun's primary practice is Sansum Clinic in Santa Barbara, California. Dr. Rebhun is also affiliated with Santa Barbara Cottage Hospital. The medical group on file is Sansum Clinic. Dr. Rebhun's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Michael Rebhun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rebhun practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sansum Clinic | 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. Jeffrey Michael Rebhun is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Rebhun's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rebhun is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Rebhun
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. Jeffrey Michael Rebhun's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Rebhun's median patient age at 61, with 56% women.
Dr. Rebhun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey Michael Rebhun wrote 98 Medicare Part D claims in 2024
In 2024, Dr. Rebhun wrote 98 Medicare Part D claims for 28 patients. 78% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $535 in total drug cost.
Dr. Rebhun's Part D claims by kind of drug, 2024
- Generic76 claims78%
- Brand-name22 claims22%
Dr. Rebhun'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.
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. Jeffrey Michael Rebhun ranks in the 85th percentile for colonoscopy in Medicare
Dr. Rebhun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rebhun as offering telehealth. CMS counts 124 procedures of colonoscopy by Dr. Rebhun, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Rebhun ranks in Medicare procedure volume
- Colonoscopy
- 85th percentile124 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile121 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jeffrey Michael Rebhun received $306 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to Dr. Rebhun from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $153.
General payments to Dr. Rebhun by program year, 2024 to 2025
Companies that paid Dr. Rebhun the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jeffrey Michael Rebhun'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jeffrey Michael Rebhun
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. Jeffrey Michael Rebhun's NPI number?
Dr. Jeffrey Michael Rebhun's NPI number is 1679032643. It was assigned on March 18, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Michael Rebhun?
Dr. Jeffrey Michael Rebhun is a gastroenterologist in Santa Barbara, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jeffrey Michael Rebhun practice?
Dr. Rebhun practices at 317 West Pueblo, Santa Barbara, CA 93105. Dr. Rebhun's primary practice is Sansum Clinic in Santa Barbara, California.
What is Dr. Jeffrey Michael Rebhun's office phone number?
The practice phone on file for Dr. Rebhun is (805) 681-7500.
What is Dr. Jeffrey Michael Rebhun's medical license number?
Dr. Rebhun holds California license A200683.
Which hospitals is Dr. Jeffrey Michael Rebhun affiliated with?
Dr. Rebhun is affiliated with Santa Barbara Cottage Hospital.
What medical group is Dr. Jeffrey Michael Rebhun part of?
Dr. Rebhun is linked to Sansum Clinic.
Does Dr. Jeffrey Michael Rebhun accept Medicare?
Yes. CMS lists Dr. Rebhun as accepting Medicare assignment.
Does Dr. Jeffrey Michael Rebhun offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rebhun as offering telehealth services.
What drugs does Dr. Jeffrey Michael Rebhun prescribe most?
In 2024 Medicare Part D data, Dr. Rebhun's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. Jeffrey Michael Rebhun received payments from drug or device companies?
CMS Open Payments shows $306 in general payments to Dr. Rebhun from 4 companies from 2024 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Jeffrey Michael Rebhun been practicing?
Dr. Rebhun graduated from medical school in 2018, 8 years ago.
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