Dr. Robin Abraham Zachariah, MD
- Medicare services, 2024
- 274
- Medicare patients, 2024
- 233
- Part D claims, 2024
- 184
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zachariah's professional email, personal email and mobile number
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Dr. Robin Abraham Zachariah is a gastroenterologist in Durham, North Carolina
Dr. Zachariah practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Zachariah's NPI, 1992125025, was assigned on April 16, 2014. Dr. Zachariah graduated from Commonwealth Medical College in 2014. Dr. Zachariah holds California license 148004.
- NPI
- 1992125025NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688948649
- NPI enumeration date
- April 16, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robin Abraham Zachariah practices at Duke University Hospital in Durham, North Carolina
Dr. Zachariah's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. Robin Abraham Zachariah is affiliated with 3 sites of care and 1 medical group
Dr. Zachariah's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dr. Zachariah is also affiliated with Duke Regional Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Zachariah 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 Dr. Robin Abraham Zachariah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zachariah practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robin Abraham Zachariah is one of 590 gastroenterologists in North Carolina
Gastroenterology is Dr. Zachariah's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Zachariah's licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Student in an organized health care education/training program, Ohio
Gastroenterologists near Dr. Zachariah
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. Robin Abraham Zachariah billed Medicare for 274 services in 2024
CMS data shows 274 Medicare services from Dr. Zachariah across 9 procedure codes in 2024, for 233 Medicare patients. Medicare paid $22,350 for them.
Dr. Zachariah's Medicare services by type, 2024
- Surgery97
- Tests and treatments73
- Office and hospital visits64
- Other services40
Where Dr. Zachariah's Medicare services took place, 2024
- In an office8330%
- In a facility19170%
Dr. Zachariah compared with the North Carolina median for gastroenterologists, 2024
- Dr. Zachariah
- North Carolina median
- Medicare services
- 274vs 43837% below
- Medicare patients
- 233vs 26813% below
- Part D claims
- 114vs 40272% below
Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Zachariah'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robin Abraham Zachariah treated 233 Medicare patients in 2024, average age 70
CMS counts 233 Medicare patients who saw Dr. Zachariah in 2024. The largest group is 65 to 74, with 137 patients. 67% of them have high blood pressure, and 66% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zachariah's median patient age at 67, with 60% women.
Dr. Zachariah's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zachariah's Medicare patients by sex, 2024
- Women14462%
- Men8938%
Chronic conditions among Dr. Zachariah's Medicare patients, 2024
- High blood pressure67%
- High cholesterol66%
- Arthritis43%
- Diabetes31%
- Chronic kidney disease30%
- Mood disorders26%
- Depression24%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zachariah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robin Abraham Zachariah wrote 184 Medicare Part D claims in 2024
In 2024, Dr. Zachariah wrote 184 Medicare Part D claims for 109 patients. 74% of them were for generic drugs. CMS names the drug for 114 of them, across 4 drugs with 11 or more claims each, at $23,190 in total drug cost.
Dr. Zachariah's Part D claims by kind of drug, 2024
- Generic136 claims74%
- Brand-name48 claims26%
Dr. Zachariah'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. Robin Abraham Zachariah ranks in the 74th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Zachariah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zachariah as offering telehealth. CMS counts 91 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Zachariah, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Zachariah ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 74th percentile91 procedures
- Colonoscopy
- 66th percentile57 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. Robin Abraham Zachariah graduated from Commonwealth Medical College
Dr. Zachariah graduated from Commonwealth Medical College in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robin Abraham Zachariah'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Robin Abraham Zachariah
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. Robin Abraham Zachariah's NPI number?
Dr. Robin Abraham Zachariah's NPI number is 1992125025. It was assigned on April 16, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Robin Abraham Zachariah?
Dr. Robin Abraham Zachariah is a gastroenterologist in Durham, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robin Abraham Zachariah practice?
Dr. Zachariah practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Zachariah's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Zachariah to 1 group practice or clinic.
What is Dr. Robin Abraham Zachariah's office phone number?
The practice phone on file for Dr. Zachariah is (919) 684-8111.
What is Dr. Robin Abraham Zachariah's medical license number?
Dr. Zachariah holds California license 148004, one of the licenses on file in 2 states.
Which states has Dr. Robin Abraham Zachariah been licensed in?
Dmand AI has state licenses on file for Dr. Zachariah in California and Ohio.
Which hospitals is Dr. Robin Abraham Zachariah affiliated with?
Dr. Zachariah practices at Duke University Hospital in Durham, North Carolina. Dr. Zachariah is also affiliated with Duke Regional Hospital.
What medical group is Dr. Robin Abraham Zachariah part of?
Dr. Zachariah is linked to Duke Health Integrated Practice.
Does Dr. Robin Abraham Zachariah accept Medicare?
Yes. CMS data shows Dr. Zachariah billed Medicare for 274 services in 2024, and Dr. Zachariah accepts Medicare assignment.
Does Dr. Robin Abraham Zachariah offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zachariah as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Robin Abraham Zachariah see?
CMS counts 233 Medicare patients who saw Dr. Zachariah in 2024, with an average age of 70.
What services does Dr. Robin Abraham Zachariah bill to Medicare?
In 2024, Dr. Zachariah's most billed Medicare services were surgery: digestive system (45385), digestive system test (91065) and medicare service (G0500).
Where did Dr. Robin Abraham Zachariah go to medical school?
Dr. Zachariah graduated from Commonwealth Medical College in 2014.
What drugs does Dr. Robin Abraham Zachariah prescribe most?
In 2024 Medicare Part D data, Dr. Zachariah's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Linzess.
How long has Dr. Robin Abraham Zachariah been practicing?
Dr. Zachariah graduated from medical school in 2014, 12 years ago.
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