Dr. Robin Arash Hatam, DO
- Part D claims, 2020
- 211
- Hospital affiliations
- 1
- Industry payments
- $624
- Medical group
- 1
- State licenses
- 3
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hatam'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. Robin Arash Hatam is an internist in Orange, California
Dr. Hatam practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Hatam's NPI, 1194053785, was assigned on November 20, 2009. Dr. Hatam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008. Dr. Hatam holds California license 20A11018.
- NPI
- 1194053785NPI Registry (opens in a new tab)
- NPI enumeration date
- November 20, 2009
- NPI status
- Active
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robin Arash Hatam practices at UCI Health - Orange in Orange, California
Dr. Hatam's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Robin Arash Hatam is affiliated with 2 sites of care and 1 medical group
Dr. Hatam's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Hatam 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 Arash Hatam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hatam practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | 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. Robin Arash Hatam is one of 16,751 internists in California
Internal medicine is Dr. Hatam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hatam is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Hatam's licenses on file in 3 states: California, Arizona and Virginia.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Arizona license
- Virginia license
Clinical focus
Dmand AI lists sepsis among the conditions Dr. Hatam treats.
Internists near Dr. Hatam
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. Robin Arash Hatam's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Hatam's median patient age at 73, with 62% women.
Dr. Hatam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Robin Arash Hatam wrote 211 Medicare Part D claims in 2020
In 2020, Dr. Hatam wrote 211 Medicare Part D claims. They cover 13 drugs, with $13,144 in total drug cost. In 2019, CMS named 853 claims across 32 drugs.
Dr. Hatam's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 8532020: 21175%
Drugs named by CMS: 13 in 2020, 32 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robin Arash Hatam received $624 in industry payments from 2016 to 2024
CMS Open Payments shows 5 general payments to Dr. Hatam from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 63% of the total. Abbott Laboratories paid the most, $233.
General payments to Dr. Hatam by program year, 2016 to 2024
General payments to Dr. Hatam by kind, 2016 to 2024
- Food and beverage$39163%
- Education$23337%
Companies that paid Dr. Hatam the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robin Arash Hatam graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Hatam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Robin Arash Hatam'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) |
| Industry payments | Open Payments (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 Arash Hatam
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 Arash Hatam's NPI number?
Dr. Robin Arash Hatam's NPI number is 1194053785. It was assigned on November 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Robin Arash Hatam?
Dr. Robin Arash Hatam is an internist in Orange, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robin Arash Hatam practice?
Dr. Hatam practices at 101 City Drive South, Orange, CA 92868. Dr. Hatam's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Hatam to 1 group practice or clinic.
What is Dr. Robin Arash Hatam's office phone number?
The practice phone on file for Dr. Hatam is (714) 456-7890.
What is Dr. Robin Arash Hatam's medical license number?
Dr. Hatam holds California license 20A11018, one of the licenses on file in 3 states.
Which states has Dr. Robin Arash Hatam been licensed in?
Dmand AI has state licenses on file for Dr. Hatam in California (2009 to 2026), Arizona and Virginia (2020 to 2022).
Which hospitals is Dr. Robin Arash Hatam affiliated with?
Dr. Hatam practices at UCI Health - Orange in Orange, California.
What medical group is Dr. Robin Arash Hatam part of?
Dr. Hatam is linked to Optum - Downtown Los Angeles.
Is Dr. Robin Arash Hatam board certified?
Yes. Dr. Hatam is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Robin Arash Hatam go to medical school?
Dr. Hatam graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008.
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What drugs does Dr. Robin Arash Hatam prescribe most?
In 2020 Medicare Part D data, Dr. Hatam's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Metoprolol Succinate.
Has Dr. Robin Arash Hatam received payments from drug or device companies?
CMS Open Payments shows $624 in general payments to Dr. Hatam from 5 companies from 2016 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. Robin Arash Hatam been practicing?
Dr. Hatam graduated from medical school in 2008, 18 years ago.
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