Dr. Robert Melikian, MD
- Medicare services, 2024
- 1,849
- Medicare patients, 2024
- 273
- Part D claims, 2024
- 1,476
- MIPS score, 2024
- 26
- Hospital affiliations
- 3
- Practice address
- 3751 Katella Avenue, Los Alamitos, CA 90720
- Practice phone
- Call (562) 799-3220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Melikian's professional email, personal email and mobile number
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Dr. Robert Melikian is an internist in Los Alamitos, California
Dr. Melikian practices at UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine.
Dr. Melikian's NPI, 1811931017, was assigned on June 16, 2006. Dr. Melikian holds California license A49371.
- NPI
- 1811931017NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294851101
- NPI enumeration date
- June 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 799-3220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Melikian practices at UCI Health - Los Alamitos in Los Alamitos, California
Dr. Melikian's primary practice is UCI Health - Los Alamitos, at 3751 Katella Avenue, Los Alamitos, CA 90720 in Orange County. The practice phone is (562) 799-3220.
- UCI Health - Los Alamitos3751 Katella Avenue, Los Alamitos, CA 90720 · Orange CountyPhone(562) 799-3220
Source: Dmand AI Affiliation Data
Dr. Robert Melikian is affiliated with 5 sites of care
Dr. Melikian's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dr. Melikian is also affiliated with Kindred Hospital Westminster. Dmand AI also links Dr. Melikian to 1 more hospital, 1 home health agency and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Melikian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Melikian practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Los Alamitos | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Melikian is one of 16,751 internists in California
Internal medicine is Dr. Melikian's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Melikian is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Melikian
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. Robert Melikian billed Medicare for 1,849 services in 2024
CMS data shows 1,849 Medicare services from Dr. Melikian across 7 procedure codes in 2024, for 273 Medicare patients. Medicare paid $184,180 for them.
Dr. Melikian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,8142024: 1,79536%
- Tests and treatments
- 2023: 452024: 2740%
- Other services
- 2023: 322024: 2716%
Where Dr. Melikian's Medicare services took place, 2024
- In an office48326%
- In a facility1,36674%
Dr. Melikian compared with the California median for internists, 2024
- Dr. Melikian
- California median
- Medicare services
- 1,849vs 3615.1 times
- Medicare patients
- 273vs 15181% above
- Part D claims
- 1,124vs 4212.7 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Melikian'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. Robert Melikian treated 273 Medicare patients in 2024, average age 78
CMS counts 273 Medicare patients who saw Dr. Melikian in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Melikian's median patient age at 71, with 45% women.
Dr. Melikian's Medicare patients by age, 2024
Dr. Melikian's Medicare patients by sex, 2024
- Women13148%
- Men14252%
Chronic conditions among Dr. Melikian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Heart failure44%
- Diabetes43%
- Ischemic heart disease39%
- Atrial fibrillation37%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Melikian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Melikian wrote 1,476 Medicare Part D claims in 2024
In 2024, Dr. Melikian wrote 1,476 Medicare Part D claims for 137 patients. 89% of them were for generic drugs. CMS names the drug for 1,124 of them, across 39 drugs with 11 or more claims each, at $55,351 in total drug cost. In 2023, CMS named 1,314 claims across 45 drugs.
Dr. Melikian's Part D claims by kind of drug, 2024
- Generic1,307 claims89%
- Brand-name and other169 claims11%
Dr. Melikian'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. Melikian's Part D claims, 2024
- Opioids2%26 of 1,476 claims
- Antibiotics5%69 of 1,476 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: 1,3142024: 1,12414%
Drugs named by CMS: 39 in 2024, 45 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. Robert Melikian scored 26 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 26 out of 100 for Dr. Melikian for performance year 2024, reported individually. Dr. Melikian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Melikian's MIPS scores, performance year 2024
- 26of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 86of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert Melikian received $696 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Melikian from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Nuvasive, Inc. paid the most, $155.
General payments to Dr. Melikian by program year, 2016 to 2024
Companies that paid Dr. Melikian the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Melikian'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)Clinician Public Reporting: Overall MIPS Performance (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. Robert Melikian
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. Robert Melikian's NPI number?
Dr. Robert Melikian's NPI number is 1811931017. It was assigned on June 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Melikian?
Dr. Robert Melikian is an internist in Los Alamitos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Melikian practice?
Dr. Melikian practices at 3751 Katella Avenue, Los Alamitos, CA 90720. Dr. Melikian's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dmand AI also links Dr. Melikian to 1 hospital, 1 home health agency and 1 hospital outpatient department.
What is Dr. Robert Melikian's office phone number?
The practice phone on file for Dr. Melikian is (562) 799-3220.
What is Dr. Robert Melikian's medical license number?
Dr. Melikian holds California license A49371.
Which hospitals is Dr. Robert Melikian affiliated with?
Dr. Melikian practices at UCI Health - Los Alamitos in Los Alamitos, California. Dr. Melikian is also affiliated with Kindred Hospital Westminster. Dmand AI links Dr. Melikian to 1 more hospital.
Does Dr. Robert Melikian accept Medicare?
Yes. CMS data shows Dr. Melikian billed Medicare for 1,849 services in 2024, and Dr. Melikian accepts Medicare assignment.
What is Dr. Robert Melikian's MIPS score?
Dr. Melikian's MIPS final score for performance year 2024 is 26 out of 100, reported individually.
How many Medicare patients does Dr. Robert Melikian see?
CMS counts 273 Medicare patients who saw Dr. Melikian in 2024, with an average age of 78.
What services does Dr. Robert Melikian bill to Medicare?
In 2024, Dr. Melikian's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and office visit, established patient (99213).
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What drugs does Dr. Robert Melikian prescribe most?
In 2024 Medicare Part D data, Dr. Melikian's most prescribed drugs by claims were Levothyroxine Sodium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Robert Melikian received payments from drug or device companies?
CMS Open Payments shows $696 in general payments to Dr. Melikian from 17 companies from 2016 to 2024. The largest total came from Nuvasive, Inc.
How long has Dr. Robert Melikian been practicing?
Dr. Melikian graduated from medical school in 1984, 42 years ago.
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