Dr. Amartej Merla, MD
- Medicare services, 2024
- 59,378
- Medicare patients, 2024
- 700
- Part D claims, 2024
- 688
- Publications
- 12
- Hospital affiliations
- 4
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (626) 256-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Merla'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. Amartej Merla is a hematologist and oncologist in Duarte, California
Dr. Merla practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Merla's NPI, 1902097744, was assigned on August 7, 2007. Dr. Merla graduated from Andhra Medical College NTR in 2002. Dr. Merla holds California license 143527.
- NPI
- 1902097744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840339370
- NPI enumeration date
- August 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 256-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amartej Merla practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Merla's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (626) 256-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Amartej Merla is affiliated with 7 sites of care and 1 medical group
Dr. Merla's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Merla is also affiliated with Antelope Valley Medical Center. The medical group on file is City of Hope. Dmand AI also links Dr. Merla to 3 more hospitals, 1 group practice or clinic and 1 other site, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amartej Merla's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merla practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amartej Merla is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Merla's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Merla is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Merla's licenses on file in 5 states: California, New York, New Jersey, Missouri and Pennsylvania.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
- New York license
- New Jersey license
- Missouri license
- Pennsylvania license
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), fluid and electrolyte imbalances, lung cancer and lymphoma among the conditions Dr. Merla treats.
Hematologists and oncologists near Dr. Merla
Counts of hematologists and oncologists 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. Amartej Merla billed Medicare for 59,378 services in 2024
CMS data shows 59,378 Medicare services from Dr. Merla across 38 procedure codes in 2024, for 700 Medicare patients. Medicare paid $923,366 for them.
Dr. Merla's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 31,3452024: 56,49880%
- Office and hospital visits
- 2023: 1,3252024: 1,4127%
- Tests and treatments
- 2023: 9282024: 1,25335%
- Other services
- 2023: 02024: 184
- Surgery
- 2023: 02024: 31
Where Dr. Merla's Medicare services took place, 2024
- In an office59,214100%
- In a facility1640%
Dr. Merla compared with the California median for hematologists and oncologists, 2024
- Dr. Merla
- California median
- Medicare services
- 59,378vs 93263.7 times
- Medicare patients
- 700vs 2253.1 times
- Part D claims
- 452vs 39415% above
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Merla'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merla and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amartej Merla treated 700 Medicare patients in 2024, average age 73
CMS counts 700 Medicare patients who saw Dr. Merla in 2024. The largest group is 65 to 74, with 307 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.16, 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. Merla's median patient age at 69, with 52% women.
Dr. Merla's Medicare patients by age, 2024
Dr. Merla's Medicare patients by sex, 2024
- Women36853%
- Men33247%
Chronic conditions among Dr. Merla's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Cancer52%
- Diabetes42%
- Ischemic heart disease33%
- COPD31%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merla's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amartej Merla wrote 688 Medicare Part D claims in 2024
In 2024, Dr. Merla wrote 688 Medicare Part D claims for 132 patients. 79% of them were for generic drugs. CMS names the drug for 452 of them, across 14 drugs with 11 or more claims each, at $723,120 in total drug cost. In 2023, CMS named 357 claims across 15 drugs.
Dr. Merla's Part D claims by kind of drug, 2024
- Generic543 claims79%
- Brand-name145 claims21%
Dr. Merla'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. Merla's Part D claims, 2024
- Opioids4%27 of 688 claims
- Antibiotics2%11 of 688 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: 3572024: 45227%
Drugs named by CMS: 14 in 2024, 15 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. Amartej Merla offers telehealth to Medicare patients
Dr. Merla accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Merla as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Amartej Merla has 12 publications on record
Dmand AI links 12 papers to Dr. Merla, published from 2012 to 2023. 2022 was the busiest year, with 3. The most frequent topics are Lung Neoplasms, Molecular Targeted Therapy and Tobacco Use Disorder. Dr. Merla has published most often in J Clin Med. Dr. Merla's most frequent co-authors are Tingting Tan, MD, PhD, Cary A. Presant, MD and Arya Amini, MD.
Dr. Merla's papers by year, 2012 to 2023
Topics Dr. Merla writes about most
- Lung Neoplasms
- Molecular Targeted Therapy
- Tobacco Use Disorder
Dr. Merla's most frequent co-authors
Recent publications by Dr. Merla
Cancer Causes Control
See who Dr. Merla researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Merla works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amartej Merla received $5,563 in industry payments from 2016 to 2024
CMS Open Payments shows 149 general payments to Dr. Merla from 29 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 55% of the total. Celgene Corporation paid the most, $2,462.
General payments to Dr. Merla by program year, 2016 to 2024
General payments to Dr. Merla by kind, 2016 to 2024
- Food and beverage$3,04855%
- Consulting fees$1,50027%
- Travel and lodging$74813%
- Education$2675%
Companies that paid Dr. Merla 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. Amartej Merla graduated from Andhra Medical College NTR
Dr. Merla graduated from Andhra Medical College NTR in 2002.
- Medical school
- Board certified in hematology
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Amartej Merla accepts plans from 12 insurance carriers
Dr. Merla is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- Molina
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Merla accepts, by number of carriers
- HMO7
- PPO7
- Medicare6
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Amartej Merla'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. Amartej Merla
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. Amartej Merla's NPI number?
Dr. Amartej Merla's NPI number is 1902097744. It was assigned on August 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Amartej Merla?
Dr. Amartej Merla is a hematologist and oncologist in Duarte, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Amartej Merla practice?
Dr. Merla practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Merla's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Merla to 3 hospitals, 1 group practice or clinic and 1 other site.
What is Dr. Amartej Merla's office phone number?
The practice phone on file for Dr. Merla is (626) 256-4673.
What is Dr. Amartej Merla's medical license number?
Dr. Merla holds California license 143527, one of the licenses on file in 5 states.
Which states has Dr. Amartej Merla been licensed in?
Dmand AI has state licenses on file for Dr. Merla in California (2016 to 2026), New York (2010 to 2016), New Jersey (2010 to 2013), Missouri (2009 to 2011) and Pennsylvania (2006 to 2009).
Which hospitals is Dr. Amartej Merla affiliated with?
Dr. Merla is affiliated with Antelope Valley Medical Center. Dmand AI links Dr. Merla to 3 more hospitals.
What medical group is Dr. Amartej Merla part of?
Dr. Merla is linked to City of Hope.
Does Dr. Amartej Merla accept Medicare?
Yes. CMS data shows Dr. Merla billed Medicare for 59,378 services in 2024, and Dr. Merla accepts Medicare assignment.
Does Dr. Amartej Merla offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Merla as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Amartej Merla see?
CMS counts 700 Medicare patients who saw Dr. Merla in 2024, with an average age of 73.
Is Dr. Amartej Merla board certified?
Yes. Dr. Merla is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Amartej Merla bill to Medicare?
In 2024, Dr. Merla's most billed Medicare services were injected or infused drug (J1439), injected or infused drug (J9271) and injected or infused drug (J0185).
Where did Dr. Amartej Merla go to medical school?
Dr. Merla graduated from Andhra Medical College NTR in 2002.
What drugs does Dr. Amartej Merla prescribe most?
In 2024 Medicare Part D data, Dr. Merla's most prescribed drugs by claims were Prednisone, Abiraterone Acetate and Ondansetron HCl.
Has Dr. Amartej Merla received payments from drug or device companies?
CMS Open Payments shows $5,563 in general payments to Dr. Merla from 29 companies from 2016 to 2024. The largest total came from Celgene Corporation.
How long has Dr. Amartej Merla been practicing?
Dr. Merla graduated from medical school in 2002, 24 years ago.
Does Dr. Amartej Merla do research?
Dmand AI links 12 publications to Dr. Merla, published from 2012 to 2023.
Who does Dr. Amartej Merla publish with?
Dr. Merla's most frequent co-authors are Tingting Tan, MD, PhD (5 shared papers), Cary A. Presant, MD (3 shared papers) and Arya Amini, MD (2 shared papers).
What insurance does Dr. Amartej Merla accept?
Dr. Merla is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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