Dr. Derek Marc Dobalian, MD
- Medicare services, 2024
- 42
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 931
- Hospital affiliations
- 1
- Industry payments
- $2,793
- Practice address
- 13222 Bloomfield Ave, Norwalk, CA 90650
- Practice phone
- Call (562) 863-4763
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Angeles Community Hospital of Norwalk
Norwalk, California
Find Dr. Dobalian'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. Derek Marc Dobalian is a gastroenterologist in Norwalk, California
Dr. Dobalian practices at Los Angeles Community Hospital of Norwalk in Norwalk, California.
Dr. Dobalian's NPI, 1235225467, was assigned on October 5, 2006. Dr. Dobalian graduated from Loma Linda University School Of Medicine in 1981. Dr. Dobalian's California license number on file is G48996.
- NPI
- 1235225467NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638339914
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 863-4763
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek Marc Dobalian practices at Los Angeles Community Hospital of Norwalk in Norwalk, California
Dr. Dobalian's primary practice is Los Angeles Community Hospital of Norwalk, at 13222 Bloomfield Ave, Norwalk, CA 90650 in Los Angeles County. The practice phone is (562) 863-4763.
- Los Angeles Community Hospital of Norwalk13222 Bloomfield Ave, Norwalk, CA 90650 · Los Angeles CountyPhone(562) 863-4763
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Derek Marc Dobalian is affiliated with 3 sites of care
Dr. Dobalian's primary practice is Los Angeles Community Hospital of Norwalk in Norwalk, California. Dr. Dobalian is also affiliated with Coast Plaza Hospital. Dmand AI also links Dr. Dobalian to 1 more physician office, 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. Derek Marc Dobalian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dobalian practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles Community Hospital of Norwalk | 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. Derek Marc Dobalian is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Dobalian's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Dobalian's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Maryland license
Clinical focus
Dmand AI lists acid reflux, colonoscopy, hemorrhoids and upper GI endoscopy among the conditions Dr. Dobalian treats.
Gastroenterologists near Dr. Dobalian
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. Derek Marc Dobalian billed Medicare for 42 services in 2024
CMS data shows 42 Medicare services from Dr. Dobalian across 1 procedure code in 2024, all of them office visits, for 35 Medicare patients. Medicare paid $6,258 for them. Every service was in an office.
Dr. Dobalian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 642024: 4234%
Dr. Dobalian compared with the California median for gastroenterologists, 2024
- Dr. Dobalian
- California median
- Medicare services
- 42vs 58693% below
- Medicare patients
- 35vs 30288% below
- Part D claims
- 638vs 38068% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Dobalian'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. Dobalian and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek Marc Dobalian treated 35 Medicare patients in 2024, average age 67
CMS counts 35 Medicare patients who saw Dr. Dobalian in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 2.32, 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. Dobalian's median patient age at 63, with 56% women.
Dr. Dobalian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dobalian's Medicare patients by sex, 2024
- Women2057%
- Men1543%
Chronic conditions among Dr. Dobalian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Diabetes57%
- Arthritis54%
- Chronic kidney disease46%
- Depression37%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dobalian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek Marc Dobalian wrote 931 Medicare Part D claims in 2024
In 2024, Dr. Dobalian wrote 931 Medicare Part D claims for 104 patients. 77% of them were for generic drugs. CMS names the drug for 638 of them, across 27 drugs with 11 or more claims each, at $19,329 in total drug cost. In 2023, CMS named 631 claims across 27 drugs.
Dr. Dobalian's Part D claims by kind of drug, 2024
- Generic717 claims77%
- Brand-name and other214 claims23%
Dr. Dobalian'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. Dobalian's Part D claims, 2024
- Opioids3%27 of 931 claims
- Antibiotics5%45 of 931 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: 6312024: 6381%
Drugs named by CMS: 27 in 2024, 27 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. Derek Marc Dobalian offers telehealth to Medicare patients
Dr. Dobalian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dobalian as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Derek Marc Dobalian received $2,793 in industry payments from 2016 to 2023
CMS Open Payments shows 291 general payments to Dr. Dobalian from 13 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $2,317.
General payments to Dr. Dobalian by program year, 2016 to 2023
Companies that paid Dr. Dobalian the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek Marc Dobalian graduated from Loma Linda University School Of Medicine
Dr. Dobalian graduated from Loma Linda University School Of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Derek Marc Dobalian accepts plans from 15 insurance carriers
Dr. Dobalian is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Dobalian accepts, by number of carriers
- Medicare9
- PPO9
- HMO8
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Derek Marc Dobalian'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)Doctors and Clinicians Utilization Data (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 |
| 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. Derek Marc Dobalian
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. Derek Marc Dobalian's NPI number?
Dr. Derek Marc Dobalian's NPI number is 1235225467. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek Marc Dobalian?
Dr. Derek Marc Dobalian is a gastroenterologist in Norwalk, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Derek Marc Dobalian practice?
Dr. Dobalian practices at 13222 Bloomfield Ave, Norwalk, CA 90650. Dr. Dobalian's primary practice is Los Angeles Community Hospital of Norwalk in Norwalk, California. Dmand AI also links Dr. Dobalian to 1 physician office.
What is Dr. Derek Marc Dobalian's office phone number?
The practice phone on file for Dr. Dobalian is (562) 863-4763.
What is Dr. Derek Marc Dobalian's medical license number?
Dr. Dobalian's California license number on file is G48996, one of the licenses on file in 2 states.
Which states has Dr. Derek Marc Dobalian been licensed in?
Dmand AI has state licenses on file for Dr. Dobalian in California (1982 to 2025) and Maryland (1985 to 1988).
Which hospitals is Dr. Derek Marc Dobalian affiliated with?
Dr. Dobalian is affiliated with Coast Plaza Hospital.
Does Dr. Derek Marc Dobalian accept Medicare?
Yes. CMS data shows Dr. Dobalian billed Medicare for 42 services in 2024, and Dr. Dobalian accepts Medicare assignment.
Does Dr. Derek Marc Dobalian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dobalian as offering telehealth services.
How many Medicare patients does Dr. Derek Marc Dobalian see?
CMS counts 35 Medicare patients who saw Dr. Dobalian in 2024, with an average age of 67.
Show 6 more questionsShow fewer questions
What services does Dr. Derek Marc Dobalian bill to Medicare?
In 2024, Dr. Dobalian's most billed Medicare services were office visit, established patient (99215).
Where did Dr. Derek Marc Dobalian go to medical school?
Dr. Dobalian graduated from Loma Linda University School Of Medicine in 1981.
What drugs does Dr. Derek Marc Dobalian prescribe most?
In 2024 Medicare Part D data, Dr. Dobalian's most prescribed drugs by claims were Pantoprazole Sodium, Atorvastatin Calcium and Famotidine.
Has Dr. Derek Marc Dobalian received payments from drug or device companies?
CMS Open Payments shows $2,793 in general payments to Dr. Dobalian from 13 companies from 2016 to 2023. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Derek Marc Dobalian been practicing?
Dr. Dobalian graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Derek Marc Dobalian accept?
Dr. Dobalian is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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