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Dr. Shant Tomassian, MD
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 5,796
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 3800 Kilroy Airport Way, Long Beach, CA 90806
- Practice phone
- Call (626) 963-0900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Shant Tomassian MD Inc
Long Beach, California
Find Dr. Tomassian'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. Shant Tomassian is a family medicine physician in Long Beach, California
Dr. Tomassian practices at Shant Tomassian MD Inc in Long Beach, California.
Dr. Tomassian's NPI, 1215594692, was assigned on May 21, 2019. Dr. Tomassian graduated from St. George's University School of Medicine in 2018. Dr. Tomassian holds California license A179858.
- NPI
- 1215594692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012391204
- NPI enumeration date
- May 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 963-0900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shant Tomassian practices at Shant Tomassian MD Inc in Long Beach, California
Dr. Tomassian's primary practice is Shant Tomassian MD Inc, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (626) 963-0900.
- Shant Tomassian MD Inc3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(626) 963-0900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Shant Tomassian is affiliated with 14 sites of care and 1 medical group
Dr. Tomassian's primary practice is Shant Tomassian MD Inc in Long Beach, California. Dr. Tomassian is also affiliated with Emanate Health Inter-Community Hospital. The medical group on file is Shant Tomassian MD. Dmand AI also links Dr. Tomassian to 3 more hospitals, 4 home health agencies, 3 skilled nursing facilities, 1 group practice or clinic and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Shant Tomassian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomassian practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shant Tomassian MD Inc | Available with a free account |
| +13 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shant Tomassian is one of 15,680 family medicine physicians in California
Family medicine is Dr. Tomassian's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Tomassian is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists electrolyte disorders, kidney failure and sepsis among the conditions Dr. Tomassian treats.
Family medicine physicians near Dr. Tomassian
Counts of family medicine physicians 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. Shant Tomassian billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Dr. Tomassian across 6 procedure codes in 2024, for 44 Medicare patients. Medicare paid $25,578 for them.
Where Dr. Tomassian's Medicare services took place, 2024
- In an office14447%
- In a facility16053%
Dr. Tomassian compared with the California median for family medicine physicians, 2024
- Dr. Tomassian
- California median
- Medicare services
- 304vs 24624% above
- Medicare patients
- 44vs 11863% below
- Part D claims
- 5,368vs 8336.4 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tomassian'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. Tomassian and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shant Tomassian treated 44 Medicare patients in 2024, average age 82
CMS counts 44 Medicare patients who saw Dr. Tomassian in 2024. The largest group is 85 and over, with 19 patients. 75% of them have arthritis, and 75% have high blood pressure. 61% are also on Medicaid. Their average risk score is 3.11, 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. Tomassian's median patient age at 61, with 55% women.
Dr. Tomassian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tomassian's Medicare patients by sex, 2024
- Women3170%
- Men1330%
Chronic conditions among Dr. Tomassian's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Ischemic heart disease57%
- Atrial fibrillation50%
- Chronic kidney disease50%
- Heart failure50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tomassian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shant Tomassian wrote 5,796 Medicare Part D claims in 2024
In 2024, Dr. Tomassian wrote 5,796 Medicare Part D claims for 176 patients. 87% of them were for generic drugs. CMS names the drug for 5,368 of them, across 79 drugs with 11 or more claims each, at $112,555 in total drug cost. In 2023, CMS named 3,565 claims across 70 drugs.
Dr. Tomassian's Part D claims by kind of drug, 2024
- Generic5,066 claims87%
- Brand-name675 claims12%
- Other55 claims1%
Dr. Tomassian'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. Tomassian's Part D claims, 2024
- Opioids0%14 of 5,796 claims
- Antibiotics2%89 of 5,796 claims
- Antipsychotics, patients 65 and over1%33 of 5,796 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: 3,5652024: 5,36851%
Drugs named by CMS: 79 in 2024, 70 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
How Dr. Shant Tomassian takes part in Medicare
Dr. Tomassian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Shant Tomassian has 1 publication on record
Dmand AI links 1 paper to Dr. Tomassian in 2021. Dr. Tomassian's most frequent co-authors are Katelyn Mae Atkins, MD, Andrew Eugene Hendifar, MD, MPH and Katrina Jessica Lin, MD.
Dr. Tomassian's most frequent co-authors
- Katelyn Mae Atkins, MD1 shared paper
- Andrew Eugene Hendifar, MD, MPH1 shared paper
- Katrina Jessica Lin, MD1 shared paper
Recent publications by Dr. Tomassian
See who Dr. Tomassian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tomassian works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Shant Tomassian received $1,554 in industry payments from 2022 to 2025
CMS Open Payments shows 63 general payments to Dr. Tomassian from 23 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Kowa Pharmaceuticals America, Inc. paid the most, $191.
General payments to Dr. Tomassian by program year, 2022 to 2025
Companies that paid Dr. Tomassian the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shant Tomassian graduated from St. George's University School of Medicine
Dr. Tomassian graduated from St. George's University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Shant Tomassian accepts plans from 6 insurance carriers
Dr. Tomassian is in network with 6 carriers, including Aetna, Elevance and LA Care. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- LA Care
- CMS Medicare
- Humana
- Molina
Plan types Dr. Tomassian accepts, by number of carriers
- Medicare5
- HMO4
- POS2
- EPO1
- Medicaid1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Shant Tomassian'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 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. Shant Tomassian
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. Shant Tomassian's NPI number?
Dr. Shant Tomassian's NPI number is 1215594692. It was assigned on May 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Shant Tomassian?
Dr. Shant Tomassian is a family medicine physician in Long Beach, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Shant Tomassian practice?
Dr. Tomassian practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. Dr. Tomassian's primary practice is Shant Tomassian MD Inc in Long Beach, California. Dmand AI also links Dr. Tomassian to 3 hospitals, 4 home health agencies, 3 skilled nursing facilities, 1 group practice or clinic and 1 hospice.
What is Dr. Shant Tomassian's office phone number?
The practice phone on file for Dr. Tomassian is (626) 963-0900.
What is Dr. Shant Tomassian's medical license number?
Dr. Tomassian holds California license A179858.
Which hospitals is Dr. Shant Tomassian affiliated with?
Dr. Tomassian is affiliated with Emanate Health Inter-Community Hospital. Dmand AI links Dr. Tomassian to 3 more hospitals.
What medical group is Dr. Shant Tomassian part of?
Dr. Tomassian is linked to Shant Tomassian MD.
Does Dr. Shant Tomassian accept Medicare?
Yes. CMS data shows Dr. Tomassian billed Medicare for 304 services in 2024, and Dr. Tomassian accepts Medicare assignment.
How many Medicare patients does Dr. Shant Tomassian see?
CMS counts 44 Medicare patients who saw Dr. Tomassian in 2024, with an average age of 82.
What services does Dr. Shant Tomassian bill to Medicare?
In 2024, Dr. Tomassian's most billed Medicare services were hospital inpatient care (99233), nursing facility care (99308) and nursing facility care (99309).
Show 7 more questionsShow fewer questions
Where did Dr. Shant Tomassian go to medical school?
Dr. Tomassian graduated from St. George's University School of Medicine in 2018.
What drugs does Dr. Shant Tomassian prescribe most?
In 2024 Medicare Part D data, Dr. Tomassian's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. Shant Tomassian received payments from drug or device companies?
CMS Open Payments shows $1,554 in general payments to Dr. Tomassian from 23 companies from 2022 to 2025. The largest total came from Kowa Pharmaceuticals America, Inc.
How long has Dr. Shant Tomassian been practicing?
Dr. Tomassian graduated from medical school in 2018, 8 years ago.
Does Dr. Shant Tomassian do research?
Dmand AI links 1 publication to Dr. Tomassian.
Who does Dr. Shant Tomassian publish with?
Dr. Tomassian's most frequent co-authors are Katelyn Mae Atkins, MD (1 shared paper), Andrew Eugene Hendifar, MD, MPH (1 shared paper) and Katrina Jessica Lin, MD (1 shared paper).
What insurance does Dr. Shant Tomassian accept?
Dr. Tomassian is in network with 6 carriers, including Aetna, Elevance and LA Care. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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