Dr. Raffi Tachdjian, MD
- Medicare services, 2024
- 13,386
- Medicare patients, 2024
- 194
- Part D claims, 2024
- 81
- Publications
- 39
- Clinical trials
- 6
- Practice address
- 1301 20th St, Santa Monica, CA 90404
- Practice phone
- Call (310) 453-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pacific Coast Plastic Surgery Center, Inc
Santa Monica, California
Find Dr. Tachdjian'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. Raffi Tachdjian is an allergist and immunologist in Santa Monica, California
Dr. Tachdjian practices at Pacific Coast Plastic Surgery Center, Inc in Santa Monica, California.
Dr. Tachdjian's NPI, 1447376454, was assigned on March 21, 2007. Dr. Tachdjian graduated from Morehouse School Of Medicine in 2001. Dr. Tachdjian holds California license A88034.
- NPI
- 1447376454NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163529926
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (310) 453-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raffi Tachdjian practices at Pacific Coast Plastic Surgery Center, Inc in Santa Monica, California
Dr. Tachdjian's primary practice is Pacific Coast Plastic Surgery Center, Inc, at 1301 20th St, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 453-2733.
- Pacific Coast Plastic Surgery Center, Inc1301 20th St, Santa Monica, CA 90404 · Los Angeles CountyPhone(310) 453-2733
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raffi Tachdjian is affiliated with 4 sites of care and 1 medical group
Dr. Tachdjian's primary practice is Pacific Coast Plastic Surgery Center, Inc in Santa Monica, California. The medical group on file is UCLA Health. Dmand AI also links Dr. Tachdjian to 1 more physician office, 1 group practice or clinic and 1 home health agency, 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. Raffi Tachdjian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tachdjian practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pacific Coast Plastic Surgery Center, Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raffi Tachdjian is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Tachdjian's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Tachdjian is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dr. Tachdjian is licensed in California.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, chronic sinusitis, hives and immune deficiency disease among the conditions Dr. Tachdjian treats.
Allergists and immunologists near Dr. Tachdjian
Counts of allergists and immunologists 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. Raffi Tachdjian billed Medicare for 13,386 services in 2024
CMS data shows 13,386 Medicare services from Dr. Tachdjian across 11 procedure codes in 2024, for 194 Medicare patients. Medicare paid $133,699 for them. Every service was in an office.
Dr. Tachdjian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 10,7702024: 12,56017%
- Office and hospital visits
- 2023: 8732024: 74814%
- Other services
- 2023: 02024: 78
Dr. Tachdjian compared with the California median for allergists and immunologists, 2024
- Dr. Tachdjian
- California median
- Medicare services
- 13,386vs 1,8407.3 times
- Medicare patients
- 194vs 14534% above
- Part D claims
- 29vs 25989% below
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Tachdjian'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.
Need commercial claims for Dr. Tachdjian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tachdjian and other allergists and immunologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raffi Tachdjian treated 194 Medicare patients in 2024, average age 74
CMS counts 194 Medicare patients who saw Dr. Tachdjian in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high cholesterol, and 58% have arthritis. 7% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tachdjian's median patient age at 37, with 57% women.
Dr. Tachdjian's Medicare patients by age, 2024
Dr. Tachdjian's Medicare patients by sex, 2024
- Women13067%
- Men6433%
Chronic conditions among Dr. Tachdjian's Medicare patients, 2024
- High cholesterol75%
- Arthritis58%
- High blood pressure57%
- Ischemic heart disease38%
- Osteoporosis36%
- Asthma34%
- Mood disorders26%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tachdjian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women57%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raffi Tachdjian wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Tachdjian wrote 81 Medicare Part D claims for 44 patients. 48% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $768 in total drug cost. In 2022, CMS named 107 claims across 7 drugs.
Dr. Tachdjian's Part D claims by kind of drug, 2024
- Generic39 claims48%
- Brand-name42 claims52%
Dr. Tachdjian's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1072023: 2973%
Drugs named by CMS: 2 in 2023, 7 in 2022.
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. Raffi Tachdjian offers telehealth to Medicare patients
CMS lists Dr. Tachdjian as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Raffi Tachdjian has 39 publications on record
Dmand AI links 39 papers to Dr. Tachdjian, published from 2009 to 2025. 2023 was the busiest year, with 6. The most frequent topics are Angioedemas, Hereditary, Complement C1 Inhibitor Protein and Double-Blind Method. Dr. Tachdjian has published most often in Allergy Asthma Proc. Dr. Tachdjian's most frequent co-authors are Timothy J. Craig, DO, William Raymond Lumry, MD and Marc Andrew Riedl, MD.
Dr. Tachdjian's papers by year, 2013 to 2025
Topics Dr. Tachdjian writes about most
- Angioedemas, Hereditary
- Complement C1 Inhibitor Protein
- Double-Blind Method
- Antibodies, Monoclonal, Humanized
- Peptides
- Injections, Subcutaneous
- Antibodies, Monoclonal
- Antifibrinolytic Agents
Dr. Tachdjian's most frequent co-authors
- Timothy J. Craig, DO12 shared papers
- William Raymond Lumry, MD11 shared papers
- Marc Andrew Riedl, MD10 shared papers
Recent publications by Dr. Tachdjian
Clin Rev Allergy Immunol
Allergy Asthma Proc
Ann Allergy Asthma Immunol
See who Dr. Tachdjian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tachdjian works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Raffi Tachdjian has worked on 6 clinical trials
Dmand AI links Dr. Tachdjian to 6 clinical trials. Conditions studied include Hereditary Complement Deficiency Diseases, Angioedemas, Hereditary and Angioedema. Shire sponsors the most, 4. Open Payments lists research payments to Dr. Tachdjian that name 6 trials.
Conditions in Dr. Tachdjian's trials
- Hereditary Complement Deficiency Diseases
- Angioedemas, Hereditary
- Angioedema
- Primary Immunodeficiency Diseases
- Immunologic Deficiency Syndromes
Investigators on the most trials with Dr. Tachdjian
- Douglas Thomas Johnston, DO4 shared trials
- Paula J. Busse, MD3 shared trials
- Aleena Banerji, MD2 shared trials
Recent clinical trials with Dr. Tachdjian
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Raffi Tachdjian received $4,803,341 in industry payments from 2016 to 2025
CMS Open Payments shows 5,440 general payments to Dr. Tachdjian from 49 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 58% of the total. CSL Behring paid the most, $801,538. It also lists 51 research payments totaling $96,350 from 2021 to 2025, naming 6 clinical trials.
General payments to Dr. Tachdjian by program year, 2016 to 2025
General payments to Dr. Tachdjian by kind, 2016 to 2025
- Speaker and faculty fees$2,757,13058%
- Consulting fees$598,24813%
- Travel and lodging$591,16712%
- Honoraria$499,94510%
- Other$334,8517%
Companies that paid Dr. Tachdjian the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raffi Tachdjian has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Tachdjian, most recently CMS Stage 1 EHR in 2013. Dr. Tachdjian serves on UCLA Pediatrics Committee.
Awards and honors for Dr. Tachdjian
- 2013
- CMS Stage 1 EHR
- 2011
- Compassionate Doctors
Dr. Tachdjian's committees and leadership roles
- UCLA Pediatrics CommitteeMember
- 2011 to present
Source: Dmand AI Professional Profile Data
Dr. Raffi Tachdjian graduated from Morehouse School Of Medicine
Dr. Tachdjian graduated from Morehouse School Of Medicine in 2001. Dr. Tachdjian is a member of AAAAI and American College of Asthma Allergy and Immunology.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Raffi Tachdjian accepts plans from 18 insurance carriers
Dr. Tachdjian is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- LA Care
- +10 more carriersWith a free account
Plan types Dr. Tachdjian accepts, by number of carriers
- Medicare12
- PPO11
- HMO9
- POS6
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Raffi Tachdjian'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Raffi Tachdjian
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. Raffi Tachdjian's NPI number?
Dr. Raffi Tachdjian's NPI number is 1447376454. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Raffi Tachdjian?
Dr. Raffi Tachdjian is an allergist and immunologist in Santa Monica, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Raffi Tachdjian practice?
Dr. Tachdjian practices at 1301 20th St, Santa Monica, CA 90404. Dr. Tachdjian's primary practice is Pacific Coast Plastic Surgery Center, Inc in Santa Monica, California. Dmand AI also links Dr. Tachdjian to 1 physician office, 1 group practice or clinic and 1 home health agency.
What is Dr. Raffi Tachdjian's office phone number?
The practice phone on file for Dr. Tachdjian is (310) 453-2733.
What is Dr. Raffi Tachdjian's medical license number?
Dr. Tachdjian holds California license A88034.
What medical group is Dr. Raffi Tachdjian part of?
Dr. Tachdjian is linked to UCLA Health.
Does Dr. Raffi Tachdjian accept Medicare?
Yes. CMS data shows Dr. Tachdjian billed Medicare for 13,386 services in 2024.
Does Dr. Raffi Tachdjian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tachdjian as offering telehealth services.
How many Medicare patients does Dr. Raffi Tachdjian see?
CMS counts 194 Medicare patients who saw Dr. Tachdjian in 2024, with an average age of 74.
Is Dr. Raffi Tachdjian board certified?
Yes. Dr. Tachdjian is board certified in allergy & immunology by the American Board of Allergy and Immunology.
Show 8 more questionsShow fewer questions
What services does Dr. Raffi Tachdjian bill to Medicare?
In 2024, Dr. Tachdjian's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95024).
Where did Dr. Raffi Tachdjian go to medical school?
Dr. Tachdjian graduated from Morehouse School Of Medicine in 2001.
What drugs does Dr. Raffi Tachdjian prescribe most?
In 2023 Medicare Part D data, Dr. Tachdjian's most prescribed drugs by claims were Ipratropium Bromide and Sodium Chloride.
Has Dr. Raffi Tachdjian received payments from drug or device companies?
CMS Open Payments shows $4,803,341 in general payments to Dr. Tachdjian from 49 companies from 2016 to 2025. The largest total came from CSL Behring.
How long has Dr. Raffi Tachdjian been practicing?
Dr. Tachdjian graduated from medical school in 2001, 25 years ago.
Does Dr. Raffi Tachdjian do research?
Dmand AI links 39 publications to Dr. Tachdjian, published from 2009 to 2025. Dr. Tachdjian has worked on 6 clinical trials.
Who does Dr. Raffi Tachdjian publish with?
Dr. Tachdjian's most frequent co-authors are Timothy J. Craig, DO (12 shared papers), William Raymond Lumry, MD (11 shared papers) and Marc Andrew Riedl, MD (10 shared papers).
What insurance does Dr. Raffi Tachdjian accept?
Dr. Tachdjian is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.
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