Raffi Tachdjian, M.D.
NPI 1447376454 · Allergy & Immunology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raffi Tachdjian, M.D. is a Allergy & Immunology Physician provider in Santa Monica, CA (NPI 1447376454).
Provider details
- NPI number
- 1447376454
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A88034 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
13,386 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 8,544 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,200 | $16 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 1,214 | $9 |
| Professional Service for Multiple Injections of Allergen95117 | 328 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 318 | $131 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 301 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$640,544 across 653 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2018-07-02
Frequently asked questions
- What is Raffi Tachdjian's NPI number?
- Raffi Tachdjian's National Provider Identifier (NPI) is 1447376454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raffi Tachdjian's specialty?
- Raffi Tachdjian is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Raffi Tachdjian located?
- Raffi Tachdjian's practice location on file with NPPES is 1301 20th St Ste 380, Santa Monica, CA 90404.
- What is Raffi Tachdjian's phone number?
- The practice phone number listed in the NPPES registry for Raffi Tachdjian is (310) 998-0060.
- Does Raffi Tachdjian accept Medicare?
- Raffi Tachdjian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raffi Tachdjian's NPI active?
- Yes — Raffi Tachdjian's NPI (1447376454) is active in the NPPES registry as of the last update on 2018-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.