Christopher Rajan, DO
NPI 1780180257 · Emergency Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Rajan, DO is a Emergency Medicine Physician provider in Phoenix, AZ (NPI 1780180257).
Provider details
- NPI number
- 1780180257
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
935 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 493 | $175 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 193 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 145 | $121 |
| Critical Care, First 30-74 Minutes99291 | 87 | $210 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 17 | $71 |
Typical Medicare-allowed amounts for these services range $8–$210 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 88 | 85 |
| Ondansetronbrand: Ondansetron Odt | 55 | 55 |
| Cyclobenzaprine Hcl | 32 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 30 |
| Prednisone | 30 | 28 |
| Cephalexin | 26 | 26 |
| Azithromycin | 23 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 4 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
Additional practice locations (1)
- 951 N Washington Ave Bldg 4Titusville, FL 32796-2194Phone: (321) 268-6111
Registry dates
- Enumerated
- 2018-04-03
- Last updated
- 2021-05-11
- Certified
- 2021-05-11
Frequently asked questions
- What is Christopher Rajan's NPI number?
- Christopher Rajan's National Provider Identifier (NPI) is 1780180257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Rajan's specialty?
- Christopher Rajan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Rajan located?
- Christopher Rajan's practice location on file with NPPES is 2601 E Roosevelt St, Phoenix, AZ 85008-4973.
- What is Christopher Rajan's phone number?
- The practice phone number listed in the NPPES registry for Christopher Rajan is (602) 344-5011.
- Does Christopher Rajan accept Medicare?
- Christopher Rajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Rajan's NPI active?
- Yes — Christopher Rajan's NPI (1780180257) is active in the NPPES registry as of the last update on 2021-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.