Christopher Chen, MD, MBA
NPI 1851603674 · Hematology & Oncology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Chen, MD, MBA is a Hematology & Oncology Physician provider in Tucson, AZ (NPI 1851603674).
Provider details
- NPI number
- 1851603674
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MBA
- Sex
- Male
- Sole proprietor
- Yes
- License
- T6765 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,412 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) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 573 | $15 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 250 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $89 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 147 | $27 |
| Administration of Additional New Drug Or Substance Into Vein, 1 Hour Or Less96417 | 145 | $62 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomide | 26 | — |
| Apixabanbrand: Eliquis | 25 | — |
| Dexamethasone | 19 | — |
| Ixazomib Citratebrand: Ninlaro | 19 | — |
| Ondansetron Hcl | 18 | 13 |
| Oxycodone Hcl | 18 | — |
| Anastrozole | 17 | — |
| Lenalidomide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$91,870 across 416 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 (5)
- 1521 E Tangerine Rd Ste 331Oro Valley, AZ 85755-6223Phone: (520) 276-2033Fax: (520) 261-4520
- 1055 N Curtis RdBoise, ID 83706-1309Phone: (208) 367-3131Fax: (208) 367-3174
- 2911 N Tenaya Way Ste 210Las Vegas, NV 89128-0495Phone: (702) 342-1244Fax: (702) 577-2542
- 5625 Eiger Rd Ste 115Austin, TX 78735-8978Phone: (737) 279-5779Fax: (737) 260-3084
- 1111 W 34th St Ste 210Austin, TX 78705-1916Phone: (737) 279-5781Fax: (737) 279-5953
Registry dates
- Enumerated
- 2010-07-09
- Last updated
- 2023-11-13
- Certified
- 2023-11-13
Frequently asked questions
- What is Christopher Chen's NPI number?
- Christopher Chen's National Provider Identifier (NPI) is 1851603674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Chen's specialty?
- Christopher Chen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Chen located?
- Christopher Chen's practice location on file with NPPES is 1707 W Saint Marys Rd Ste 275, Tucson, AZ 85745-2629.
- What is Christopher Chen's phone number?
- The practice phone number listed in the NPPES registry for Christopher Chen is (520) 276-2270.
- Does Christopher Chen accept Medicare?
- Christopher Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Chen's NPI active?
- Yes — Christopher Chen's NPI (1851603674) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.