Arjan Gower, MD, MS
NPI 1083106637 · Hematology & Oncology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arjan Gower, MD, MS is a Hematology & Oncology Physician provider in Santa Monica, CA (NPI 1083106637).
Provider details
- NPI number
- 1083106637
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Male
- Sole proprietor
- No
- License
- A164983 (CA)
Specialties & taxonomies
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
355 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 79 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 67 | $123 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 36 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $139 |
| Ferritin (blood Protein) Level82728 | 28 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$300 across 6 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)
- 757 Westwood Plaza, Division of Hematology-OncologyLos Angeles, CA 90095-7419Phone: (310) 825-0712Fax: (310) 206-3289
Registry dates
- Enumerated
- 2018-05-30
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Arjan Gower's NPI number?
- Arjan Gower's National Provider Identifier (NPI) is 1083106637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arjan Gower's specialty?
- Arjan Gower is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arjan Gower located?
- Arjan Gower's practice location on file with NPPES is 2020 Santa Monica Blvd Ste 230, Santa Monica, CA 90404-2124.
- What is Arjan Gower's phone number?
- The practice phone number listed in the NPPES registry for Arjan Gower is (310) 829-5471.
- Does Arjan Gower accept Medicare?
- Arjan Gower is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arjan Gower's NPI active?
- Yes — Arjan Gower's NPI (1083106637) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.