Hanna Tomsan, MD
NPI 1811412661 · Diagnostic Radiology Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hanna Tomsan, MD is a Diagnostic Radiology Physician provider in Pasadena, CA (NPI 1811412661).
Provider details
- NPI number
- 1811412661
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A176109 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,955 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 715 | $9 |
| Mri Scan of Leg Joint Without Contrast73721 | 422 | $154 |
| Mri Scan of Arm Joint Without Contrast73221 | 300 | $149 |
| Ct Scan of Chest Without Contrast71250 | 218 | $150 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 210 | $89 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 163 | $85 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-12
- Last updated
- 2023-12-01
- Certified
- 2023-12-01
Frequently asked questions
- What is Hanna Tomsan's NPI number?
- Hanna Tomsan's National Provider Identifier (NPI) is 1811412661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanna Tomsan's specialty?
- Hanna Tomsan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hanna Tomsan located?
- Hanna Tomsan's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is Hanna Tomsan's phone number?
- The practice phone number listed in the NPPES registry for Hanna Tomsan is (626) 397-5000.
- Does Hanna Tomsan accept Medicare?
- Hanna Tomsan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hanna Tomsan's NPI active?
- Yes — Hanna Tomsan's NPI (1811412661) is active in the NPPES registry as of the last update on 2023-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.