Amy Filsoof, MD
NPI 1033508874 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Filsoof, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1033508874).
Provider details
- NPI number
- 1033508874
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A150946 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,234 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 800 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 568 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 497 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 476 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 425 | $88 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 389 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 348 | 136 |
| Rosuvastatin Calcium | 267 | 117 |
| Losartan Potassium | 263 | 111 |
| Atorvastatin Calcium | 228 | 100 |
| Amlodipine Besylate | 213 | 89 |
| Omeprazole | 183 | 81 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$667 across 34 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 (2)
- 1250 16th StSanta Monica, CA 90404-1249Phone: (310) 319-4698Fax: (310) 319-4908
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-6661
Registry dates
- Enumerated
- 2015-01-16
- Last updated
- 2023-11-08
- Certified
- 2023-11-08
Frequently asked questions
- What is Amy Filsoof's NPI number?
- Amy Filsoof's National Provider Identifier (NPI) is 1033508874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Filsoof's specialty?
- Amy Filsoof is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Filsoof located?
- Amy Filsoof's practice location on file with NPPES is 5555 E 5th St Ste 101, Tucson, AZ 85711-2415.
- What is Amy Filsoof's phone number?
- The practice phone number listed in the NPPES registry for Amy Filsoof is (520) 886-4181.
- Does Amy Filsoof accept Medicare?
- Amy Filsoof is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Filsoof's NPI active?
- Yes — Amy Filsoof's NPI (1033508874) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.