Michael Passarello, MD
NPI 1487695383 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Passarello, MD is a Internal Medicine Physician provider in Knoxville, TN (NPI 1487695383).
Provider details
- NPI number
- 1487695383
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17922 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,612 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 | 433 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 367 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 357 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 349 | $118 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 344 | $13 |
| Automated Urinalysis Test81003 | 261 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 379 | 126 |
| Atorvastatin Calcium | 338 | 136 |
| Amlodipine Besylate | 319 | 117 |
| Omeprazole | 215 | 75 |
| Rosuvastatin Calcium | 183 | 84 |
| Pantoprazole Sodium | 175 | 66 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$809 across 27 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
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2008-05-09
Frequently asked questions
- What is Michael Passarello's NPI number?
- Michael Passarello's National Provider Identifier (NPI) is 1487695383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Passarello's specialty?
- Michael Passarello is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Passarello located?
- Michael Passarello's practice location on file with NPPES is 501 20th St, Knoxville, TN 37916-1809.
- What is Michael Passarello's phone number?
- The practice phone number listed in the NPPES registry for Michael Passarello is (865) 524-1631.
- Does Michael Passarello accept Medicare?
- Michael Passarello is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Passarello's NPI active?
- Yes — Michael Passarello's NPI (1487695383) is active in the NPPES registry as of the last update on 2008-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.