Michael Pellegrini, M.D.
NPI 1225070543 · Internal Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Pellegrini, M.D. is a Internal Medicine Physician provider in Austin, TX (NPI 1225070543).
Provider details
- NPI number
- 1225070543
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- J6655 (TX)
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
20 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
950 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 489 | $125 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 150 | $182 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 108 | $106 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 73 | $106 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 33 | $199 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 267 | 42 |
| Levothyroxine Sodium | 175 | 34 |
| Omeprazole | 170 | 33 |
| Sertraline Hcl | 136 | 22 |
| Losartan Potassium | 116 | 21 |
| Potassium Chloride | 111 | 19 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Michael Pellegrini's NPI number?
- Michael Pellegrini's National Provider Identifier (NPI) is 1225070543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Pellegrini's specialty?
- Michael Pellegrini is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Pellegrini located?
- Michael Pellegrini's practice location on file with NPPES is 11500 Buttonwood Dr, Austin, TX 78759-3854.
- What is Michael Pellegrini's phone number?
- The practice phone number listed in the NPPES registry for Michael Pellegrini is (512) 459-5204.
- Does Michael Pellegrini accept Medicare?
- Michael Pellegrini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Pellegrini's NPI active?
- Yes — Michael Pellegrini's NPI (1225070543) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.