Daniel Attanasio, D.O.
NPI 1609801380 · Internal Medicine Physician · Grafton, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Attanasio, D.O. is a Internal Medicine Physician provider in Grafton, WI (NPI 1609801380).
Provider details
- NPI number
- 1609801380
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 49349 (WI)
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
19 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
904 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 490 | $119 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 191 | $119 |
| Administration of Influenza Virus VaccineG0008 | 48 | $30 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $84 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 34 | $13 |
| Transitional Care Management Services for Problem of High Complexity99496 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 160 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 615 | 152 |
| Amlodipine Besylate | 451 | 118 |
| Lisinopril | 403 | 98 |
| Pantoprazole Sodium | 363 | 91 |
| Losartan Potassium | 357 | 86 |
| Rosuvastatin Calcium | 306 | 80 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Daniel Attanasio's NPI number?
- Daniel Attanasio's National Provider Identifier (NPI) is 1609801380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Attanasio's specialty?
- Daniel Attanasio is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Attanasio located?
- Daniel Attanasio's practice location on file with NPPES is 215 Washington St, Grafton, WI 53024-1700.
- What is Daniel Attanasio's phone number?
- The practice phone number listed in the NPPES registry for Daniel Attanasio is (262) 375-3700.
- Does Daniel Attanasio accept Medicare?
- Daniel Attanasio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Attanasio's NPI active?
- Yes — Daniel Attanasio's NPI (1609801380) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.