Sam Giovannucci, MD
NPI 1164478509 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sam Giovannucci, MD is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1164478509).
Provider details
- NPI number
- 1164478509
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301056230 (MI)
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
320 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 | 149 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $132 |
| Administration of Influenza Virus VaccineG0008 | 44 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $128 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 229 | 57 |
| Levothyroxine Sodium | 204 | 52 |
| Rosuvastatin Calcium | 192 | 52 |
| Atorvastatin Calcium | 181 | 49 |
| Losartan Potassium | 155 | 39 |
| Amlodipine Besylate | 147 | 40 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,173 across 60 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
- 2006-05-26
- Last updated
- 2021-03-04
- Certified
- 2021-03-04
Frequently asked questions
- What is Sam Giovannucci's NPI number?
- Sam Giovannucci's National Provider Identifier (NPI) is 1164478509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sam Giovannucci's specialty?
- Sam Giovannucci is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sam Giovannucci located?
- Sam Giovannucci's practice location on file with NPPES is 4069 Lake Dr Se, Grand Rapids, MI 49546-8816.
- What is Sam Giovannucci's phone number?
- The practice phone number listed in the NPPES registry for Sam Giovannucci is (616) 726-8700.
- Does Sam Giovannucci accept Medicare?
- Sam Giovannucci is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sam Giovannucci's NPI active?
- Yes — Sam Giovannucci's NPI (1164478509) is active in the NPPES registry as of the last update on 2021-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.