Samuel Granieri, M.D.
NPI 1154360873 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Granieri, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1154360873).
Provider details
- NPI number
- 1154360873
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036051857 (IL)
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
831 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 | 336 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 184 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 126 | $139 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 76 | $17 |
| Administration of Influenza Virus VaccineG0008 | 39 | $34 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 231 | 70 |
| Rosuvastatin Calcium | 159 | 46 |
| Amlodipine Besylate | 102 | 30 |
| Losartan Potassium | 87 | 24 |
| Metformin Hcl | 80 | 22 |
| Metoprolol Succinate | 74 | 20 |
| Allopurinol |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2014-08-22
Frequently asked questions
- What is Samuel Granieri's NPI number?
- Samuel Granieri's National Provider Identifier (NPI) is 1154360873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Granieri's specialty?
- Samuel Granieri is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Granieri located?
- Samuel Granieri's practice location on file with NPPES is 676 N Saint Clair St, Chicago, IL 60611-2927.
- What is Samuel Granieri's phone number?
- The practice phone number listed in the NPPES registry for Samuel Granieri is (312) 926-6146.
- Does Samuel Granieri accept Medicare?
- Samuel Granieri is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Granieri's NPI active?
- Yes — Samuel Granieri's NPI (1154360873) is active in the NPPES registry as of the last update on 2014-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.