Dr. Samuel Granieri, MD
- Medicare services, 2024
- 870
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 2,036
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 676 N St Clair St 20th Fl Ste 2020, Chicago, IL 60611
- Practice phone
- Call (312) 472-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medicine Dialysis Center
Dialysis Center - Independent · Chicago, Illinois
Find Dr. Granieri's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Samuel Granieri is an internist in Chicago, Illinois
Dr. Granieri practices at Northwestern Medicine Dialysis Center in Chicago, Illinois.
Dr. Granieri's NPI, 1154360873, was assigned on June 6, 2006. Dr. Granieri graduated from Northwestern University Feinberg Medical School in 1974. Dr. Granieri holds Illinois license 036051857.
- NPI
- 1154360873NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Practice phone
- (312) 472-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Samuel Granieri practices at Northwestern Medicine Dialysis Center in Chicago, Illinois
Dr. Granieri's primary practice is Northwestern Medicine Dialysis Center, at 676 N St Clair St 20th Fl Ste 2020, Chicago, IL 60611 in Cook County. The practice phone is (312) 472-5200.
- Northwestern Medicine Dialysis Center676 N St Clair St 20th Fl Ste 2020, Chicago, IL 60611 · Cook CountyPhone(312) 472-5200
Source: Dmand AI Affiliation Data
Dr. Samuel Granieri is affiliated with 3 sites of care and 1 medical group
Dr. Granieri's primary practice is Northwestern Medicine Dialysis Center in Chicago, Illinois. Dr. Granieri is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Granieri to 1 more group practice or clinic, named with a free account. Dr. Granieri's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samuel Granieri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Granieri practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Dialysis Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel Granieri is one of 5,652 internists in Illinois
Internal medicine is Dr. Granieri's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Granieri is board certified in internal medicine by the American Board of Internal Medicine. Dr. Granieri is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Granieri
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Samuel Granieri billed Medicare for 870 services in 2024
CMS data shows 870 Medicare services from Dr. Granieri across 9 procedure codes in 2024, for 238 Medicare patients. Medicare paid $66,756 for them. Every service was in an office.
Dr. Granieri's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5252024: 5393%
- Other services
- 2023: 1362024: 24177%
- Tests and treatments
- 2023: 682024: 3943%
- Surgery
- 2023: 422024: 2638%
- Lab and pathology
- 2023: 452024: 2544%
Dr. Granieri compared with the Illinois median for internists, 2024
- Dr. Granieri
- Illinois median
- Medicare services
- 870vs 56654% above
- Medicare patients
- 238vs 20814% above
- Part D claims
- 1,662vs 2845.9 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Granieri's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Granieri and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel Granieri treated 238 Medicare patients in 2024, average age 75
CMS counts 238 Medicare patients who saw Dr. Granieri in 2024. The largest group is 65 to 74, with 120 patients. 73% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Granieri's median patient age at 70, with 32% women.
Dr. Granieri's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Granieri's Medicare patients by sex, 2024
- Women11046%
- Men12854%
Chronic conditions among Dr. Granieri's Medicare patients, 2024
- High cholesterol73%
- High blood pressure59%
- Arthritis32%
- Ischemic heart disease22%
- Diabetes20%
- Cancer19%
- Osteoporosis17%
- Atrial fibrillation12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Granieri's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women32%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samuel Granieri wrote 2,036 Medicare Part D claims in 2024
In 2024, Dr. Granieri wrote 2,036 Medicare Part D claims for 239 patients. 90% of them were for generic drugs. CMS names the drug for 1,662 of them, across 41 drugs with 11 or more claims each, at $117,310 in total drug cost. In 2023, CMS named 1,633 claims across 42 drugs.
Dr. Granieri's Part D claims by kind of drug, 2024
- Generic1,837 claims90%
- Brand-name and other199 claims10%
Dr. Granieri's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Granieri's Part D claims, 2024
- Antibiotics1%26 of 2,036 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6332024: 1,6622%
Drugs named by CMS: 41 in 2024, 42 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Samuel Granieri scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Granieri for performance year 2024, reported through an alternative payment model (APM).
Dr. Granieri's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Samuel Granieri received $748 in industry payments from 2016 to 2019
CMS Open Payments shows 20 general payments to Dr. Granieri from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $207.
General payments to Dr. Granieri by program year, 2016 to 2019
Companies that paid Dr. Granieri the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samuel Granieri graduated from Northwestern University Feinberg Medical School
Dr. Granieri graduated from Northwestern University Feinberg Medical School in 1974.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Samuel Granieri's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Samuel Granieri
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Samuel Granieri's NPI number?
Dr. Samuel Granieri's NPI number is 1154360873. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel Granieri?
Dr. Samuel Granieri is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samuel Granieri practice?
Dr. Granieri practices at 676 N St Clair St 20th Fl Ste 2020, Chicago, IL 60611. Dr. Granieri's primary practice is Northwestern Medicine Dialysis Center in Chicago, Illinois. Dmand AI also links Dr. Granieri to 1 group practice or clinic.
What is Dr. Samuel Granieri's office phone number?
The practice phone on file for Dr. Granieri is (312) 472-5200.
What is Dr. Samuel Granieri's medical license number?
Dr. Granieri holds Illinois license 036051857.
Which hospitals is Dr. Samuel Granieri affiliated with?
Dr. Granieri is affiliated with Northwestern Memorial Hospital.
What medical group is Dr. Samuel Granieri part of?
Dr. Granieri is linked to Northwestern Medical Faculty Foundation.
Does Dr. Samuel Granieri accept Medicare?
Yes. CMS data shows Dr. Granieri billed Medicare for 870 services in 2024.
What is Dr. Samuel Granieri's MIPS score?
Dr. Granieri's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Samuel Granieri see?
CMS counts 238 Medicare patients who saw Dr. Granieri in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
Is Dr. Samuel Granieri board certified?
Yes. Dr. Granieri is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Samuel Granieri bill to Medicare?
In 2024, Dr. Granieri's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Samuel Granieri go to medical school?
Dr. Granieri graduated from Northwestern University Feinberg Medical School in 1974.
What drugs does Dr. Samuel Granieri prescribe most?
In 2024 Medicare Part D data, Dr. Granieri's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Samuel Granieri received payments from drug or device companies?
CMS Open Payments shows $748 in general payments to Dr. Granieri from 5 companies from 2016 to 2019. The largest total came from Boston Scientific Corporation.
How long has Dr. Samuel Granieri been practicing?
Dr. Granieri graduated from medical school in 1974, 52 years ago.
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