Dr. Michael John Granieri, DO
- Medicare services, 2024
- 206
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 612
- Hospital affiliations
- 2
- Industry payments
- $10
- Practice address
- 71 Haynes St, Manchester, CT 06040
- Practice phone
- Call (860) 647-4780
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Granieri's professional email, personal email and mobile number
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Dr. Michael John Granieri is an internist in Manchester, Connecticut
Dr. Granieri practices at Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare.
Dr. Granieri's NPI, 1730767229, was assigned on March 29, 2021. Dr. Granieri graduated from Alabama College of Osteopathic Medicine in 2021. Dr. Granieri holds Connecticut license 77254.
- NPI
- 1730767229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335541101
- NPI enumeration date
- March 29, 2021
- NPI status
- Active
- Practice phone
- (860) 647-4780
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael John Granieri practices at Manchester Memorial Hospital in Manchester, Connecticut
Dr. Granieri's primary practice is Manchester Memorial Hospital, at 71 Haynes St, Manchester, CT 06040 in Hartford County. The practice phone is (860) 647-4780.
- Manchester Memorial Hospital71 Haynes St, Manchester, CT 06040 · Hartford CountyPhone(860) 647-4780
Source: Dmand AI Affiliation Data
Dr. Michael John Granieri is affiliated with 2 sites of care and 1 medical group
Dr. Granieri's primary practice is Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare. Dr. Granieri is also affiliated with UConn Health Waterbury Hospital. The medical group on file is Manchester Memorial Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael John Granieri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Granieri practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manchester Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael John Granieri is one of 2,189 internists in Connecticut
Internal medicine is Dr. Granieri's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Granieri is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
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. Michael John Granieri billed Medicare for 206 services in 2024
CMS data shows 206 Medicare services from Dr. Granieri across 4 procedure codes in 2024, for 98 Medicare patients. Medicare paid $19,550 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Granieri compared with the Connecticut median for internists, 2024
- Dr. Granieri
- Connecticut median
- Medicare services
- 206vs 39047% below
- Medicare patients
- 98vs 17243% below
- Part D claims
- 399vs 34316% above
Medians across 2,185 internists in Connecticut 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Granieri treated 98 Medicare patients in 2024, average age 75
CMS counts 98 Medicare patients who saw Dr. Granieri in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Granieri's median patient age at 61, with 56% women.
Dr. Granieri's Medicare patients by age, 2024
Dr. Granieri's Medicare patients by sex, 2024
- Women4748%
- Men5152%
Chronic conditions among Dr. Granieri's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Arthritis58%
- Heart failure52%
- Chronic kidney disease51%
- Atrial fibrillation48%
- Mood disorders48%
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 61
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael John Granieri wrote 612 Medicare Part D claims in 2024
In 2024, Dr. Granieri wrote 612 Medicare Part D claims for 92 patients. 79% of them were for generic drugs. CMS names the drug for 399 of them, across 20 drugs with 11 or more claims each, at $50,288 in total drug cost. In 2023, CMS named 623 claims across 25 drugs.
Dr. Granieri's Part D claims by kind of drug, 2024
- Generic482 claims79%
- Brand-name119 claims19%
- Other11 claims2%
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
- Antibiotics2%13 of 612 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: 6232024: 39936%
Drugs named by CMS: 20 in 2024, 25 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
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Dr. Michael John Granieri received $10 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Granieri from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Valencia Technologies Corporation paid the most, $10.
Companies that paid Dr. Granieri the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael John Granieri graduated from Alabama College of Osteopathic Medicine
Dr. Granieri graduated from Alabama College of Osteopathic Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael John 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) |
| 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. Michael John 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. Michael John Granieri's NPI number?
Dr. Michael John Granieri's NPI number is 1730767229. It was assigned on March 29, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Granieri?
Dr. Michael John Granieri is an internist in Manchester, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael John Granieri practice?
Dr. Granieri practices at 71 Haynes St, Manchester, CT 06040. Dr. Granieri's primary practice is Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare.
What is Dr. Michael John Granieri's office phone number?
The practice phone on file for Dr. Granieri is (860) 647-4780.
What is Dr. Michael John Granieri's medical license number?
Dr. Granieri holds Connecticut license 77254.
Which hospitals is Dr. Michael John Granieri affiliated with?
Dr. Granieri practices at Manchester Memorial Hospital in Manchester, Connecticut. Dr. Granieri is also affiliated with UConn Health Waterbury Hospital.
What medical group is Dr. Michael John Granieri part of?
Dr. Granieri is linked to Manchester Memorial Hospital.
Does Dr. Michael John Granieri accept Medicare?
Yes. CMS data shows Dr. Granieri billed Medicare for 206 services in 2024.
How many Medicare patients does Dr. Michael John Granieri see?
CMS counts 98 Medicare patients who saw Dr. Granieri in 2024, with an average age of 75.
What services does Dr. Michael John Granieri bill to Medicare?
In 2024, Dr. Granieri's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
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Where did Dr. Michael John Granieri go to medical school?
Dr. Granieri graduated from Alabama College of Osteopathic Medicine in 2021.
What drugs does Dr. Michael John Granieri prescribe most?
In 2024 Medicare Part D data, Dr. Granieri's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Amlodipine Besylate.
Has Dr. Michael John Granieri received payments from drug or device companies?
CMS Open Payments shows $10 in general payments to Dr. Granieri from 1 company from 2025 to 2025. The largest total came from Valencia Technologies Corporation.
How long has Dr. Michael John Granieri been practicing?
Dr. Granieri graduated from medical school in 2021, 5 years ago.
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