Dr. Michelle Ann Grenier, MD
- Publications
- 40
- Industry payments
- $40
- Affiliated sites
- 3
- Medical groups
- 3
- Insurance carriers
- 12
- Practice address
- 750 Centerview Blvd, Kissimmee, FL 34741
- Practice phone
- Call (302) 485-7015
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nemours Children's Health, Osceola
Urgent Care Center · Kissimmee, Florida
Find Dr. Grenier'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. Michelle Ann Grenier is a pediatric cardiology physician in Pensacola, Florida
Dr. Grenier practices at Nemours Children's Health, Osceola in Kissimmee, Florida.
Dr. Grenier's NPI, 1316027675, was assigned on October 17, 2006. Dr. Grenier graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 1988. Dr. Grenier holds New Mexico license MD2014-0788.
- NPI
- 1316027675NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911981816
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 485-7015
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michelle Ann Grenier practices in Kissimmee and Pensacola
Dr. Grenier's primary practice is Nemours Children's Health, Osceola, at 750 Centerview Blvd, Kissimmee, FL 34741. The practice phone is (302) 485-7015. Dr. Grenier also practices at The Nemours Foundation, 8331 N Davis Hwy, Pensacola, FL 32514.
- Nemours Children's Health, OsceolaPrimary750 Centerview Blvd, Kissimmee, FL 34741Phone(302) 485-7015
- The Nemours Foundation8331 N Davis Hwy, Pensacola, FL 32514 · Escambia CountyPhone(904) 697-3600
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Michelle Ann Grenier is affiliated with 3 sites of care and 3 medical groups
Dr. Grenier's primary practice is Nemours Children's Health, Osceola in Kissimmee, Florida. The medical group on file is Nemours Children's Hospital, Delaware. Dmand AI also links Dr. Grenier to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michelle Ann Grenier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grenier practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nemours Children's Health, Osceola | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michelle Ann Grenier is one of 223 pediatric cardiology physicians in Florida
Pediatric cardiology is Dr. Grenier's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dr. Grenier is board certified in pediatric cardiology by the American Board of Pediatrics. Dmand AI has Dr. Grenier's licenses on file in 14 states: New Mexico, Colorado, Wyoming, Texas, California, Mississippi, Ohio, West Virginia, Indiana, Kentucky, Georgia, Virginia, New York and Maryland.
Specialties and state licenses
- Pediatric cardiology, New MexicoPrimary
- Colorado license
- Wyoming license
- Texas license
- California license
- Mississippi license
- Ohio license
- West Virginia license
- Indiana license
- Kentucky license
- Georgia license
- Virginia license
- New York license
- Maryland license
Pediatric cardiology physicians near Dr. Grenier
Counts of pediatric cardiology physicians 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. Michelle Ann Grenier's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Grenier's median patient age at 13, with 53% women.
Dr. Grenier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
How Dr. Michelle Ann Grenier takes part in Medicare
Dr. Grenier accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Michelle Ann Grenier has 40 publications on record
Dmand AI links 40 papers to Dr. Grenier, published from 2005 to 2023. 2012 was the busiest year, with 4. The most frequent topics are Electrocardiography, Cardiomyopathies and Natriuretic Peptide, Brain. Dr. Grenier has published most often in Pediatr Cardiol. Dr. Grenier's most frequent co-authors are Jeffrey Towbin, MD, Susan Warren Denfield, MD and William J. Dreyer, MD.
Dr. Grenier's papers by year, 2005 to 2023
Topics Dr. Grenier writes about most
- Electrocardiography
- Cardiomyopathies
- Natriuretic Peptide, Brain
- Predictive Value of Tests
- Death, Sudden, Cardiac
- Echocardiography
- Feasibility Studies
- Heart Defects, Congenital
Dr. Grenier's most frequent co-authors
- Jeffrey Towbin, MD9 shared papers
- Susan Warren Denfield, MD5 shared papers
- William J. Dreyer, MD4 shared papers
Recent publications by Dr. Grenier
Radiol Cardiothorac Imaging
See who Dr. Grenier researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grenier works with, so you can find a warm path to the right pediatric cardiology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michelle Ann Grenier received $40 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Grenier from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Braemar Manufacturing, LLC paid the most, $28.
Companies that paid Dr. Grenier the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michelle Ann Grenier has 16 awards and honors on record
Dmand AI lists 16 awards for Dr. Grenier, most recently Best Doctors voted by peers in 2016.
Awards and honors for Dr. Grenier
- 2016
- Best Doctors voted by peers
- 2010
- Best Doctors in America
- 2004
- Outstanding Faculty Teacher
- 1999
- Physicians Recognition Award
- 1998
- The Buswell Fellowship
- 1997
- Outstanding Faculty Teaching Award
Source: Dmand AI Professional Profile Data
Dr. Michelle Ann Grenier graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School
Dr. Grenier graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 1988. Dr. Grenier is a member of ACC.
- Medical school
- Board certified in pediatric cardiology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Michelle Ann Grenier accepts plans from 12 insurance carriers
Dr. Grenier is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Grenier accepts, by number of carriers
- Medicare8
- PPO8
- HMO7
- POS5
- Medicaid2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michelle Ann Grenier'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Michelle Ann Grenier
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. Michelle Ann Grenier's NPI number?
Dr. Michelle Ann Grenier's NPI number is 1316027675. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michelle Ann Grenier?
Dr. Michelle Ann Grenier is a pediatric cardiology physician in Pensacola, Florida. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).
Where does Dr. Michelle Ann Grenier practice?
Dr. Grenier practices at 750 Centerview Blvd, Kissimmee, FL 34741. Dr. Grenier also practices at 8331 N Davis Hwy, Pensacola, FL 32514. Dr. Grenier's primary practice is Nemours Children's Health, Osceola in Kissimmee, Florida. Dmand AI also links Dr. Grenier to 2 group practices and clinics and 2 medical groups.
What is Dr. Michelle Ann Grenier's office phone number?
The practice phone on file for Dr. Grenier is (302) 485-7015.
What is Dr. Michelle Ann Grenier's medical license number?
Dr. Grenier holds New Mexico license MD2014-0788, one of the licenses on file in 14 states.
Which states has Dr. Michelle Ann Grenier been licensed in?
Dmand AI has state licenses on file for Dr. Grenier in New Mexico (2014 to 2027), Colorado (2022 to 2027), Wyoming (2023 to 2026), Texas (1995 to 2025), California (2016 to 2020), Mississippi (2013 to 2016), Ohio (2009 to 2015), West Virginia (2010 to 2014), Indiana (2010 to 2013), Kentucky (2008 to 2013), Georgia (2002 to 2005), Virginia (1999 to 2002), New York (1997 to 2001) and Maryland (1991 to 1996).
What medical group is Dr. Michelle Ann Grenier part of?
Dr. Grenier is linked to Nemours Children's Hospital, Delaware. Dmand AI links Dr. Grenier to 2 more medical groups.
Does Dr. Michelle Ann Grenier accept Medicare?
Yes. CMS lists Dr. Grenier as accepting Medicare assignment.
Is Dr. Michelle Ann Grenier board certified?
Yes. Dr. Grenier is board certified in pediatric cardiology by the American Board of Pediatrics.
Where did Dr. Michelle Ann Grenier go to medical school?
Dr. Grenier graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 1988.
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Has Dr. Michelle Ann Grenier received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Dr. Grenier from 2 companies from 2016 to 2016. The largest total came from Braemar Manufacturing, LLC.
How long has Dr. Michelle Ann Grenier been practicing?
Dr. Grenier graduated from medical school in 1988, 38 years ago.
Does Dr. Michelle Ann Grenier do research?
Dmand AI links 40 publications to Dr. Grenier, published from 2005 to 2023.
Who does Dr. Michelle Ann Grenier publish with?
Dr. Grenier's most frequent co-authors are Jeffrey Towbin, MD (9 shared papers), Susan Warren Denfield, MD (5 shared papers) and William J. Dreyer, MD (4 shared papers).
What insurance does Dr. Michelle Ann Grenier accept?
Dr. Grenier is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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