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Dr. Michael Grainger, MD
NPI1952426983PAC ID4688608318
- Medicare services, 2024
- 5,170
- Medicare patients, 2024
- 3,643
- Publications
- 1
- MIPS score, 2024
- 75
- Hospital affiliations
- 5
- Practice address
- 3300 S Fiske Blvd, Rockledge, FL 32955
- Practice phone
- Call (321) 434-5055
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Health First Medical Group
Rockledge, Florida
Find Dr. Grainger'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. Michael Grainger is a diagnostic radiologist in Rockledge, Florida
Dr. Grainger practices at Health First Medical Group in Rockledge, Florida.
Dr. Grainger's NPI, 1952426983, was assigned on March 20, 2007. Dr. Grainger graduated from University of Miami, Miller School of Medicine in 2000. Dr. Grainger holds Florida license ME98264.
NPI and contact details
- NPI
- 1952426983NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688608318
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (321) 434-5055
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Grainger practices at Health First Medical Group in Rockledge, Florida
Dr. Grainger's primary practice is Health First Medical Group, at 3300 S Fiske Blvd, Rockledge, FL 32955 in Brevard County. The practice phone is (321) 434-5055.
- Health First Medical Group3300 S Fiske Blvd, Rockledge, FL 32955 · Brevard CountyPhone(321) 434-5055
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Grainger is affiliated with 7 sites of care and 5 medical groups
Dr. Grainger's primary practice is Health First Medical Group in Rockledge, Florida. Dr. Grainger is also affiliated with Holmes Regional Medical Center. The medical group on file is Brevard Physician Associates. Dmand AI also links Dr. Grainger to 4 more hospitals, 4 medical groups and 1 group practice or clinic, each named with a free account.
Health First Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Grainger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grainger practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Health First Medical Group | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Grainger is one of 2,422 diagnostic radiologists in Florida
Diagnostic radiology is Dr. Grainger's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Grainger is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Grainger's licenses on file in 2 states: Florida and North Carolina.
Specialties and state licenses
- Diagnostic radiology, FloridaPrimary
- Body imaging, North Carolina
Diagnostic radiologists near Dr. Grainger
Counts of diagnostic radiologists 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 Grainger billed Medicare for 5,170 services in 2024
CMS data shows 5,170 Medicare services from Dr. Grainger across 74 procedure codes in 2024, for 3,643 Medicare patients. Medicare paid $144,675 for them.
Medicare services, 20245,170
Medicare patients3,643
Paid by Medicare$144,675
Procedure codes74
Dr. Grainger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5,6002024: 4,74715%
- Tests and treatments
- 2023: 2522024: 28413%
- Other services
- 2023: 14,2732024: 12699%
- Surgery
- 2023: 342024: 1362%
Where Dr. Grainger's Medicare services took place, 2024
- In an office1022%
- In a facility5,06898%
Dr. Grainger compared with the Florida median for diagnostic radiologists, 2024
- Dr. Grainger
- Florida median
- Medicare services
- 5,170vs 2,94875% above
- Medicare patients
- 3,643vs 1,6042.3 times
Medians across 2,249 diagnostic radiologists in Florida with Dmand AI profiles that report each measure.
Dr. Grainger'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.
Need commercial claims for Dr. Grainger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grainger and other diagnostic radiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Grainger treated 3,643 Medicare patients in 2024, average age 76
CMS counts 3,643 Medicare patients who saw Dr. Grainger in 2024. The largest group is 75 to 84, with 1,369 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.85, 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. Grainger's median patient age at 74, with 55% women.
Medicare patients, 20243,643
Average age76
Average risk score1.85
Also on Medicaid12%
Dr. Grainger's Medicare patients by age, 2024
Dr. Grainger's Medicare patients by sex, 2024
- Women1,99855%
- Men1,64545%
Chronic conditions among Dr. Grainger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease45%
- Chronic kidney disease42%
- Diabetes39%
- Anxiety38%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grainger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Grainger scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Grainger for performance year 2024, reported as part of a group. Dr. Grainger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael Grainger has 1 publication on record
Dmand AI links 1 paper to Dr. Grainger.
Papers1
Recent publications by Dr. Grainger
See who Dr. Grainger researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grainger works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Grainger received $8,996 in industry payments from 2018 to 2025
CMS Open Payments shows 55 general payments to Dr. Grainger from 5 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 84% of the total. Allergan Inc. paid the most, $8,204.
General payments to Dr. Grainger by program year, 2018 to 2025
General payments to Dr. Grainger by kind, 2018 to 2025
$9Kin total
- Speaker and faculty fees$7,53384%
- Food and beverage$1,46416%
Companies that paid Dr. Grainger the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Grainger has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grainger, most recently Resident/Fellow Research Award in 2003.
Awards and honors for Dr. Grainger
- 2003
- Resident/Fellow Research Award
Source: Dmand AI Professional Profile Data
Dr. Michael Grainger graduated from University of Miami, Miller School of Medicine
Dr. Grainger graduated from University of Miami, Miller School of Medicine in 2000. Dr. Grainger is a member of ACR, ARRS, Florida Radiological Society, RSNA and Society of Thoracic Radiology.
- Medical school
- Board certified in diagnostic radiology
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Michael Grainger accepts plans from 3 insurance carriers
Dr. Grainger is in network with 3 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
- RI State Medicaid
Plan types Dr. Grainger accepts, by number of carriers
- Medicare2
- EPO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Grainger'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Michael Grainger
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 Grainger's NPI number?
Dr. Michael Grainger's NPI number is 1952426983. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Grainger?
Dr. Michael Grainger is a diagnostic radiologist in Rockledge, Florida. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Michael Grainger practice?
Dr. Grainger practices at 3300 S Fiske Blvd, Rockledge, FL 32955. Dr. Grainger's primary practice is Health First Medical Group in Rockledge, Florida. Dmand AI also links Dr. Grainger to 4 hospitals, 4 medical groups and 1 group practice or clinic.
What is Dr. Michael Grainger's office phone number?
The practice phone on file for Dr. Grainger is (321) 434-5055.
What is Dr. Michael Grainger's medical license number?
Dr. Grainger holds Florida license ME98264, one of the licenses on file in 2 states.
Which states has Dr. Michael Grainger been licensed in?
Dmand AI has state licenses on file for Dr. Grainger in Florida (2007 to 2027) and North Carolina (2005 to 2025).
Which hospitals is Dr. Michael Grainger affiliated with?
Dr. Grainger is affiliated with Holmes Regional Medical Center. Dmand AI links Dr. Grainger to 4 more hospitals.
What medical group is Dr. Michael Grainger part of?
Dr. Grainger is linked to Brevard Physician Associates. Dmand AI links Dr. Grainger to 4 more medical groups.
Does Dr. Michael Grainger accept Medicare?
Yes. CMS data shows Dr. Grainger billed Medicare for 5,170 services in 2024, and Dr. Grainger accepts Medicare assignment.
What is Dr. Michael Grainger's MIPS score?
Dr. Grainger's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Grainger see?
CMS counts 3,643 Medicare patients who saw Dr. Grainger in 2024, with an average age of 76.
Is Dr. Michael Grainger board certified?
Yes. Dr. Grainger is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Michael Grainger bill to Medicare?
In 2024, Dr. Grainger's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (74177).
Where did Dr. Michael Grainger go to medical school?
Dr. Grainger graduated from University of Miami, Miller School of Medicine in 2000.
Has Dr. Michael Grainger received payments from drug or device companies?
CMS Open Payments shows $8,996 in general payments to Dr. Grainger from 5 companies from 2018 to 2025. The largest total came from Allergan Inc.
How long has Dr. Michael Grainger been practicing?
Dr. Grainger graduated from medical school in 2000, 26 years ago.
Does Dr. Michael Grainger do research?
Dmand AI links 1 publication to Dr. Grainger.
What insurance does Dr. Michael Grainger accept?
Dr. Grainger is in network with 3 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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