Brain IschemiaEndovascular ProceduresExtracorporeal Membrane Oxygenation
Dr. Audrey Nathalie Grenga, MD
NPI1467849448PAC ID0547513277
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 38
- Publications
- 2
- MIPS score, 2024
- 81
- Practice address
- 1 Prestige Pl, Miamisburg, OH 45342
- Practice phone
- Call (937) 762-1629
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kettering Independent Medical Group Inc
Miamisburg, Ohio
Find Dr. Grenga'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. Audrey Nathalie Grenga is a neurosurgeon in Miamisburg, Ohio
Dr. Grenga practices at Kettering Independent Medical Group Inc in Miamisburg, Ohio.
Dr. Grenga's NPI, 1467849448, was assigned on April 17, 2015. Dr. Grenga graduated from University of South Alabama College of Medicine in 2015. Dr. Grenga holds Ohio license 35.145197.
NPI and contact details
- NPI
- 1467849448NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547513277
- NPI enumeration date
- April 17, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (937) 762-1629
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Audrey Nathalie Grenga practices at Kettering Independent Medical Group Inc in Miamisburg, Ohio
Dr. Grenga's primary practice is Kettering Independent Medical Group Inc, at 1 Prestige Pl, Miamisburg, OH 45342 in Montgomery County. The practice phone is (937) 762-1629.
- Kettering Independent Medical Group Inc1 Prestige Pl, Miamisburg, OH 45342 · Montgomery CountyPhone(937) 762-1629
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Audrey Nathalie Grenga is affiliated with 5 sites of care and 1 medical group
Dr. Grenga's primary practice is Kettering Independent Medical Group Inc in Miamisburg, Ohio. Dr. Grenga is also affiliated with Kettering Health Dayton. The medical group on file is Kettering Health Medical Group. Dmand AI also links Dr. Grenga to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Kettering Independent Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Audrey Nathalie Grenga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grenga practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kettering Independent Medical Group Inc | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Grenga practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Audrey Nathalie Grenga is one of 320 neurosurgeons in Ohio
Neurological surgery is Dr. Grenga's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Grenga is licensed in Ohio.
Specialties and state licenses
- Neurological surgery, OhioPrimary
Neurosurgeons near Dr. Grenga
Counts of neurosurgeons 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. Audrey Nathalie Grenga billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Dr. Grenga across 4 procedure codes in 2024, for 68 Medicare patients. Medicare paid $5,298 for them. Every service was in an office.
Medicare services, 202485
Medicare patients68
Paid by Medicare$5,298
Procedure codes4
Dr. Grenga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 212024: 55162%
- Other services
- 2023: 02024: 30
Dr. Grenga compared with the Ohio median for neurosurgeons, 2024
- Dr. Grenga
- Ohio median
- Medicare services
- 85vs 20659% below
- Medicare patients
- 68vs 14854% below
- Part D claims
- 20vs 4556% below
Medians across 273 neurosurgeons in Ohio with Dmand AI profiles that report each measure.
Dr. Grenga'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. Grenga?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grenga and other neurosurgeons in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Audrey Nathalie Grenga treated 68 Medicare patients in 2024, average age 73
CMS counts 68 Medicare patients who saw Dr. Grenga in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grenga's median patient age at 65, with 60% women.
Medicare patients, 202468
Average age73
Average risk score1.20
Dr. Grenga's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grenga's Medicare patients by sex, 2024
- Women3957%
- Men2943%
Chronic conditions among Dr. Grenga's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes44%
- Mood disorders44%
- Depression41%
- Ischemic heart disease40%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grenga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Audrey Nathalie Grenga wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Grenga wrote 38 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $531 in total drug cost.
Part D claims, 202438
Drugs named by CMS1
Total drug cost$531
Part D patients16
Dr. Grenga'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.
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. Audrey Nathalie Grenga scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Grenga for performance year 2024, reported as part of a group. Dr. Grenga accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of spinal fusion by Dr. Grenga, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grenga's MIPS scores, performance year 2024
- 81of 100Final score
- 63.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grenga ranks in Medicare procedure volume
- Spinal fusion
- 42nd percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find neurosurgeons like Dr. Grenga by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Audrey Nathalie Grenga has 2 publications on record
Dmand AI links 2 papers to Dr. Grenga, published from 2020 to 2023. Dr. Grenga's most frequent co-authors are Bryan Barrus, MD, Igor Gosev, MD, PhD and Yang Gu, MD.
Papers2
Years published2020 to 2023
Dr. Grenga's most frequent co-authors
Recent publications by Dr. Grenga
See who Dr. Grenga researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grenga works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Audrey Nathalie Grenga received $121 in industry payments from 2022 to 2023
CMS Open Payments shows 3 general payments to Dr. Grenga from 3 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $93.
General payments to Dr. Grenga by program year, 2022 to 2023
Companies that paid Dr. Grenga the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Audrey Nathalie Grenga graduated from University of South Alabama College of Medicine
Dr. Grenga graduated from University of South Alabama College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Audrey Nathalie Grenga'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) |
| 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| 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. Audrey Nathalie Grenga
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. Audrey Nathalie Grenga's NPI number?
Dr. Audrey Nathalie Grenga's NPI number is 1467849448. It was assigned on April 17, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Audrey Nathalie Grenga?
Dr. Audrey Nathalie Grenga is a neurosurgeon in Miamisburg, Ohio. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Audrey Nathalie Grenga practice?
Dr. Grenga practices at 1 Prestige Pl, Miamisburg, OH 45342. Dr. Grenga's primary practice is Kettering Independent Medical Group Inc in Miamisburg, Ohio. Dmand AI also links Dr. Grenga to 2 hospitals and 1 group practice or clinic.
What is Dr. Audrey Nathalie Grenga's office phone number?
The practice phone on file for Dr. Grenga is (937) 762-1629.
What is Dr. Audrey Nathalie Grenga's medical license number?
Dr. Grenga holds Ohio license 35.145197.
Which hospitals is Dr. Audrey Nathalie Grenga affiliated with?
Dr. Grenga is affiliated with Kettering Health Dayton. Dmand AI links Dr. Grenga to 2 more hospitals.
What medical group is Dr. Audrey Nathalie Grenga part of?
Dr. Grenga is linked to Kettering Health Medical Group.
Does Dr. Audrey Nathalie Grenga accept Medicare?
Yes. CMS data shows Dr. Grenga billed Medicare for 85 services in 2024, and Dr. Grenga accepts Medicare assignment.
What is Dr. Audrey Nathalie Grenga's MIPS score?
Dr. Grenga's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Audrey Nathalie Grenga see?
CMS counts 68 Medicare patients who saw Dr. Grenga in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Audrey Nathalie Grenga bill to Medicare?
In 2024, Dr. Grenga's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Audrey Nathalie Grenga go to medical school?
Dr. Grenga graduated from University of South Alabama College of Medicine in 2015.
What drugs does Dr. Audrey Nathalie Grenga prescribe most?
In 2024 Medicare Part D data, Dr. Grenga's most prescribed drugs by claims were Celecoxib.
Has Dr. Audrey Nathalie Grenga received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Grenga from 3 companies from 2022 to 2023. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Audrey Nathalie Grenga been practicing?
Dr. Grenga graduated from medical school in 2015, 11 years ago.
Does Dr. Audrey Nathalie Grenga do research?
Dmand AI links 2 publications to Dr. Grenga, published from 2020 to 2023.
Who does Dr. Audrey Nathalie Grenga publish with?
Dr. Grenga's most frequent co-authors are Bryan Barrus, MD (1 shared paper), Igor Gosev, MD, PhD (1 shared paper) and Yang Gu, MD (1 shared paper).
Selling to neurological surgery practices?
See neurosurgeons in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card