Dr. Brock John Gretter, MD
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 257
- Hospital affiliations
- 3
- Medical groups
- 2
- State license
- 1
- Practice address
- 1000 East Washington Street, Medina, OH 44256
- Practice phone
- Call (330) 725-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gretter'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. Brock John Gretter is an anesthesiologist in Medina, Ohio
Dr. Gretter practices at Medina Hospital in Medina, Ohio, part of The Cleveland Clinic Foundation.
Dr. Gretter's NPI, 1033275862, was assigned on December 28, 2006. Dr. Gretter graduated from Ohio State University College of Medicine in 2002. Dr. Gretter holds Ohio license 87971.
- NPI
- 1033275862NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527150598
- NPI enumeration date
- December 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 725-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brock John Gretter practices at Medina Hospital in Medina, Ohio
Dr. Gretter's primary practice is Medina Hospital, at 1000 East Washington Street, Medina, OH 44256 in Medina County. The practice phone is (330) 725-1000.
- Medina Hospital1000 East Washington Street, Medina, OH 44256 · Medina CountyPhone(330) 725-1000
Source: Dmand AI Affiliation Data
Dr. Brock John Gretter is affiliated with 3 sites of care and 2 medical groups
Dr. Gretter's primary practice is Medina Hospital in Medina, Ohio, part of The Cleveland Clinic Foundation. Dr. Gretter is also affiliated with Cleveland Clinic Main Campus. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Gretter to 1 more hospital and 1 medical group, 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. Brock John Gretter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gretter practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medina Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brock John Gretter is one of 1,673 anesthesiologists in Ohio
Anesthesiology is Dr. Gretter's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gretter is licensed in Ohio.
Specialties and state licenses
- Anesthesiology, OhioPrimary
Anesthesiologists near Dr. Gretter
Counts of anesthesiologists 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. Brock John Gretter billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Gretter across 5 procedure codes in 2024, for 257 Medicare patients. Medicare paid $7,678 for them.
Dr. Gretter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 692024: 12277%
- Surgery
- 2023: 182024: 1328%
Where Dr. Gretter's Medicare services took place, 2024
- In an office6347%
- In a facility7253%
Dr. Gretter compared with the Ohio median for anesthesiologists, 2024
- Dr. Gretter
- Ohio median
- Medicare services
- 135vs 7873% above
- Medicare patients
- 257vs 14577% above
Medians across 1,609 anesthesiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Gretter'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. Gretter and other anesthesiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brock John Gretter treated 257 Medicare patients in 2024, average age 73
CMS counts 257 Medicare patients who saw Dr. Gretter in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gretter's median patient age at 61, with 56% women.
Dr. Gretter's Medicare patients by age, 2024
Dr. Gretter's Medicare patients by sex, 2024
- Women14556%
- Men11244%
Chronic conditions among Dr. Gretter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Anxiety32%
- Chronic kidney disease30%
- Mood disorders30%
- Diabetes29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gretter'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%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Brock John Gretter takes part in Medicare
Dr. Gretter 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)
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Dr. Brock John Gretter graduated from Ohio State University College of Medicine
Dr. Gretter graduated from Ohio State University College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brock John Gretter'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Brock John Gretter
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. Brock John Gretter's NPI number?
Dr. Brock John Gretter's NPI number is 1033275862. It was assigned on December 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brock John Gretter?
Dr. Brock John Gretter is an anesthesiologist in Medina, Ohio. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Brock John Gretter practice?
Dr. Gretter practices at 1000 East Washington Street, Medina, OH 44256. Dr. Gretter's primary practice is Medina Hospital in Medina, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Gretter to 1 hospital and 1 medical group.
What is Dr. Brock John Gretter's office phone number?
The practice phone on file for Dr. Gretter is (330) 725-1000.
What is Dr. Brock John Gretter's medical license number?
Dr. Gretter holds Ohio license 87971.
Which hospitals is Dr. Brock John Gretter affiliated with?
Dr. Gretter practices at Medina Hospital in Medina, Ohio. Dr. Gretter is also affiliated with Cleveland Clinic Main Campus. Dmand AI links Dr. Gretter to 1 more hospital.
What medical group is Dr. Brock John Gretter part of?
Dr. Gretter is linked to Cleveland Clinic. Dmand AI links Dr. Gretter to 1 more medical group.
Does Dr. Brock John Gretter accept Medicare?
Yes. CMS data shows Dr. Gretter billed Medicare for 135 services in 2024, and Dr. Gretter accepts Medicare assignment.
How many Medicare patients does Dr. Brock John Gretter see?
CMS counts 257 Medicare patients who saw Dr. Gretter in 2024, with an average age of 73.
What services does Dr. Brock John Gretter bill to Medicare?
In 2024, Dr. Gretter's most billed Medicare services were anesthesia (00142), anesthesia (00811) and anesthesia (00320).
Where did Dr. Brock John Gretter go to medical school?
Dr. Gretter graduated from Ohio State University College of Medicine in 2002.
How long has Dr. Brock John Gretter been practicing?
Dr. Gretter graduated from medical school in 2002, 24 years ago.
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