Dr. Gregory E. Ferner, MD
- Medicare services, 2024
- 473
- Medicare patients, 2024
- 217
- Part D claims, 2024
- 365
- Hospital affiliations
- 1
- Industry payments
- $85
- Practice address
- 525 East Market Street, Akron, OH 44309
- Practice phone
- Call (330) 375-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ferner's professional email, personal email and mobile number
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Dr. Gregory E. Ferner is an internist in Akron, Ohio
Dr. Ferner practices at Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst.
Dr. Ferner's NPI, 1851327738, was assigned on June 23, 2006. Dr. Ferner holds Ohio license 35071291.
- NPI
- 1851327738NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951208511
- NPI enumeration date
- June 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 375-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory E. Ferner practices at Summa Health System - Akron Campus in Akron, Ohio
Dr. Ferner's primary practice is Summa Health System - Akron Campus, at 525 East Market Street, Akron, OH 44309 in Summit County. The practice phone is (330) 375-3000.
- Summa Health System - Akron Campus525 East Market Street, Akron, OH 44309 · Summit CountyPhone(330) 375-3000
Source: Dmand AI Affiliation Data
Dr. Gregory E. Ferner is affiliated with 4 sites of care and 3 medical groups
Dr. Ferner's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. The medical group on file is US Acute Care Solutions (USACS). Dmand AI also links Dr. Ferner to 3 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. Gregory E. Ferner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferner practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summa Health System - Akron Campus | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory E. Ferner is one of 4,708 internists in Ohio
Internal medicine is Dr. Ferner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ferner is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Ferner
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. Gregory E. Ferner billed Medicare for 473 services in 2024
CMS data shows 473 Medicare services from Dr. Ferner across 5 procedure codes in 2024, for 217 Medicare patients. Medicare paid $42,310 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ferner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4562024: 4734%
Dr. Ferner compared with the Ohio median for internists, 2024
- Dr. Ferner
- Ohio median
- Medicare services
- 473vs 487Close to median
- Medicare patients
- 217vs 19213% above
- Part D claims
- 131vs 29455% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Ferner'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. Gregory E. Ferner treated 217 Medicare patients in 2024, average age 75
CMS counts 217 Medicare patients who saw Dr. Ferner in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.39, 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. Ferner's median patient age at 72, with 57% women.
Dr. Ferner's Medicare patients by age, 2024
Dr. Ferner's Medicare patients by sex, 2024
- Women13361%
- Men8439%
Chronic conditions among Dr. Ferner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Mood disorders55%
- Chronic kidney disease52%
- Anxiety51%
- Depression51%
- COPD47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ferner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory E. Ferner wrote 365 Medicare Part D claims in 2024
In 2024, Dr. Ferner wrote 365 Medicare Part D claims for 151 patients. 87% of them were for generic drugs. CMS names the drug for 131 of them, across 8 drugs with 11 or more claims each, at $394 in total drug cost. In 2023, CMS named 250 claims across 15 drugs.
Dr. Ferner's Part D claims by kind of drug, 2024
- Generic318 claims87%
- Brand-name and other47 claims13%
Dr. Ferner'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. Ferner's Part D claims, 2024
- Opioids4%15 of 365 claims
- Antibiotics10%36 of 365 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: 2502024: 13148%
Drugs named by CMS: 8 in 2024, 15 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
How Dr. Gregory E. Ferner takes part in Medicare
Dr. Ferner 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. Gregory E. Ferner received $85 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Ferner from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Vapotherm Inc paid the most, $49.
General payments to Dr. Ferner by program year, 2016 to 2017
Companies that paid Dr. Ferner the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory E. Ferner'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gregory E. Ferner
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. Gregory E. Ferner's NPI number?
Dr. Gregory E. Ferner's NPI number is 1851327738. It was assigned on June 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory E. Ferner?
Dr. Gregory E. Ferner is an internist in Akron, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory E. Ferner practice?
Dr. Ferner practices at 525 East Market Street, Akron, OH 44309. Dr. Ferner's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. Dmand AI also links Dr. Ferner to 3 group practices and clinics and 2 medical groups.
What is Dr. Gregory E. Ferner's office phone number?
The practice phone on file for Dr. Ferner is (330) 375-3000.
What is Dr. Gregory E. Ferner's medical license number?
Dr. Ferner holds Ohio license 35071291.
Which hospitals is Dr. Gregory E. Ferner affiliated with?
Dr. Ferner practices at Summa Health System - Akron Campus in Akron, Ohio.
What medical group is Dr. Gregory E. Ferner part of?
Dr. Ferner is linked to US Acute Care Solutions (USACS). Dmand AI links Dr. Ferner to 2 more medical groups.
Does Dr. Gregory E. Ferner accept Medicare?
Yes. CMS data shows Dr. Ferner billed Medicare for 473 services in 2024, and Dr. Ferner accepts Medicare assignment.
How many Medicare patients does Dr. Gregory E. Ferner see?
CMS counts 217 Medicare patients who saw Dr. Ferner in 2024, with an average age of 75.
What services does Dr. Gregory E. Ferner bill to Medicare?
In 2024, Dr. Ferner's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
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What drugs does Dr. Gregory E. Ferner prescribe most?
In 2024 Medicare Part D data, Dr. Ferner's most prescribed drugs by claims were Pantoprazole Sodium, Prednisone and Atorvastatin Calcium.
Has Dr. Gregory E. Ferner received payments from drug or device companies?
CMS Open Payments shows $85 in general payments to Dr. Ferner from 3 companies from 2016 to 2017. The largest total came from Vapotherm Inc.
How long has Dr. Gregory E. Ferner been practicing?
Dr. Ferner graduated from medical school in 1995, 31 years ago.
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