Dr. Ryan L. Gerritsen, MD
- Medicare services, 2024
- 436
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 995
- Hospital affiliations
- 1
- Industry payments
- $4,707
- 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. Gerritsen'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. Ryan L. Gerritsen is an otolaryngology/facial plastic surgery physician in Akron, Ohio
Dr. Gerritsen practices at Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst.
Dr. Gerritsen's NPI, 1548689730, was assigned on April 15, 2014. Dr. Gerritsen graduated from Ohio State College of Medicine in 2014. Dr. Gerritsen's Ohio license number on file is 35.138042.
- NPI
- 1548689730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274756192
- NPI enumeration date
- April 15, 2014
- 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
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan L. Gerritsen practices at Summa Health System - Akron Campus in Akron, Ohio
Dr. Gerritsen'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. Ryan L. Gerritsen is affiliated with 2 sites of care and 1 medical group
Dr. Gerritsen's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. The medical group on file is Summa Health Medical Group. Dmand AI also links Dr. Gerritsen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan L. Gerritsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerritsen practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan L. Gerritsen is one of 30 otolaryngology/facial plastic surgery physicians in Ohio
Otolaryngology/facial plastic surgery is Dr. Gerritsen's primary specialty in the NPI Registry, under taxonomy code 207YX0905X. Dr. Gerritsen is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Gerritsen's licenses on file in 3 states: Ohio, Pennsylvania and Delaware.
Specialties and state licenses
- Otolaryngology/facial plastic surgery, OhioPrimary
- Pennsylvania license
- Delaware license
Clinical focus
Dmand AI lists chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, endoscopic sinus surgery, hearing loss and impairment, larynx and vocal cord disease, loss of balance and swimmer's ear among the conditions Dr. Gerritsen treats.
Otolaryngology/facial plastic surgery physicians near Dr. Gerritsen
Counts of otolaryngology/facial plastic surgery 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. Ryan L. Gerritsen billed Medicare for 436 services in 2024
CMS data shows 436 Medicare services from Dr. Gerritsen across 7 procedure codes in 2024, for 193 Medicare patients. Medicare paid $35,959 for them. Every service was in an office.
Dr. Gerritsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2652024: 2909%
- Surgery
- 2023: 1162024: 14626%
Dr. Gerritsen compared with the Ohio median for otolaryngology/facial plastic surgery physicians, 2024
- Dr. Gerritsen
- Ohio median
- Medicare services
- 436vs 30642% above
- Medicare patients
- 193vs 15425% above
- Part D claims
- 896vs 1287.0 times
Medians across 29 otolaryngology/facial plastic surgery physicians in Ohio with Dmand AI profiles that report each measure.
Dr. Gerritsen'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. Gerritsen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerritsen and other otolaryngology/facial plastic surgery physicians in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan L. Gerritsen treated 193 Medicare patients in 2024, average age 72
CMS counts 193 Medicare patients who saw Dr. Gerritsen in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gerritsen's median patient age at 57, with 53% women.
Dr. Gerritsen's Medicare patients by age, 2024
Dr. Gerritsen's Medicare patients by sex, 2024
- Women9047%
- Men10353%
Chronic conditions among Dr. Gerritsen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis50%
- Anxiety32%
- Diabetes32%
- Ischemic heart disease32%
- COPD30%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerritsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan L. Gerritsen wrote 995 Medicare Part D claims in 2024
In 2024, Dr. Gerritsen wrote 995 Medicare Part D claims for 336 patients. 97% of them were for generic drugs. CMS names the drug for 896 of them, across 21 drugs with 11 or more claims each, at $22,854 in total drug cost. In 2023, CMS named 754 claims across 15 drugs.
Dr. Gerritsen's Part D claims by kind of drug, 2024
- Generic964 claims97%
- Brand-name31 claims3%
Dr. Gerritsen'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. Gerritsen's Part D claims, 2024
- Opioids8%82 of 995 claims
- Antibiotics14%137 of 995 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: 7542024: 89619%
Drugs named by CMS: 21 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. Ryan L. Gerritsen takes part in Medicare
Dr. Gerritsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan L. Gerritsen received $4,707 in industry payments from 2017 to 2025
CMS Open Payments shows 90 general payments to Dr. Gerritsen from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 74% of the total. Inspire Medical Systems, Inc. paid the most, $2,412.
General payments to Dr. Gerritsen by program year, 2017 to 2025
General payments to Dr. Gerritsen by kind, 2017 to 2025
- Food and beverage$3,50074%
- Travel and lodging$91619%
- Education$2916%
Companies that paid Dr. Gerritsen the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan L. Gerritsen graduated from Ohio State College of Medicine
Dr. Gerritsen graduated from Ohio State College of Medicine in 2014.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Ryan L. Gerritsen accepts plans from 17 insurance carriers
Dr. Gerritsen is in network with 17 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Elevance
- HCSC
- Molina
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Gerritsen accepts, by number of carriers
- PPO10
- HMO9
- Medicare9
- EPO4
- POS3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan L. Gerritsen'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ryan L. Gerritsen
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. Ryan L. Gerritsen's NPI number?
Dr. Ryan L. Gerritsen's NPI number is 1548689730. It was assigned on April 15, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan L. Gerritsen?
Dr. Ryan L. Gerritsen is an otolaryngology/facial plastic surgery physician in Akron, Ohio. The primary specialty in the NPI Registry is Otolaryngology/Facial Plastic Surgery Physician (taxonomy code 207YX0905X).
Where does Dr. Ryan L. Gerritsen practice?
Dr. Gerritsen practices at 525 East Market Street, Akron, OH 44309. Dr. Gerritsen's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. Dmand AI also links Dr. Gerritsen to 1 group practice or clinic.
What is Dr. Ryan L. Gerritsen's office phone number?
The practice phone on file for Dr. Gerritsen is (330) 375-3000.
What is Dr. Ryan L. Gerritsen's medical license number?
Dr. Gerritsen's Ohio license number on file is 35.138042, one of the licenses on file in 3 states.
Which states has Dr. Ryan L. Gerritsen been licensed in?
Dmand AI has state licenses on file for Dr. Gerritsen in Ohio (2019 to 2025), Pennsylvania (2014 to 2021) and Delaware (2016 to 2018).
Which hospitals is Dr. Ryan L. Gerritsen affiliated with?
Dr. Gerritsen practices at Summa Health System - Akron Campus in Akron, Ohio.
What medical group is Dr. Ryan L. Gerritsen part of?
Dr. Gerritsen is linked to Summa Health Medical Group.
Does Dr. Ryan L. Gerritsen accept Medicare?
Yes. CMS data shows Dr. Gerritsen billed Medicare for 436 services in 2024, and Dr. Gerritsen accepts Medicare assignment.
How many Medicare patients does Dr. Ryan L. Gerritsen see?
CMS counts 193 Medicare patients who saw Dr. Gerritsen in 2024, with an average age of 72.
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Is Dr. Ryan L. Gerritsen board certified?
Yes. Dr. Gerritsen is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Ryan L. Gerritsen bill to Medicare?
In 2024, Dr. Gerritsen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: lungs and airway (31575).
Where did Dr. Ryan L. Gerritsen go to medical school?
Dr. Gerritsen graduated from Ohio State College of Medicine in 2014.
What drugs does Dr. Ryan L. Gerritsen prescribe most?
In 2024 Medicare Part D data, Dr. Gerritsen's most prescribed drugs by claims were Omeprazole, Ipratropium Bromide and Mupirocin.
Has Dr. Ryan L. Gerritsen received payments from drug or device companies?
CMS Open Payments shows $4,707 in general payments to Dr. Gerritsen from 14 companies from 2017 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. Ryan L. Gerritsen been practicing?
Dr. Gerritsen graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Ryan L. Gerritsen accept?
Dr. Gerritsen is in network with 17 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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