Ryan Lyn Gerhartz, APNP
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 101
- Hospital affiliations
- 2
- Industry payments
- $37
- Medical groups
- 2
- Practice address
- 1531 S Madison St, Appleton, WI 54915
- Practice phone
- Call (920) 749-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Women's Health Specialists, S.c.
Women's health practice · Appleton, Wisconsin
Find Ryan Gerhartz'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.
Ryan Lyn Gerhartz is a women's health nurse practitioner in Appleton, Wisconsin
Ryan Gerhartz practices at Women's Health Specialists, S.c. in Appleton, Wisconsin.
Ryan Gerhartz's NPI, 1669771721, was assigned on March 15, 2011. Ryan Gerhartz graduated from University of Cincinnati College of Medicine in 2010. Ryan Gerhartz holds Wisconsin license 4346-033.
- NPI
- 1669771721NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103055082
- NPI enumeration date
- March 15, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 749-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan Lyn Gerhartz practices at Women's Health Specialists, S.c. in Appleton, Wisconsin
Ryan Gerhartz's primary practice is Women's Health Specialists, S.c., at 1531 S Madison St, Appleton, WI 54915. The practice phone is (920) 749-4000.
- Women's Health Specialists, S.c.1531 S Madison St, Appleton, WI 54915Phone(920) 749-4000
Source: Dmand AI Affiliation Data
Ryan Lyn Gerhartz is affiliated with 4 sites of care and 2 medical groups
Ryan Gerhartz's primary practice is Women's Health Specialists, S.c. in Appleton, Wisconsin. Ryan Gerhartz is also affiliated with ThedaCare Regional Medical Center-Appleton. The medical group on file is Women's Health Specialists, SC. Dmand AI also links Ryan Gerhartz to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ryan Lyn Gerhartz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Gerhartz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Women's Health Specialists, S.c. | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Ryan Lyn Gerhartz is one of 46 women's health nurse practitioners in Wisconsin
Women's health is Ryan Gerhartz's primary specialty in the NPI Registry, under taxonomy code 363LW0102X. Ryan Gerhartz is licensed in Wisconsin.
Specialties and state licenses
- Women's health nurse practitioner, WisconsinPrimary
Women's health nurse practitioners near Ryan Gerhartz
Counts of women's health nurse practitioners 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
Ryan Lyn Gerhartz treated 20 Medicare patients in 2024, average age 66
CMS counts 20 Medicare patients who saw Ryan Gerhartz in 2024. 65% of them have high cholesterol. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Gerhartz's median patient age at 34, with 99% women.
Chronic conditions among Ryan Gerhartz's Medicare patients, 2024
- High cholesterol65%
Share of Medicare patients with each condition. A patient can have several.
Ryan Gerhartz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan Lyn Gerhartz wrote 101 Medicare Part D claims in 2024
In 2024, Ryan Gerhartz wrote 101 Medicare Part D claims for 37 patients. 87% of them were for generic drugs.
Ryan Gerhartz's Part D claims by kind of drug, 2024
- Generic88 claims87%
- Brand-name13 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ryan Lyn Gerhartz takes part in Medicare
Ryan Gerhartz 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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Ryan Lyn Gerhartz received $37 in industry payments in 2025
CMS Open Payments shows 2 general payments to Ryan Gerhartz from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $23.
Companies that paid Ryan Gerhartz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ryan Lyn Gerhartz graduated from University of Cincinnati College of Medicine
Ryan Gerhartz graduated from University of Cincinnati College of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ryan Lyn Gerhartz'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 Data |
| 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 (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) |
| 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 Ryan Lyn Gerhartz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan Lyn Gerhartz's NPI number?
Ryan Lyn Gerhartz's NPI number is 1669771721. It was assigned on March 15, 2011, and it is active in the NPI Registry.
What does Ryan Lyn Gerhartz specialize in?
Ryan Lyn Gerhartz is a women's health nurse practitioner in Appleton, Wisconsin. The primary specialty in the NPI Registry is Women's Health Nurse Practitioner (taxonomy code 363LW0102X).
Where does Ryan Lyn Gerhartz practice?
Ryan Gerhartz practices at 1531 S Madison St, Appleton, WI 54915. Ryan Gerhartz's primary practice is Women's Health Specialists, S.c. in Appleton, Wisconsin. Dmand AI also links Ryan Gerhartz to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Ryan Lyn Gerhartz's office phone number?
The practice phone on file for Ryan Gerhartz is (920) 749-4000.
What is Ryan Lyn Gerhartz's medical license number?
Ryan Gerhartz holds Wisconsin license 4346-033.
Which hospitals is Ryan Lyn Gerhartz affiliated with?
Ryan Gerhartz is affiliated with ThedaCare Regional Medical Center-Appleton. Dmand AI links Ryan Gerhartz to 1 more hospital.
What medical group is Ryan Lyn Gerhartz part of?
Ryan Gerhartz is linked to Women's Health Specialists, SC. Dmand AI links Ryan Gerhartz to 1 more medical group.
Does Ryan Lyn Gerhartz accept Medicare?
Yes. CMS lists Ryan Gerhartz as accepting Medicare assignment.
How many Medicare patients does Ryan Lyn Gerhartz see?
CMS counts 20 Medicare patients who saw Ryan Gerhartz in 2024, with an average age of 66.
Where did Ryan Lyn Gerhartz go to medical school?
Ryan Gerhartz graduated from University of Cincinnati College of Medicine in 2010.
Has Ryan Lyn Gerhartz received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Ryan Gerhartz from 2 companies from 2025 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Ryan Lyn Gerhartz been practicing?
Ryan Gerhartz graduated from medical school in 2010, 16 years ago.
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