Stephanie Zwonitzer, CRNP
- Medicare patients, 2024
- 1,141
- Part D claims, 2024
- 1,728
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Industry payments
- $3,782
- Practice address
- 251 National Harbor Blvd, Oxon Hill, MD 20745
- Practice phone
- Call (855) 527-7246
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clearway Surgery Center of National Harbor LLC
Oxon Hill, Maryland
Find Stephanie Zwonitzer'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.
Stephanie Zwonitzer is a nurse practitioner in Oxon Hill, Maryland
Stephanie Zwonitzer practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland.
Stephanie Zwonitzer's NPI, 1013457050, was assigned on February 23, 2017. Stephanie Zwonitzer graduated from University of South Alabama College of Medicine in 2016. Stephanie Zwonitzer holds Maryland license R201878.
- NPI
- 1013457050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608143219
- NPI enumeration date
- February 23, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (855) 527-7246
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie Zwonitzer practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland
Stephanie Zwonitzer's primary practice is Clearway Surgery Center of National Harbor LLC, at 251 National Harbor Blvd, Oxon Hill, MD 20745 in Prince Georges County. The practice phone is (855) 527-7246.
- Clearway Surgery Center of National Harbor LLC251 National Harbor Blvd, Oxon Hill, MD 20745 · Prince Georges CountyPhone(855) 527-7246
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephanie Zwonitzer is affiliated with 4 sites of care and 2 medical groups
Stephanie Zwonitzer's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. Stephanie Zwonitzer is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is Chesapeake Urology Associates. Dmand AI also links Stephanie Zwonitzer to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephanie Zwonitzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Zwonitzer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clearway Surgery Center of National Harbor LLC | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie Zwonitzer is one of 1,032 nurse practitioners in Maryland
Nurse practitioner is Stephanie Zwonitzer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Stephanie Zwonitzer is licensed in Maryland.
Specialties and state licenses
- Nurse practitioner, MarylandPrimary
Nurse practitioners near Stephanie Zwonitzer
Counts of 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
Stephanie Zwonitzer treated 1,141 Medicare patients in 2024, average age 76
CMS counts 1,141 Medicare patients who saw Stephanie Zwonitzer in 2024. The largest group is 75 to 84, with 499 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephanie Zwonitzer's median patient age at 66, with 33% women.
Stephanie Zwonitzer's Medicare patients by age, 2024
Stephanie Zwonitzer's Medicare patients by sex, 2024
- Women41336%
- Men72864%
Chronic conditions among Stephanie Zwonitzer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes32%
- Ischemic heart disease30%
- Cancer28%
- Mood disorders25%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Stephanie Zwonitzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women33%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephanie Zwonitzer wrote 1,728 Medicare Part D claims in 2024
In 2024, Stephanie Zwonitzer wrote 1,728 Medicare Part D claims for 542 patients. 77% of them were for generic drugs.
Stephanie Zwonitzer's Part D claims by kind of drug, 2024
- Generic1,327 claims77%
- Brand-name and other401 claims23%
Drug classes CMS tracks in Stephanie Zwonitzer's Part D claims, 2024
- Antibiotics12%210 of 1,728 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Stephanie Zwonitzer scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Stephanie Zwonitzer for performance year 2024, reported as part of a group. Stephanie Zwonitzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stephanie Zwonitzer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Stephanie Zwonitzer's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Stephanie Zwonitzer received $3,782 in industry payments in 2025
CMS Open Payments shows 28 general payments to Stephanie Zwonitzer from 16 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 79% of the total. Boston Scientific Corporation paid the most, $3,074.
General payments to Stephanie Zwonitzer by kind, 2025 to 2025
- Speaker and faculty fees$3,00079%
- Food and beverage$78221%
Companies that paid Stephanie Zwonitzer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephanie Zwonitzer graduated from University of South Alabama College of Medicine
Stephanie Zwonitzer graduated from University of South Alabama College of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephanie Zwonitzer'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Stephanie Zwonitzer
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What is Stephanie Zwonitzer's NPI number?
Stephanie Zwonitzer's NPI number is 1013457050. It was assigned on February 23, 2017, and it is active in the NPI Registry.
What does Stephanie Zwonitzer specialize in?
Stephanie Zwonitzer is a nurse practitioner in Oxon Hill, Maryland. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Stephanie Zwonitzer practice?
Stephanie Zwonitzer practices at 251 National Harbor Blvd, Oxon Hill, MD 20745. Stephanie Zwonitzer's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. Dmand AI also links Stephanie Zwonitzer to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Stephanie Zwonitzer's office phone number?
The practice phone on file for Stephanie Zwonitzer is (855) 527-7246.
What is Stephanie Zwonitzer's medical license number?
Stephanie Zwonitzer holds Maryland license R201878.
Which hospitals is Stephanie Zwonitzer affiliated with?
Stephanie Zwonitzer is affiliated with Luminis Health Anne Arundel Medical Center. Dmand AI links Stephanie Zwonitzer to 1 more hospital.
What medical group is Stephanie Zwonitzer part of?
Stephanie Zwonitzer is linked to Chesapeake Urology Associates. Dmand AI links Stephanie Zwonitzer to 1 more medical group.
Does Stephanie Zwonitzer accept Medicare?
Yes. CMS lists Stephanie Zwonitzer as accepting Medicare assignment.
Does Stephanie Zwonitzer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Stephanie Zwonitzer as offering telehealth services.
What is Stephanie Zwonitzer's MIPS score?
Stephanie Zwonitzer's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Stephanie Zwonitzer see?
CMS counts 1,141 Medicare patients who saw Stephanie Zwonitzer in 2024, with an average age of 76.
Where did Stephanie Zwonitzer go to medical school?
Stephanie Zwonitzer graduated from University of South Alabama College of Medicine in 2016.
Has Stephanie Zwonitzer received payments from drug or device companies?
CMS Open Payments shows $3,782 in general payments to Stephanie Zwonitzer from 16 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Stephanie Zwonitzer been practicing?
Stephanie Zwonitzer graduated from medical school in 2016, 10 years ago.
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