Christina Johannessen, FNP
- Medicare patients, 2024
- 699
- Part D claims, 2024
- 829
- Industry payments
- $17
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 203 Perry Pkwy, Gaithersburg, MD 20877
- Practice phone
- Call (571) 366-8850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Privia Medical Group
Gaithersburg, Maryland
Find Christina Johannessen'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.
Christina Johannessen is a family nurse practitioner in Gaithersburg, Maryland
Christina Johannessen practices at Privia Medical Group in Gaithersburg, Maryland.
Christina Johannessen's NPI, 1932862919, was assigned on October 18, 2021. Christina Johannessen holds Maryland license R208852.
- NPI
- 1932862919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800287558
- NPI enumeration date
- October 18, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (571) 366-8850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christina Johannessen practices at Privia Medical Group in Gaithersburg, Maryland
Christina Johannessen's primary practice is Privia Medical Group, at 203 Perry Pkwy, Gaithersburg, MD 20877 in Montgomery County. The practice phone is (571) 366-8850.
- Privia Medical Group203 Perry Pkwy, Gaithersburg, MD 20877 · Montgomery CountyPhone(571) 366-8850
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christina Johannessen is affiliated with 3 sites of care and 2 medical groups
Christina Johannessen's primary practice is Privia Medical Group in Gaithersburg, Maryland. The medical group on file is Privia Medical Group. Dmand AI also links Christina Johannessen to 2 more group practices and clinics 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 Christina Johannessen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christina Johannessen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Privia Medical Group | 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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Christina Johannessen is one of 3,917 family nurse practitioners in Maryland
Family is Christina Johannessen's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Christina Johannessen's licenses on file in 2 states: Maryland and Hawaii.
Specialties and state licenses
- Family nurse practitioner, MarylandPrimary
- Hawaii license
Family nurse practitioners near Christina Johannessen
Counts of family 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
Christina Johannessen treated 699 Medicare patients in 2024, average age 77
CMS counts 699 Medicare patients who saw Christina Johannessen in 2024. The largest group is 75 to 84, with 309 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christina Johannessen's median patient age at 58, with 79% women.
Christina Johannessen's Medicare patients by age, 2024
Christina Johannessen's Medicare patients by sex, 2024
- Women48469%
- Men21531%
Chronic conditions among Christina Johannessen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis48%
- Osteoporosis30%
- Mood disorders23%
- Anxiety22%
- Depression22%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Christina Johannessen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women79%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christina Johannessen wrote 829 Medicare Part D claims in 2024
In 2024, Christina Johannessen wrote 829 Medicare Part D claims for 378 patients. 89% of them were for generic drugs.
Christina Johannessen's Part D claims by kind of drug, 2024
- Generic740 claims89%
- Brand-name and other89 claims11%
Drug classes CMS tracks in Christina Johannessen's Part D claims, 2024
- Opioids2%14 of 829 claims
- Antibiotics25%205 of 829 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
Christina Johannessen offers telehealth to Medicare patients
Christina Johannessen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christina Johannessen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Christina Johannessen received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Christina Johannessen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $17.
Companies that paid Christina Johannessen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christina Johannessen'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) |
| 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 Christina Johannessen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christina Johannessen's NPI number?
Christina Johannessen's NPI number is 1932862919. It was assigned on October 18, 2021, and it is active in the NPI Registry.
What does Christina Johannessen specialize in?
Christina Johannessen is a family nurse practitioner in Gaithersburg, Maryland. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Christina Johannessen practice?
Christina Johannessen practices at 203 Perry Pkwy, Gaithersburg, MD 20877. Christina Johannessen's primary practice is Privia Medical Group in Gaithersburg, Maryland. Dmand AI also links Christina Johannessen to 2 group practices and clinics and 1 medical group.
What is Christina Johannessen's office phone number?
The practice phone on file for Christina Johannessen is (571) 366-8850.
What is Christina Johannessen's medical license number?
Christina Johannessen holds Maryland license R208852, one of the licenses on file in 2 states.
Which states has Christina Johannessen been licensed in?
Dmand AI has state licenses on file for Christina Johannessen in Maryland and Hawaii.
What medical group is Christina Johannessen part of?
Christina Johannessen is linked to Privia Medical Group. Dmand AI links Christina Johannessen to 1 more medical group.
Does Christina Johannessen accept Medicare?
Yes. CMS lists Christina Johannessen as accepting Medicare assignment.
Does Christina Johannessen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christina Johannessen as offering telehealth services.
How many Medicare patients does Christina Johannessen see?
CMS counts 699 Medicare patients who saw Christina Johannessen in 2024, with an average age of 77.
Has Christina Johannessen received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Christina Johannessen from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Christina Johannessen been practicing?
Christina Johannessen graduated from medical school in 2021, 5 years ago.
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