Christina Johannessen, FNP
Family Nurse Practitioner · Rockville, MD
Christina Johannessen, FNP is a family nurse practitioner with a practice address in Rockville, Maryland, and NPI 1932862919, issued on Oct 18, 2021. Check the license (Maryland R208852, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christina Johannessen
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- R208852 MD
APRN-3372 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1201 Seven Locks RD Ste 111, Rockville, MD 20854
- Phone
- (301) 762-5020
- Enumerated
- Oct 18, 2021
- Record last updated
- May 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230615003808); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 1201 Seven Locks RD Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Caccavo, MSN, CRNP, FNP-CFamily Nurse Practitioner1336859974
- Robert Chen, DOFamily Medicine Physician1538745021
- Allison Hockman, DOFamily Medicine Physician1952892127
- Stefanie Holtzer, NPAdult Health Nurse Practitioner1730895046
- Susan Kioko, NPAdult Health Nurse Practitioner1720491293
- Sheeva Mostoufi, PHDClinical Psychologist1083166755
Verify Christina Johannessen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R208852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family nurse practitioner in 2024
829 Medicare Part D claims for 378 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Methylprednisolone56 claims
- Doxycycline Hyclate49 claims
- Nitrofurantoin Mono-Macro44 claims
- Atorvastatin Calcium30 claims
- Azithromycin29 claims
- Levothyroxine Sodium27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $180.22
9 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Privia Care Center LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Johannessen among 4,124 family nurse practitioner records in Maryland
Christina Johannessen, FNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2019 among the 2,370 with a school on file
- Record last updated2023 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 family nurse practitioner records list a practice address in Rockville
They are 146 of the 14,353 NPPES records with a practice address in Rockville, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Rockville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Anna CouvillonRockville, MD 208541942217203
- Jaime Durant, CRNPPotomac, MD 208541154690766
- Amanda Jones, CRNPRockville, MD 208541336159698
- Lisa Lee, CRNP-FRockville, MD 208541326366477
- Karen Levin, CRNPRockville, MD 208541154412559
- Regina Long, CRNP-C, DNPRockville, MD 208541801824693
- Amy Macdonald, RN, NPRockville, MD 208541790883981
- Cheryl MaghfiratRockville, MD 208541083807713
Common questions
What is Christina Johannessen, FNP's NPI number?
Christina Johannessen, FNP's National Provider Identifier (NPI) is 1932862919, issued on Oct 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christina Johannessen, FNP located?
The NPPES record lists a practice address at 1201 Seven Locks RD Ste 111, Rockville, MD, 20854. Phone: (301) 762-5020. Providers update this record themselves, so call before visiting.
How can I verify Christina Johannessen, FNP's license?
NPPES lists Maryland license number R208852, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Christina Johannessen, FNP prescribe under Medicare Part D?
In 2024, Christina Johannessen, FNP had 829 Medicare Part D claims for 378 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.