Vivian Wanjohi, MSN, AGACNP-BC
Nurse Practitioner · New Haven, CT
Vivian Wanjohi, MSN, AGACNP-BC is a nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1851039200, issued on May 25, 2022. Check the license (Connecticut 11900, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vivian Wanjohi
- Credential
- MSN, AGACNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 11900 CT
172972 CT
Self-reported in NPPES; status is on the state search - Practice location
- 35 Park St, New Haven, CT 06519
- Phone
- (203) 688-4242
- Enumerated
- May 25, 2022
- Record last updated
- Nov 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20230724000084); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 922 in Connecticut → Look up another NPI →
Also registered at 35 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amanda AntonelliClinical Social Worker1932840105
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Verify Vivian Wanjohi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 11900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
153 Medicare Part D claims for 40 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 27 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen16 claims
- Dexamethasone12 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: $2,669.76
101 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 38,884 providers of this specialty with any payment received $791.64 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 2 group practices
- Oncology Hematology Care OF Connecticut LLCMilford, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vivian Wanjohi among 922 nurse practitioner records in Connecticut
Vivian Wanjohi, MSN, AGACNP-BC is one of 922 nurse practitioner records with a practice address in Connecticut. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 21% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2018 among the 522 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 nurse practitioner records list a practice address in New Haven
They are 117 of the 9,793 NPPES records with a practice address in New Haven, and 922 nurse practitioner records in Connecticut.
All 922 in Connecticut → Every provider in New Haven → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ranbir BainsNew Haven, CT 065191154492015
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- Anna Breiburg, APRNNew Haven, CT 065191881656171
- Veronica Egbunike, APRNNew Haven, CT 065191750532834
- Geraldine Faherty, APRNNew Haven, CT 065191659312478
- Patricia Gatcomb, APRNNew Haven, CT 065191689659971
- Kelly Greco, APRNNew Haven, CT 065191700136827
- Marguerite KyleNew Haven, CT 065191124235031
Common questions
What is Vivian Wanjohi, MSN, AGACNP-BC's NPI number?
Vivian Wanjohi, MSN, AGACNP-BC's National Provider Identifier (NPI) is 1851039200, issued on May 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Vivian Wanjohi, MSN, AGACNP-BC located?
The NPPES record lists a practice address at 35 Park St, New Haven, CT, 06519. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Vivian Wanjohi, MSN, AGACNP-BC's license?
NPPES lists Connecticut license number 11900, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Vivian Wanjohi, MSN, AGACNP-BC prescribe under Medicare Part D?
In 2024, Vivian Wanjohi, MSN, AGACNP-BC had 153 Medicare Part D claims for 40 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.