Provider Profile
Vivian Wanjohi, MSN, AGACNP-BC
Unclaimed ProfileAbout Vivian Wanjohi
Listed in the NPI registry as a nurse practitioner, Vivian Wanjohi, MSN, AGACNP-BC practices in New Haven, CT. Vivian is also listed as specializing in registered nurse. According to Medicare claims data, Vivian cared for 286 Medicare patients across 656 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and insertion of needle into vein for collection of blood sample. NPI 1851039200 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-4242
- Email not available
Practice Locations
35 PARK ST
New Haven, CT 06519
Procedures Most Often Billed to Medicare
656 services · 286 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
173 | More often than most peers in Nurse Practitioner |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
13 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
226 | More often than most peers in Nurse Practitioner |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
174 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 | As often as other peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
21 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in New Haven 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Vivian Wanjohi, MSN?
Vivian Wanjohi, MSN is a nurse practitioner in New Haven, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Vivian Wanjohi, MSN's address?
Vivian Wanjohi, MSN is listed at 35 Park St, New Haven, CT 06519. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Vivian Wanjohi, MSN?
The number on file is (203) 688-4242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Vivian Wanjohi, MSN's NPI number?
Vivian Wanjohi, MSN's National Provider Identifier is 1851039200. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Vivian Wanjohi, MSN train?
Vivian Wanjohi, MSN attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Vivian Wanjohi, MSN been practicing?
Vivian Wanjohi, MSN has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Vivian Wanjohi, MSN perform?
According to Medicare billing data, Vivian Wanjohi, MSN performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Vivian Wanjohi, MSN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Vivian Wanjohi, MSN. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.