Oluwaseyi Ajayi, DNP FNP-BC
NPI 1891559761 · Family Nurse Practitioner · Saint John, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oluwaseyi Ajayi, DNP FNP-BC is a Family Nurse Practitioner provider in Saint John, IN (NPI 1891559761).
Provider details
- NPI number
- 1891559761
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28276137A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
361 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 149 | $59 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 61 | $59 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 50 | $32 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 34 | $85 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 28 | $47 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-02-12
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Oluwaseyi Ajayi's NPI number?
- Oluwaseyi Ajayi's National Provider Identifier (NPI) is 1891559761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oluwaseyi Ajayi's specialty?
- Oluwaseyi Ajayi is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oluwaseyi Ajayi located?
- Oluwaseyi Ajayi's practice location on file with NPPES is 9134 Sherwood Ct, Saint John, IN 46373-0619.
- What is Oluwaseyi Ajayi's phone number?
- The practice phone number listed in the NPPES registry for Oluwaseyi Ajayi is (219) 413-6641.
- Does Oluwaseyi Ajayi accept Medicare?
- Oluwaseyi Ajayi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oluwaseyi Ajayi's NPI active?
- Yes — Oluwaseyi Ajayi's NPI (1891559761) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.