Daniel John Hartley, RN, MSN, NP
NPI 1891856654ActiveIndividual· Nurse Practitioner, Family· Fairfield, CA
Nurse Practitioner, Family (RN, MSN, NP) with Northbay Physicians Surgery Center, LLC and 1 other group, practicing in Fairfield, California. 218 Medicare patients in 2024, $61,552 paid; nearly all of their 411 Part D prescriptions were generic (98%). Bioventus LLC reported $26.48 in payments in 2025, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1891856654 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, MSN, NP |
| Sole proprietor | No |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Dec 31, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | NP 15794 | CA |
| Registered Nurse, Registered Nurse First Assistant | 163WR0006X | RN523252 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 6,846 across 22 procedure codes |
| Paid by Medicare | $61,552 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 419 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $10,672 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Industry payments (Open Payments)
- 2025$26.48 · 1 payment from 1 company
- 2024$75.18 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioventus LLC | $26.48 | 1 |
What the 2025 payments were for
- Food and Beverage$26.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Fairfield
- 1154939163
- 1174004659
- 1174086359
- 1215070339
- 1417296708
- 1730106675
- 1740631753
- 1932967627
- 1023552726
- 1083118665
- 1538949029
- 1811087232
All 51 family nurse practitioners in Fairfield · All family nurse practitioners in California