Christopher David Estes, NP
NPI 1154994499ActiveIndividual· Nurse Practitioner, Gerontology· Boston, MA
Nurse Practitioner, Gerontology (NP) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $709,630 for 669 claims, against $50,034 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $2,321 in all, mostly consulting fees. Lists Brigham and Women's Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1154994499 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 23, 2021 |
| Last updated in NPPES | Sep 2, 2021 |
| Certified by provider | Sep 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | RN2309492 | MA |
| Nurse Practitioner, Family | 363LF0000X | RN2309492 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 16,189 across 26 procedure codes |
| Paid by Medicare | $50,034 |
Part D prescriptions in 2024
| Prescriptions (claims) | 669 · 1,265 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $709,630 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
- Wentworth-Douglass HospitalDover, NH
Other facilities
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2025$2,321 · 7 payments from 2 companies
- 2024$318.43 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $2,117 | 6 |
| Astrazeneca Pharmaceuticals LP | $204.66 | 1 |
What the 2025 payments were for
- Consulting Fee$1,740 · 1 payment
- Food and Beverage$392.29 · 4 payments
- Education$188.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 gerontology nurse practitioners in Boston · All gerontology nurse practitioners in Massachusetts