Hangama Abassi, N.P.
NPI 1487083655ActiveIndividual· Nurse Practitioner· Walnut Creek, CA
Nurse Practitioner (N.P.) with John Muir Physician Network, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $54,000 for 143 claims, against $938.64 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 22 companies reporting payments in 2025, $1,732 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487083655 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Nov 7, 2013 |
| Last updated in NPPES | Feb 24, 2025 |
| Certified by provider | Feb 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95000027 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 15 |
|---|---|
| Services billed | 16 across 3 procedure codes |
| Paid by Medicare | $938.64 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 151 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $54,000 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$1,732 · 68 payments from 22 companies
- 2024$695.03 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $230.42 | 9 |
| Novartis Pharmaceuticals Corporation | $184.29 | 8 |
| Pfizer Inc. | $171.09 | 3 |
| Daiichi Sankyo Inc. | $166.52 | 7 |
| Astrazeneca Pharmaceuticals LP | $139.73 | 9 |
What the 2025 payments were for
- Food and Beverage$1,640 · 67 payments
- Education$91.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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