Denise A.D. Phan, M.D.
NPI 1477656395ActiveIndividual· Internal Medicine· Van Nuys, CA
Internal Medicine (M.D.) in Van Nuys, California, trained at University of California, Geffen School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $477,739 for 4,079 claims, against $150,144 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 14 companies reporting payments in 2025, $802.15 in all, mostly food and beverage.
Overview
| NPI | 1477656395 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 6, 2006 |
| Last updated in NPPES | Oct 1, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G73973 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 5,921 across 93 procedure codes |
| Paid by Medicare | $150,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,079 · 8,238 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $477,739 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Jpb Medical Group IncVan Nuys, CA · 4 clinicians
Hospital affiliation
- Providence Saint Joseph Medical CtrBurbank, CA
Other facilities
- Compassion Home Health Care, IncHome health agency · Reseda, CA
- Socal Integrated Care, IncHome health agency · Glendale, CA
Industry payments (Open Payments)
- 2025$802.15 · 34 payments from 14 companies
- 2024$629.01 · 30 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $135.33 | 5 |
| Lilly USA, LLC | $128.95 | 5 |
| Merck Sharp & Dohme LLC | $74.47 | 3 |
| Abbvie Inc. | $68.51 | 4 |
| Sanofi-Aventis U.S. LLC | $64.70 | 3 |
What the 2025 payments were for
- Food and Beverage$802.15 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 internal medicine physicians in Van Nuys · All internal medicine physicians in California