Mark D. Haberman, M.D.
NPI 1497780563ActiveIndividual· Internal Medicine· Escondido, CA
Internal Medicine (M.D.) with Graybill Medical Group Inc, practicing in Escondido, California. Their prescriptions cost Medicare Part D more than their services did: $734,459 for 7,071 claims, against $68,484 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $204.32 in all, mostly food and beverage. Lists Palomar Health Downtown Campus as a hospital affiliation.
Overview
| NPI | 1497780563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Dec 13, 2024 |
| Certified by provider | Dec 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G83540 | CA |
| Pediatrics | 208000000X | G83540 | 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 | 193 |
|---|---|
| Services billed | 958 across 50 procedure codes |
| Paid by Medicare | $68,484 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,071 · 16,373 30-day fills |
|---|---|
| Patients | 534 |
| Total drug cost | $734,459 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Graybill Medical Group IncOceanside, CA · 104 clinicians
Hospital affiliation
- Palomar Health Downtown CampusEscondido, CA
Other facilities
- Archer Health IncHome health agency · Carlsbad, CA
- Sea Coast Home Health Care IncHome health agency · San Diego, CA
- Transition Care Telemetry, IncHome health agency · San Juan Capistrano, CA
Industry payments (Open Payments)
- 2025$204.32 · 10 payments from 6 companies
- 2024$127.63 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $95.01 | 4 |
| Lilly USA, LLC | $35.12 | 2 |
| Otsuka America Pharmaceutical, Inc. | $24.67 | 1 |
| Beigene USA, Inc. | $18.01 | 1 |
| Amgen Inc. | $16.99 | 1 |
What the 2025 payments were for
- Food and Beverage$204.32 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Escondido · All internal medicine physicians in California