Kumaravel Perumalsamy, M.D.
NPI 1851484323ActiveIndividual· Internal Medicine, Gastroenterology· Lancaster, CA
Internal Medicine, Gastroenterology (M.D.) with Sciometrix Inc and 2 other groups, practicing in Lancaster, California. Their prescriptions cost Medicare Part D more than their services did: $679,133 for 2,298 claims, against $195,397 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $9,066 in all, mostly speaking and faculty fees. Lists Adventist Health Tehachapi Valley and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851484323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Apr 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A103387 | CA |
| Emergency Medicine | 207P00000X | 002485-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 607 |
|---|---|
| Services billed | 1,849 across 45 procedure codes |
| Paid by Medicare | $195,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,298 · 3,209 30-day fills |
|---|---|
| Patients | 917 |
| Total drug cost | $679,133 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Sciometrix IncHumble, TX · 48 clinicians
- Gastro Care InstituteLancaster, CA · 11 clinicians
- Oso Specialty Infusion IncIrvine, CA · 9 clinicians
Hospital affiliations
- Adventist Health Tehachapi ValleyTehachapi, CA
- Antelope Valley HospitalLancaster, CA
- Palmdale Regional Medical CenterPalmdale, CA
Industry payments (Open Payments)
- 2025$9,066 · 61 payments from 11 companies
- 2024$10,418 · 100 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $8,181 | 34 |
| Janssen Biotech, Inc. | $353.62 | 9 |
| Madrigal Pharmaceuticals | $232.70 | 5 |
| Phathom Pharmaceuticals, Inc. | $60.19 | 2 |
| Pfizer Inc. | $49.40 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,300 · 2 payments
- Food and Beverage$1,529 · 57 payments
- Travel and Lodging$1,148 · 1 payment
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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