Nagasamudra Shamarao Ashok, M.D.
NPI 1821036229ActiveIndividual· Internal Medicine· San Jacinto, CA
Internal Medicine (M.D.) with Doctors Managed Emergency Medical Group Inc and 3 other groups, practicing in San Jacinto, California. Their prescriptions cost Medicare Part D more than their services did: $1,620,842 for 24,636 claims, against $982,871 paid for services in 2024. Amgen Inc. reported $22.26 in payments in 2025, mostly food and beverage. Lists Coast Plaza Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1821036229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 4, 2006 |
| Last updated in NPPES | Mar 13, 2025 |
| Certified by provider | Mar 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A41589 | 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 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 667 |
|---|---|
| Services billed | 13,287 across 47 procedure codes |
| Paid by Medicare | $982,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24,636 · 27,151 30-day fills |
|---|---|
| Patients | 761 |
| Total drug cost | $1,620,842 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1969 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | General Surgery, Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Doctors Managed Emergency Medical Group IncGlendale, CA · 5 clinicians
- New Ananda Medical and Urgent Care, Inc.El Monte, CA · 3 clinicians
- Nagasamudra S Ashok MD IncSan Jacinto, CA · 3 clinicians
- Upland-Ontario Medical Clinic IncOntario, CA · 2 clinicians
Hospital affiliations
- Coast Plaza HospitalNorwalk, CA
- Greater El Monte Community HospitalSouth El Monte, CA
- Los Angeles Community HospitalLos Angeles, CA
- San Dimas Community HospitalSan Dimas, CA
- San Gabriel Valley Medical CenterSan Gabriel, CA
Other facilities
- Level Home Health, IncHome health agency · Pasadena, CA
- Skilled Home Health, IncHome health agency · Downey, CA
- Sunlight Home Health Care, Inc.Home health agency · Burbank, CA
- Mission HospiceHospice · Pasadena, CA
- Kindred Hospital Baldwin ParkLong-term care hospital · Baldwin Park, CA
- Kindred Hospital BreaLong-term care hospital · Brea, CA
- Kindred Hospital ParamountLong-term care hospital · Paramount, CA
- Cerritos Vista Healthcare CenterNursing home · Bellflower, CA
- Eastland Subacute and Rehabilitation CenterNursing home · El Monte, CA
- Monrovia Post AcuteNursing home · Duarte, CA
- Royal Terrace HealthcareNursing home · Duarte, CA
- Valley View Post AcuteNursing home · El Monte, CA
Industry payments (Open Payments)
- 2025$22.26 · 1 payment from 1 company
- 2024$154.41 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $22.26 | 1 |
What the 2025 payments were for
- Food and Beverage$22.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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