Emily Alaine Maru, PHYSICIAN ASSISTANT
NPI 1578189650ActiveIndividual· Physician Assistant· Annapolis, MD
Physician Assistant (PHYSICIAN ASSISTANT) with Chesapeake Urology Associates LLC, practicing in Annapolis, Maryland. In 2024 Medicare paid $19,368 for 166 patients, and Part D covered 94 of their prescriptions, 87% of them generic. Janssen Biotech, Inc. was the largest of 24 companies reporting payments in 2025, $2,394 in all, mostly food and beverage. Lists Medstar Southern Maryland Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578189650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Jun 24, 2020 |
| Last updated in NPPES | Mar 12, 2025 |
| Certified by provider | Mar 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C08480 | MD |
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 - Physician Assistant (DC); Practitioner - Physician Assistant (MD); Practitioner - Physician Assistant (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 563 across 25 procedure codes |
| Paid by Medicare | $19,368 |
Part D prescriptions in 2024
| Prescriptions (claims) | 94 · 152 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $6,977 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- Medstar Southern Maryland Hospital CenterClinton, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Industry payments (Open Payments)
- 2025$2,394 · 86 payments from 24 companies
- 2024$1,429 · 53 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $474.26 | 8 |
| Sumitomo Pharma America, Inc. | $368.87 | 20 |
| Bayer Healthcare Pharmaceuticals Inc. | $251.95 | 8 |
| Pfizer Inc. | $220.40 | 9 |
| Immunitybio, Inc. | $190.92 | 3 |
What the 2025 payments were for
- Food and Beverage$2,339 · 85 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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