Julio C. Ayala, MD
NPI 1104883347ActiveIndividual· Internal Medicine, Gastroenterology· Cambridge, MA
Internal Medicine, Gastroenterology (MD) with Emerson Practice Associates, Inc, practicing in Cambridge, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $111,810 for 497 claims, against $63,039 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $201.81 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1104883347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 212396 | MA |
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 - Gastroenterology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 574 across 26 procedure codes |
| Paid by Medicare | $63,039 |
Part D prescriptions in 2024
| Prescriptions (claims) | 497 · 1,038 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $111,810 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$201.81 · 8 payments from 2 companies
- 2024$541.14 · 25 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $168.54 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $33.27 | 1 |
What the 2025 payments were for
- Food and Beverage$201.81 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 gastroenterologists in Cambridge · All gastroenterologists in Massachusetts