DR. JULIO C. AYALA (MD) – Gastroenterology Physician, NPI 1104883347
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
828 GASTROENTEROLOGY in MA
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Provider Addresses for DR. JULIO C. AYALA (MD)
300, Mount Auburn Street, Old Cambridge, Cambridge, Middlesex County, Massachusetts, 02138, United States
CAMBRIDGE, MA 021385665
Phone: (617) 499-0026
Fax: (617) 499-0032
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 58 Open Payments records for all available years, with a total value of $1,338.
Total Amount is formed as General ($1,338) + Research ($0) + Ownership ($0) = $1,338.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($394).
Total Amount
$1,338
General + Research + Ownership
Payments
58
Total payment records
General Amount
$1,338
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-09-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040908000108 | I | Gastroenterology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 204 | 113 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 88 | 88 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 48 | 48 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 45 | 32 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 44 | 42 | $0 |
Insurance plans in this area (ZIP 02138)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| - | MA | |
| Pulmonary Disease, Critical Care (Intensivists) | MA | |
| - | MA | |
| General Surgery | MA | |
| H O S P I T A L I S T | CT |
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