Quick answers
- Does Francisco A. Bonilla accept Medicare assignment?
- Yes. Medicare's clinician data says Francisco A. Bonilla accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Francisco A. Bonilla see?
- In 2024, CMS data shows 326 Original Medicare patients and 6,153 services for Francisco A. Bonilla. This counts Original Medicare only and measures volume, not quality.
- What is Francisco A. Bonilla's NPI number?
- 1245298215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Francisco A. Bonilla, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 326 |
|---|---|
| Services billed to Medicare | 6,153 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Test for allergy using allergenic extract (95004)2,103 services
- Professional service for preparation and provision of 1 or more antigens (95165)2,080 services
- Test for allergy using skin patch (95044)628 services
- Professional service for multiple injections of allergen (95117)579 services
- Test for allergy using allergenic extract injected into skin (95024)112 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol63%
- High blood pressure55%
- Arthritis47%
- Asthma44%
- Anxiety33%
- Depression24%
Hospitals where Francisco A. Bonilla works
Medicare's Facility Affiliation Data lists Francisco A. Bonilla at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
- UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220001
Practice locations
Addresses where Francisco A. Bonilla is enrolled with Medicare (CMS data updated October 2, 2026).
- 3 Woodland Rd, Suite 217Stoneham, MA 02180 (781) 395‑2922
- 616 Boston Post RdSudbury, MA 01776 (978) 537‑4805
- 79 Erdman Way, Suite 101Leominster, MA 01453 (978) 537‑4805
Group practices
Medicare enrollment lists Francisco A. Bonilla as a member of these groups (CMS data updated October 2, 2026).
- Northeast Allergy, Asthma and Immunology, PC10 clinicians in the group
- Allergy and Asthma Physicians PC5 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Northeast Allergy, Asthma and Immunology, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245298215 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians