Physician Profile
Unclaimed ProfileAbout RYAN
Based in Worcester, MA, Bonnie J. Ryan, MD is listed in the NPI registry under emergency medicine. Bonnie graduated from University of Massachusetts Medical School in 1992. According to Medicare claims data, Bonnie cared for 161 Medicare patients across 162 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 421-1400
- Email not available
Practice Locations
55 LAKE AVE N
Worcester, MA 01655
Procedures Most Often Billed to Medicare
162 services · 161 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
62 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
60 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
27 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other emergency medicines in Worcester 6
Same specialty, same city.
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Ryan specialize in?
Dr. Ryan is an emergency medicine in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where is Dr. Ryan located?
Dr. Ryan is listed at 55 LAKE AVE N, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ryan's phone number?
The number on file is (508) 421-1400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ryan's NPI number?
Dr. Ryan's National Provider Identifier is 1295725810. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Ryan go to medical school?
Dr. Ryan attended University of Massachusetts Medical School, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryan been practicing?
Dr. Ryan has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ryan do most often?
According to Medicare billing data, Dr. Ryan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.