Physician Profile
Unclaimed ProfileAbout TERRIN
William Terrin, MD practises emergency medicine in Brooklyn, NY. William is also listed as specialising in student in an organized health care education program. According to Medicare claims data, William cared for 180 Medicare patients across 181 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
Common questions
What kind of doctor is Dr. Terrin?
Dr. Terrin is an emergency medicine in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Terrin's address?
Dr. Terrin is listed at 121 DEKALB AVE, Brooklyn, NY 11201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Terrin?
The number on file is (718) 250-8369. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Terrin's NPI number?
Dr. Terrin's National Provider Identifier is 1154718476. 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. Terrin train?
Dr. Terrin attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Terrin been practising?
Dr. Terrin has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Terrin perform?
According to Medicare billing data, Dr. Terrin 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. Terrin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Terrin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 250-8369
- Email not available
Practice Locations
121 DEKALB AVE
Brooklyn, NY 11201
Procedures Most Often Billed to Medicare
181 services · 180 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
78 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
78 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 24 related providers in 3 groups
Other emergency medicines in Brooklyn 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.