Provider Profile
Trevor D. Portiner, PA-C
Unclaimed ProfileAbout Trevor Portiner
Listed in the NPI registry as a physician assistant, Trevor D. Portiner, PA-C practices in New York, NY. Trevor is also listed as specializing in physician assistant — medical. Medicare claims data shows Trevor provided 297 services to 244 patients. The services billed most often include detection test by immunoassay with direct visual observation for influenza virus, detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19), and residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (212) 312-5000
- Email not available
Practice Locations
170 WILLIAM ST
New York, NY 10038
Procedures Most Often Billed to Medicare
297 services · 244 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
16 | Less often than most peers in Physician Assistant |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
17 | Less often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
52 | More often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
39 | More often than most peers in Physician Assistant |
| Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99342 |
32 | As often as other peers in Physician Assistant |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
28 | Less often than most peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
26 | As often as other peers in Physician Assistant |
| Red blood cell concentration measurement | Lab test | 85014 |
20 | As often as other peers in Physician Assistant |
| Blood test, basic group of blood chemicals (calcium, ionized) | Lab test | 80047 |
20 | As often as other peers in Physician Assistant |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
17 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 32 related providers in 4 groups
Other physician assistants in New York 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Trevor D. Portiner specialize in?
Trevor D. Portiner is a physician assistant in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Trevor D. Portiner located?
Trevor D. Portiner is listed at 170 William St, New York, NY 10038. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Trevor D. Portiner's phone number?
The number on file is (212) 312-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Trevor D. Portiner?
Trevor D. Portiner's National Provider Identifier is 1669919569. 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 Trevor D. Portiner train?
Trevor D. Portiner attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Trevor D. Portiner have?
Trevor D. Portiner has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Trevor D. Portiner do most often?
According to Medicare billing data, Trevor D. Portiner performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Trevor D. Portiner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Trevor D. Portiner. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.