Physician Profile
Unclaimed ProfileAbout FIRSTENBERG
Listed in the NPI registry as a physician assistant, Arin Hannah Firstenberg, PA-C practises in Boston, MA. Arin graduated from Tufts University School of Medicine in 2017.
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 does Dr. Firstenberg specialise in?
Dr. Firstenberg is a physician assistant in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Firstenberg located?
Dr. Firstenberg is listed at 800 WASHINGTON ST, Boston, MA 02111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Firstenberg's phone number?
The number on file is (617) 636-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Firstenberg's NPI number?
Dr. Firstenberg's National Provider Identifier is 1962925990. 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. Firstenberg go to medical school?
Dr. Firstenberg attended Tufts University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Firstenberg been practising?
Dr. Firstenberg has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Firstenberg do most often?
According to Medicare billing data, Dr. Firstenberg 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. Firstenberg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Firstenberg. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 636-5000
- Email not available
Practice Locations
800 WASHINGTON ST
Boston, MA 02111
Procedures Most Often Billed to Medicare
33 services · 22 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
33 |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 23 related providers in 3 groups
Other physician assistants in Boston 8
Same specialty, same city.
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Tufts University School of Medicine 7
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.