Physician Profile
Unclaimed ProfileAbout GERSTEIN
Based in Great Neck, NY, Hal Gerstein, MD is listed in the NPI registry under hematology/oncology. Hal graduated from Albany Medical College of Union University in 1978. Hal is also listed as specialising in hematology & oncology and medical oncology.
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. Gerstein specialise in?
Dr. Gerstein is a hematology/oncology in Great Neck, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where is Dr. Gerstein located?
Dr. Gerstein is listed at 225 COMMUNITY DR SUITE 160, Great Neck, NY 11021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gerstein's phone number?
The number on file is (516) 482-4790. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gerstein?
Dr. Gerstein's National Provider Identifier is 1790874121. 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. Gerstein go to medical school?
Dr. Gerstein attended Albany Medical College of Union University, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gerstein have?
Dr. Gerstein has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gerstein do most often?
According to Medicare billing data, Dr. Gerstein performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gerstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gerstein. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (516) 482-4790
- Email not available
Practice Locations
225 COMMUNITY DR SUITE 160
Great Neck, NY 11021
Procedures Most Often Billed to Medicare
666 services · 169 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
88 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
94 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
325 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
74 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 |
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.
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.
Other hematology/oncology specialists in Great Neck 1
Same specialty, same city.
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1978 at Albany Medical College of Union University 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.