Physician Profile
Unclaimed ProfileAbout GIAN
Based in Brooklyn, NY, John Gian, M.D. is listed in the NPI registry under internal medicine. John graduated from New York Medical College in 1998.
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. Gian specialise in?
Dr. Gian is an internal medicine in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Gian located?
Dr. Gian is listed at 760 BROADWAY WOODHULL MEDICAL & MENTAL HEALTH CENTER, Brooklyn, NY 11206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gian's phone number?
The number on file is (718) 963-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gian's NPI number?
Dr. Gian's National Provider Identifier is 1316931520. 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. Gian go to medical school?
Dr. Gian attended New York Medical College, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gian been practising?
Dr. Gian has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gian do most often?
According to Medicare billing data, Dr. Gian performs procedures including insertion of needle into vein for collection of blood sample. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gian. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 963-8000
- Email not available
Practice Locations
760 BROADWAY WOODHULL MEDICAL & MENTAL HEALTH CENTER
Brooklyn, NY 11206
Procedures Most Often Billed to Medicare
21 services · 11 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
21 |
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 internal medicines at this location 3
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 internal medicines in Brooklyn 8
Same specialty, same city.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at New York Medical College 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.