Doctor profile · Federal record
Dr. Billy Geris, MD
Legal Medicine (CMS: Internal Medicine) · Staten Island, NY
- NPI 1356301808
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4335 Hylan Blvd
Staten Island, NY 103126529
(718) 227-3810
fax (718) 608-9082
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 12, 2011
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 173000000X — NUCC code
- State license (1)
- New York #203728
- Medicaid
- NY #01789082
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356301808. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
306
Distinct HCPCS
3
Medicare allowed
$16,113
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 160 | 20 | $80 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 121 | 11 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 16 | $124 |
In context: peer comparison
Among 1 peers in Staten Island Legal Medicine, average services per provider: 102. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$472
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 5 | $189.41 | |
| Amgen INC. | 1 | $135.25 | |
| Merz North America, INC. | 1 | $130.20 | |
| Lilly USA, LLC | 1 | $17.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
573
Patients
11
Total drug cost
$4,270
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 81 | 0 | $863 |
| Pantoprazole Sodium | Generic | 70 | 0 | $344 |
| Zolpidem Tartrate | Generic | 45 | 0 | $269 |
| Losartan Potassium | Generic | 38 | 0 | $349 |
| Lisinopril | Generic | 36 | 0 | $79 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 34 | 0 | $444 |
| Metformin Hcl | Generic | 33 | 0 | $120 |
| Atorvastatin Calcium | Generic | 32 | 0 | $355 |
| Meloxicam | Generic | 32 | 11 | $78 |
| Metoprolol Succinate | Generic | 32 | 0 | $364 |
Frequently asked questions
What is Dr. Billy Geris's medical specialty?
Dr. Billy Geris practices Legal Medicine in Staten Island, NY.
Where does Dr. Billy Geris practice?
Dr. Billy Geris practices at 4335 Hylan Blvd, Staten Island, NY 103126529. Office phone: 7182273810.
What is Dr. Billy Geris's NPI?
Dr. Billy Geris's National Provider Identifier (NPI) is 1356301808, issued by NPPES.
Does Dr. Billy Geris accept Medicare assignment?
Yes. Dr. Billy Geris accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Billy Geris commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS J3420); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.