Billy N. Geris, MD
Legal Medicine · Staten Island, NY
Billy N. Geris, MD is a legal medicine with a practice address in Staten Island, New York, and NPI 1356301808, issued on Mar 27, 2006. Check the license (New York 203728, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Billy N. Geris
- Credential
- MD
- Primary taxonomy
- Legal Medicine 173000000X
- License number
- 203728 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4335 Hylan Blvd, Staten Island, NY 10312
- Phone
- (718) 227-3810
- Enumerated
- Mar 27, 2006
- Record last updated
- Jul 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (718) 608-9082
- Medicaid ID
- 01789082 NY
- Medicare enrollment
- Enrolled (PECOS I20080904000312); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1993
- Entity
- Type 1 · individual
8 nearest legal medicine records → All 112 in New York → Look up another NPI →
Also registered at 4335 Hylan Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claudia Geris, P.A.Medical Physician Assistant1306170428
Verify Billy N. Geris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 203728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average legal medicine in 2024
1,526 Medicare Part D claims for 75 beneficiaries, against an average of 2,531 among the 246 providers of this specialty who prescribed in Part D. 104 claims were for opioids.
Most prescribed
- Alprazolam67 claims
- Losartan Potassium58 claims
- Oxycodone-Acetaminophen57 claims
- Pantoprazole Sodium54 claims
- Meloxicam52 claims
- Metformin Hcl49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $472.23
8 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 144 providers of this specialty with any payment received $4,618.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Billy N. Geris among 112 legal medicine records in New York
Billy N. Geris, MD is one of 112 legal medicine records with a practice address in New York. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 30% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1993 · median 1987 among the 30 with a school on file
- Record last updated2011 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 173000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Legal Medicine providers in New York
There are 112 legal medicine records in New York.
All 112 in New York → Every provider in Staten Island → Legal Medicine nationwide →
The 8 legal medicine records with the nearest ZIP codes
- Satyanarayan Avula, MDStaten Island, NY 103141285609024
- Nkanga Nkanga, M.D.Staten Island, NY 103041679529937
- Edwin Quinones, RPA-CBronx, NY 104531417924705
- Steven GinsbergBronx, NY 104581326012972
- Okon Umana, MDBronx, NY 104581972670693
- Jyoti Kini, MDBronx, NY 104611386822922
- Barbara Persaud, COTA/L,MSBronx, NY 104611033432224
- Ioannis Mantzaris, M.DBronx, NY 104671871865519
Common questions
What is Billy N. Geris, MD's NPI number?
Billy N. Geris, MD's National Provider Identifier (NPI) is 1356301808, issued on Mar 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Billy N. Geris, MD located?
The NPPES record lists a practice address at 4335 Hylan Blvd, Staten Island, NY, 10312. Phone: (718) 227-3810. Providers update this record themselves, so call before visiting.
How can I verify Billy N. Geris, MD's license?
NPPES lists New York license number 203728, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Billy N. Geris, MD prescribe under Medicare Part D?
In 2024, Billy N. Geris, MD had 1,526 Medicare Part D claims for 75 beneficiaries; the average among legal medicine prescribers was 2,531. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.