Physician Profile

Jack Geffken, D.O.

Unclaimed Profile

About Dr. Geffken

Jack Geffken, D.O. practices internal medicine in Bethpage, NY. Jack is a 1991 graduate of New York College of Osteo Medicine of New York Institute of Technology. According to Medicare claims data, Jack cared for 1,997 Medicare patients across 3,159 services. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

NY license1894000
NPI1053310268
NPI issued07/19/2005

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Jack Geffken?

Jack Geffken is an internist in Bethpage, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Jack Geffken's address?

Jack Geffken is listed at 530 Hicksville Rd, Bethpage, NY 11714. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Jack Geffken?

The number on file is (516) 937-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Jack Geffken's NPI number?

Jack Geffken's National Provider Identifier is 1053310268. 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 Jack Geffken train?

Jack Geffken attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 1991. This comes from the CMS National Downloadable File.

CMS public data

How long has Jack Geffken been practicing?

Jack Geffken has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.

CMS public data

What procedures does Jack Geffken perform?

According to Medicare billing data, Jack Geffken performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Jack Geffken confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Jack Geffken. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.