Physician Profile

Alexander B. Gelfer, MD.

Unclaimed Profile

About Dr. Gelfer

Based in Williamsville, NY, Alexander B. Gelfer, MD. is listed in the NPI registry under pulmonary disease. According to Medicare claims data, Alexander cared for 329 Medicare patients across 388 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, test to examine how well the lungs exchange gases, and test to determine lung volumes using sensors.

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

Medical School Other Graduated: 1972

Specialty

Pulmonary Disease (Primary)

Credentials & Licensing

NY license166540-2
NPI1689638462
NPI issued04/17/2006

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
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 Dr. Gelfer?

Dr. Gelfer is a lung specialist in Williamsville, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.

NPI registry

What is Dr. Gelfer's address?

Dr. Gelfer is listed at 100 College Parkway Suite 110, Williamsville, NY 14221. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Gelfer?

The number on file is (716) 631-8863. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Gelfer's NPI number?

Dr. Gelfer's National Provider Identifier is 1689638462. 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. Gelfer train?

Dr. Gelfer attended Other, graduating in 1972. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Gelfer been practicing?

Dr. Gelfer has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Gelfer perform?

According to Medicare billing data, Dr. Gelfer provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Gelfer confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gelfer. 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.