DR. ALEXANDER BORIS GELFER MD.
NPI 1689638462
Internal Medicine - Pulmonary Disease in Williamsville, NY

Q: What is Alexander Gelfer's NPI number?

The NPI number for Alexander Gelfer is 1689638462. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Q: What is Alexander Gelfer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Gelfer was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment

100 COLLEGE PARKWAY, SUITE 110, WILLIAMSVILLE, NY 14221(716) 631-8863(716) 631-1265 Get Directions Write a Review

NPPES record last updated: February 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 13, 2025, Jun 12, 2020 (2 updates tracked since 2020).

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About Dr. Alexander Boris Gelfer Md. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER BORIS GELFER MD. (NPI 1689638462) is an individual pulmonary disease provider in Williamsville, New York, licensed in New York (166540-2) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1689638462

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. ALEXANDER BORIS GELFERCredential: MD.

Location Address100 COLLEGE PARKWAY, SUITE 110Williamsville, NY 14221

Mailing Address100 College Parkway, Suite 110Williamsville, NY 14221 · (716) 631-8863 · Fax (716) 631-1265

Phone(716) 631-8863

Fax(716) 631-1265

Sole ProprietorNo

Medical School CMSOtherGraduated 1972

Enumeration DateApril 17, 2006

Last NPPES UpdateFebruary 13, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 13, 2025

✔ NPI 1689638462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in NY · 166540-2

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

100 COLLEGE PARKWAY, Williamsville, NY 14221

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Secondary Practice Location 1

Location 1Elm and Carlton StBuffalo, NY 14263-0001 · Phone (716) 631-8863 · Fax (716) 631-1265

Other Identifiers 1

Medicaid01083825NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexander Boris Gelfer Md. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991783524

PECOS Enrollment IDI20050707000800

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

103 services72 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

64 services56 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

63 services56 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

63 services56 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

28 services28 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330078

Location2157 Main StreetBuffalo, NY 14214 · Erie County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 21

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604