Doctor profile · Federal record
Dr. Alexander Gelfer, MD.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Williamsville, NY
- NPI 1689638462
- Accepts Medicare
- 54 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 College Parkway, Suite 110
Williamsville, NY 14221
(716) 631-8863
fax (716) 631-1265 - Additional location
-
Elm and Carlton St
Buffalo, NY 142630001
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- February 13, 2025
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- New York #166540-2
- Medicaid
- NY #01083825
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689638462. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
511
Distinct HCPCS
9
Medicare allowed
$38,338
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 134 | 95 | $117 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 81 | 78 | $35 | |
94729 |
Test to examine how well the lungs exchange gases | 80 | 77 | $51 | |
94726 |
Test to determine lung volumes using sensors | 78 | 75 | $48 | |
95806 |
Sleep study including heart rate, breathing, airflow, and effort | 48 | 48 | $41 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 31 | 28 | $119 | |
95810 |
Sleep study in sleep lab (6 years or older) | 26 | 26 | $115 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 14 | $165 | |
94618 |
Test for exercise-induced lung stress | 16 | 16 | $29 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 73. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$2,850
Transactions
112
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GENZYME CORPORATION | 14 | $417.13 | |
| AstraZeneca Pharmaceuticals LP | 17 | $370.12 | |
| GlaxoSmithKline, LLC. | 19 | $318.48 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 7 | $251.39 | |
| Mylan Specialty L.P. | 9 | $180.97 | |
| Inspire Medical Systems, Inc. | 5 | $171.28 | |
| Actelion Pharmaceuticals US, Inc. | 6 | $152.49 | |
| PFIZER INC. | 6 | $140.50 | |
| Regeneron Healthcare Solutions, Inc. | 5 | $112.90 | |
| Mallinckrodt Hospital Products Inc. | 3 | $91.45 | |
| Electromed, Inc. | 5 | $85.27 | |
| Grifols USA, LLC | 4 | $83.35 | |
| Amgen Inc. | 4 | $75.92 | |
| Insmed, Inc. | 4 | $75.37 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $70.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,577
Patients
375
Total drug cost
$1,108,370
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 273 | 61 | $3,920 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 262 | 48 | $219,957 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 200 | 81 | $8,139 |
| Prednisone | Generic | 187 | 47 | $1,217 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 105 | 25 | $53,450 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 102 | 28 | $57,162 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 93 | 20 | $71,135 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 66 | 17 | $51,871 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 65 | 21 | $17,156 |
| Nucala (Mepolizumab) | Brand | 56 | 0 | $226,748 |
Frequently asked questions
What is Dr. Alexander Gelfer's medical specialty?
Dr. Alexander Gelfer practices Pulmonary Disease Physician in Williamsville, NY.
Where does Dr. Alexander Gelfer practice?
Dr. Alexander Gelfer practices at 100 College Parkway, Williamsville, NY 14221. Office phone: 7166318863.
What is Dr. Alexander Gelfer's NPI?
Dr. Alexander Gelfer's National Provider Identifier (NPI) is 1689638462, issued by NPPES.
Does Dr. Alexander Gelfer accept Medicare assignment?
Yes. Dr. Alexander Gelfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Gelfer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.