Doctor profile · Federal record
Dr. Alexander Nelken, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Brooklyn, NY
- NPI 1619142882
- Accepts Medicare
- 20 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
450 Clarkson Ave
Brooklyn, NY 112032012
(718) 270-1000 - Additional location
-
100 North Academy Ave.
Danville, PA 178222025
(570) 271-6621
fax (570) 271-6762 - Mailing address
-
100 N Academy Ave
Danville, PA 178224903
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- August 19, 2022
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Pennsylvania #MD460204 · New York #245108
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619142882. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
572
Distinct HCPCS
10
Medicare allowed
$77,735
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 186 | 182 | $111 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 100 | 100 | $136 | |
00812 |
Anesthesia for exam of colon using an endoscope | 93 | 92 | $141 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 58 | 58 | $154 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 30 | 30 | $164 | |
00103 |
Anesthesia for procedure on eyelid | 26 | 26 | $166 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 26 | 26 | $133 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 16 | 16 | $133 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | 13 | $141 | |
00873 |
Anesthesia for shock wave therapy for urinary system stones without water bath | 13 | 13 | $210 |
In context: peer comparison
Among 101 peers in Brooklyn Anesthesiology Physician, average services per provider: 72. This provider delivers 7.9× the peer median.Frequently asked questions
What is Dr. Alexander Nelken's medical specialty?
Dr. Alexander Nelken practices Anesthesiology Physician in Brooklyn, NY.
Where does Dr. Alexander Nelken practice?
Dr. Alexander Nelken practices at 450 Clarkson Ave, Brooklyn, NY 112032012. Office phone: 7182701000.
What is Dr. Alexander Nelken's NPI?
Dr. Alexander Nelken's National Provider Identifier (NPI) is 1619142882, issued by NPPES.
Does Dr. Alexander Nelken accept Medicare assignment?
Yes. Dr. Alexander Nelken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Nelken commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.