Doctor profile · Federal record
Dr. Leonard Berkowitz, MD
Infectious Disease Physician (CMS: Infectious Disease) · Brooklyn, NY
- NPI 1265534564
- Accepts Medicare
- 49 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
240 Willoughby St, Suite 5H
Brooklyn, NY 11201
(718) 250-6922
fax (718) 250-6471
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- August 7, 2013
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- New York #145179
- Medicaid
- NY #00787788
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265534564. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
8
Medicare allowed
$34,305
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 103 | 47 | $112 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 45 | $76 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 51 | 50 | $98 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 42 | 33 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 17 | $149 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 15 | $106 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 20 | 12 | $91 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $97 |
In context: peer comparison
Among 30 peers in Brooklyn Infectious Disease Physician, average services per provider: 217. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$315
Transactions
16
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ViiV Healthcare Company | 9 | $134.63 | |
| Eisai INC. | 3 | $77.06 | |
| Merck Sharp & Dohme LLC | 2 | $55.44 | |
| Neurocrine Biosciences, INC. | 1 | $26.70 | |
| Mallinckrodt Hospital Products INC. | 1 | $21.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,464
Patients
729
Total drug cost
$7,145,040
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 890 | 122 | $3,841,717 |
| Rosuvastatin Calcium | Generic | 485 | 87 | $5,450 |
| Atorvastatin Calcium | Generic | 426 | 77 | $4,518 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 395 | 72 | $14,765 |
| Vitamin D2 (Ergocalciferol (Vitamin D2)) | Brand | 297 | 53 | $427 |
| Gabapentin | Generic | 273 | 41 | $2,770 |
| Amlodipine Besylate | Generic | 243 | 56 | $1,758 |
| Tivicay (Dolutegravir Sodium) | Brand | 206 | 30 | $606,308 |
| Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) | Brand | 202 | 27 | $835,313 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 199 | 26 | $818,421 |
Hospital affiliations
Frequently asked questions
What is Dr. Leonard Berkowitz's medical specialty?
Dr. Leonard Berkowitz practices Infectious Disease Physician in Brooklyn, NY.
Where does Dr. Leonard Berkowitz practice?
Dr. Leonard Berkowitz practices at 240 Willoughby St, Brooklyn, NY 11201. Office phone: 7182506922.
What is Dr. Leonard Berkowitz's NPI?
Dr. Leonard Berkowitz's National Provider Identifier (NPI) is 1265534564, issued by NPPES.
Does Dr. Leonard Berkowitz accept Medicare assignment?
Yes. Dr. Leonard Berkowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Berkowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.