Doctor profile · Federal record
Dr. Koshnaf Antar, MD
Rheumatology Physician (CMS: Rheumatology) · Middletown, NY
- NPI 1720194152
- Accepts Medicare
- 37 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
111 Maltese Dr
Middletown, NY 10940
(845) 342-4774
fax (845) 818-7555
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 1, 2008
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- New York #219104
- Medicaid
- NY #02648328
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720194152. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
495
Distinct HCPCS
5
Medicare allowed
$52,151
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 212 | 120 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 168 | 75 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 87 | 87 | $157 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $114 |
In context: peer comparison
Among 4 peers in Middletown Rheumatology Physician, average services per provider: 128. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$2,373
Transactions
102
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 11 | $413.98 | |
| Abbvie INC. | 17 | $336.20 | |
| AstraZeneca Pharmaceuticals Lp | 11 | $255.16 | |
| Pfizer INC. | 13 | $219.64 | |
| Amgen INC. | 9 | $209.61 | |
| Lilly USA, LLC | 7 | $184.02 | |
| Novartis Pharmaceuticals Corporation | 11 | $164.25 | |
| GlaxoSmithKline, LLC. | 8 | $159.40 | |
| Alexion Pharmaceuticals, INC. | 4 | $102.45 | |
| Radius Health, INC. | 4 | $82.04 | |
| Ucb, INC. | 2 | $58.44 | |
| Scilex Pharmaceuticals INC. | 2 | $33.95 | |
| Organon LLC | 1 | $29.25 | |
| Kyowa Kirin, INC. | 1 | $27.32 | |
| Ani Pharmaceuticals, INC. | 1 | $21.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
786
Patients
210
Total drug cost
$363,205
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 325 | 118 | $2,862 |
| Methotrexate (Methotrexate Sodium) | Brand | 113 | 35 | $4,484 |
| Hydroxychloroquine Sulfate | Generic | 79 | 29 | $6,935 |
| Gabapentin | Generic | 57 | 28 | $669 |
| Allopurinol | Generic | 27 | 0 | $291 |
| Sulfasalazine | Generic | 26 | 0 | $565 |
| Colchicine | Generic | 23 | 0 | $3,248 |
| Otezla (Apremilast) | Brand | 21 | 0 | $203,288 |
| Folic Acid | Generic | 19 | 0 | $87 |
| Meloxicam | Generic | 19 | 0 | $54 |
Frequently asked questions
What is Dr. Koshnaf Antar's medical specialty?
Dr. Koshnaf Antar practices Rheumatology Physician in Middletown, NY.
Where does Dr. Koshnaf Antar practice?
Dr. Koshnaf Antar practices at 111 Maltese Dr, Middletown, NY 10940. Office phone: 8453424774.
What is Dr. Koshnaf Antar's NPI?
Dr. Koshnaf Antar's National Provider Identifier (NPI) is 1720194152, issued by NPPES.
Does Dr. Koshnaf Antar accept Medicare assignment?
Yes. Dr. Koshnaf Antar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Koshnaf Antar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.