Koshnaf Antar, MD
NPI 1720194152 · Rheumatology Physician · Middletown, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Koshnaf Antar, MD is a Rheumatology Physician provider in Middletown, NY (NPI 1720194152).
Provider details
- NPI number
- 1720194152
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 219104 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
838 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 261 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 240 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 99 | $186 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 402 | 126 |
| Methotrexate Sodiumbrand: Methotrexate | 120 | 43 |
| Hydroxychloroquine Sulfate | 70 | 28 |
| Gabapentin | 67 | 35 |
| Allopurinol | 52 | 17 |
| Etanerceptbrand: Enbrel | 32 | — |
| Apremilastbrand: Otezla |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,373 across 106 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2008-08-01
Frequently asked questions
- What is Koshnaf Antar's NPI number?
- Koshnaf Antar's National Provider Identifier (NPI) is 1720194152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Koshnaf Antar's specialty?
- Koshnaf Antar is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Koshnaf Antar located?
- Koshnaf Antar's practice location on file with NPPES is 111 Maltese Dr, Middletown, NY 10940.
- What is Koshnaf Antar's phone number?
- The practice phone number listed in the NPPES registry for Koshnaf Antar is (845) 342-4774.
- Does Koshnaf Antar accept Medicare?
- Koshnaf Antar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Koshnaf Antar's NPI active?
- Yes — Koshnaf Antar's NPI (1720194152) is active in the NPPES registry as of the last update on 2008-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.