Physician Profile
Unclaimed ProfileAbout CHAK
Based in Nyack, NY, Azfar Chak, MD is listed in the NPI registry under infectious disease. Azfar is also listed as specializing in internal medicine. According to Medicare claims data, Azfar cared for 2,227 Medicare patients across 6,917 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (845) 358-5006
- Email not available
Practice Locations
311 N MIDLAND AVE
Nyack, NY 10960
Procedures Most Often Billed to Medicare
6,917 services · 2,227 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
5,363 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
1,100 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
163 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
155 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
71 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
50 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other infectious diseases at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Chak's specialty?
Dr. Chak is an infectious disease in Nyack, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INFECTIOUS DISEASE”.
NPI registry
Where can I find Dr. Chak?
Dr. Chak is listed at 311 N MIDLAND AVE, Nyack, NY 10960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chak?
The number on file is (845) 358-5006. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chak's NPI number?
Dr. Chak's National Provider Identifier is 1043475486. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chak's medical education?
Dr. Chak attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chak been practicing?
Dr. Chak has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chak known for?
According to Medicare billing data, Dr. Chak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chak. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.