Doctor profile · Federal record

Dr. Azfar Chak, MD

Internal Medicine Physician (CMS: Infectious Disease) · Nyack, NY

  • NPI 1043475486
  • Accepts Medicare
  • MIPS 32.4 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
311 N Midland Ave
Nyack, NY 109601627
(845) 358-5006
fax (845) 358-4340

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
December 22, 2011
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #248157
Medicaid
NY #03130403

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043475486. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,758
Distinct HCPCS
6
Medicare allowed
$695,512
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 5,305 1,106 $91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 1,096 924 $150
99214 Established patient office or other outpatient visit, 30-39 minutes 165 116 $146
99443 Telephone medical discussion with physician, 21-30 minutes 105 54 $103
99204 New patient office or other outpatient visit, 45-59 minutes 73 73 $194
99442 Telephone medical discussion with physician, 11-20 minutes 14 11 $70

In context: peer comparison

Among 12 peers in this city , average services per provider: 214. This provider delivers 32× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
353
Patients
66
Total drug cost
$121,726
Drug Type Claims Patients Total cost
Cefazolin Sodium Generic 47 0 $3,415
Ceftriaxone (Ceftriaxone Sodium) Brand 43 0 $4,206
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 33 16 $486
Doxycycline Hyclate Generic 30 24 $641
Vancomycin Hcl Generic 30 0 $4,173
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 22 0 $90,818
Cefuroxime (Cefuroxime Axetil) Brand 22 15 $399
Cefepime Hcl Generic 21 0 $5,540
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 11 $280
Cephalexin Generic 16 0 $468

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Azfar Chak's medical specialty?
Dr. Azfar Chak practices Internal Medicine Physician in Nyack, NY.
Where does Dr. Azfar Chak practice?
Dr. Azfar Chak practices at 311 N Midland Ave, Nyack, NY 109601627. Office phone: 8453585006.
What is Dr. Azfar Chak's NPI?
Dr. Azfar Chak's National Provider Identifier (NPI) is 1043475486, issued by NPPES.
Does Dr. Azfar Chak accept Medicare assignment?
Yes. Dr. Azfar Chak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Azfar Chak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.