Doctor profile · Federal record

Dr. Alexander Korenfeld, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Cliffside Park, NJ

  • NPI 1063428803
  • Accepts Medicare
  • MIPS 98.3 / 100 · 2023
  • 49 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
596 Anderson Ave, Suite 302
Cliffside Park, NJ 070101831
(201) 943-2700
fax (201) 943-2646
Mailing address
559 Wittich Ter
Rivervale, NJ 076756006

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New Jersey #63357 · New York #204339
Medicaid
NJ #7101805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063428803. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,307
Distinct HCPCS
10
Medicare allowed
$349,908
HCPCS Description Services Patients Avg allowed
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 998 133 $94
93923 Complete ultrasound study of arm and leg arteries 213 143 $151
99443 Telephone medical discussion with physician, 21-30 minutes 195 94 $135
99214 Established patient office or other outpatient visit, 30-39 minutes 181 80 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 169 81 $102
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 146 74 $16
99437 Chronic care management services for two or more chronic conditions, additional 30 minutes provided personally by health care professional, per calendar month 106 91 $66
76536 Ultrasound scan of head and neck soft tissue 101 89 $132
76856 Complete ultrasound scan of pelvis 101 88 $125
93970 Ultrasound study of arm or leg veins with compression and maneuvers 95 93 $224

In context: peer comparison

Among 1 peers in Cliffside Park Internal Medicine Physician, average services per provider: 103. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$264
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $263.96

By nature of payment

Food and Beverage
$247
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,378
Patients
221
Total drug cost
$106,523
Drug Type Claims Patients Total cost
Phenobarbital Generic 215 53 $789
Levothyroxine Sodium Generic 156 19 $1,639
Diclofenac Sodium Generic 122 20 $71,279
Rosuvastatin Calcium Generic 122 21 $1,811
Metformin Hcl Generic 94 17 $588
Amlodipine Besylate Generic 84 15 $666
Carvedilol Generic 82 14 $624
Montelukast Sodium Generic 77 20 $860
Omeprazole Generic 72 12 $792
Vascepa (Icosapent Ethyl) Brand 69 0 $21,267

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Korenfeld's medical specialty?
Dr. Alexander Korenfeld practices Internal Medicine Physician in Cliffside Park, NJ.
Where does Dr. Alexander Korenfeld practice?
Dr. Alexander Korenfeld practices at 596 Anderson Ave, Cliffside Park, NJ 070101831. Office phone: 2019432700.
What is Dr. Alexander Korenfeld's NPI?
Dr. Alexander Korenfeld's National Provider Identifier (NPI) is 1063428803, issued by NPPES.
Does Dr. Alexander Korenfeld accept Medicare assignment?
Yes. Dr. Alexander Korenfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Korenfeld commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions (HCPCS 99491); Complete ultrasound study of arm and leg arteries (HCPCS 93923); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.