Doctor profile · Federal record

Dr. Michael Riskalla

Internal Medicine Physician · Hospitalist Physician · Newark, NJ

  • NPI 1538628631
  • 7 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
201 Lyons Ave
Newark, NJ 071122027
(973) 926-7000
Additional location
1 General St
Lawrence, MA 018412961
(978) 683-4000
Additional location
55 Fogg RD
Weymouth, MA 021902432
(781) 624-8000
Mailing address
1 General St
Lawrence, MA 018412997

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
March 20, 2026
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New Jersey #25MA12664900 · Massachusetts #294844

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538628631. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
937
Distinct HCPCS
6
Medicare allowed
$88,280
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 564 228 $80
99239 Hospital discharge day management, more than 30 minutes 226 218 $116
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 40 $120
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 45 $131
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 26 $50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $175

In context: peer comparison

Among 51 peers in this city , average services per provider: 151. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $34.99

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
142
Patients
75
Total drug cost
$13,721
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 29 0 $237
Cefpodoxime Proxetil Generic 23 23 $693
Eliquis (Apixaban) Brand 22 13 $12,499
Alendronate Sodium Generic 15 0 $32
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 14 $95
Prednisone Generic 14 13 $52
Azithromycin Generic 13 12 $84
Furosemide Generic 11 0 $29

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Riskalla's medical specialty?
Dr. Michael Riskalla practices Internal Medicine Physician in Newark, NJ.
Where does Dr. Michael Riskalla practice?
Dr. Michael Riskalla practices at 201 Lyons Ave, Newark, NJ 071122027. Office phone: 9739267000.
What is Dr. Michael Riskalla's NPI?
Dr. Michael Riskalla's National Provider Identifier (NPI) is 1538628631, issued by NPPES.
What procedures does Dr. Michael Riskalla commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.