Doctor profile · Federal record

Dr. Joseph Defrank Castro, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Newark, NJ

  • NPI 1801095864
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
201 Lyons Ave
Newark, NJ 071122027
(973) 926-7000
fax (732) 923-2272
Additional location
160 N Midland Ave
Nyack, NY 109601912
(845) 348-8884
Mailing address
3 Century Dr
Parsippany, NJ 070544610

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
June 11, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New Jersey #25MA09544000 · New York #003193

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801095864. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,829
Distinct HCPCS
7
Medicare allowed
$238,202
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 482 283 $139
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 430 199 $84
99239 Hospital discharge day management, more than 30 minutes 355 317 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 294 216 $185
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 171 89 $119
99291 Critical care, first 30-74 minutes 53 37 $227
99292 Critical care, each additional 30 minutes 44 24 $114

In context: peer comparison

Among 51 peers in this city , average services per provider: 151. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
72
Total drug cost
$1,029
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 14 $270
Cefuroxime (Cefuroxime Axetil) Brand 17 17 $143
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 14 $435
Metoprolol Succinate Generic 15 15 $133
Cephalexin Generic 12 12 $47

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Defrank Castro's medical specialty?
Dr. Joseph Defrank Castro practices Internal Medicine Physician in Newark, NJ.
Where does Dr. Joseph Defrank Castro practice?
Dr. Joseph Defrank Castro practices at 201 Lyons Ave, Newark, NJ 071122027. Office phone: 9739267000.
What is Dr. Joseph Defrank Castro's NPI?
Dr. Joseph Defrank Castro's National Provider Identifier (NPI) is 1801095864, issued by NPPES.
Does Dr. Joseph Defrank Castro accept Medicare assignment?
Yes. Dr. Joseph Defrank Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Defrank Castro commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.