Doctor profile · Federal record
Dr. John Koliopoulos, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Berkeley Heights, NJ
- NPI 1053353516
- Accepts Medicare
- 34 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1 Diamond Hill RD
Berkeley Heights, NJ 079222104
(908) 277-8880
fax (908) 277-8796 - Additional location
-
1080 Stelton RD
Piscataway, NJ 088545201
(848) 230-6800
fax (848) 230-6803 - Additional location
-
99 Beauvoir Ave
Summit, NJ 079013533
(908) 522-2232
fax (908) 522-0227 - Mailing address
-
62 Cheshire Ln
Ringwood, NJ 074562743
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 3, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- New Jersey #25MB06001400 · New Jersey #MB60014
- Medicaid
- NJ #6880908
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053353516. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
319
Distinct HCPCS
8
Medicare allowed
$27,892
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 75 | 75 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 49 | $101 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $183 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 42 | 21 | $16 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 33 | 33 | $16 | |
71046 |
X-ray of chest, 2 views | 28 | 27 | $18 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 24 | $141 | |
81002 |
Urinalysis, manual test | 21 | 19 | $3 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 56. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
78
Patients
76
Total drug cost
$440
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 26 | 25 | $61 |
| Azithromycin | Generic | 21 | 21 | $102 |
| Cephalexin | Generic | 19 | 18 | $150 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 12 | 12 | $128 |
Frequently asked questions
What is Dr. John Koliopoulos's medical specialty?
Dr. John Koliopoulos practices Emergency Medicine Physician in Berkeley Heights, NJ.
Where does Dr. John Koliopoulos practice?
Dr. John Koliopoulos practices at 1 Diamond Hill RD, Berkeley Heights, NJ 079222104. Office phone: 9082778880.
What is Dr. John Koliopoulos's NPI?
Dr. John Koliopoulos's National Provider Identifier (NPI) is 1053353516, issued by NPPES.
Does Dr. John Koliopoulos accept Medicare assignment?
Yes. Dr. John Koliopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Koliopoulos commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.