Doctor profile · Federal record
Dr. Steven Guillen, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Flemington, NJ
- NPI 1710911029
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 25 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2100 Wescott Dr
Flemington, NJ 088224603
(856) 616-8100 - Additional location
-
766 Shrewsbury Ave Ste 300
Tinton Falls, NJ 077243001
(732) 228-8346
fax (224) 235-4652 - Additional location
-
1975 Hylan Blvd Ste C
Staten Island, NY 103063515
(718) 690-9591
fax (224) 235-4652 - Mailing address
-
Po Box 5075
Cherry Hill, NJ 080345075
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 7, 2026
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- New Jersey #25MA08050600 · New York #232119
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710911029. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,919
Distinct HCPCS
5
Medicare allowed
$171,213
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,061 | 634 | $9 | |
99285 |
Emergency department visit with high level of medical decision making | 412 | 393 | $184 | |
99291 |
Critical care, first 30-74 minutes | 320 | 303 | $223 | |
99284 |
Emergency department visit with moderate level of medical decision making | 113 | 108 | $126 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $75 |
In context: peer comparison
Among 3 peers in Flemington Emergency Medicine Physician, average services per provider: 211. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$13
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $13.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$146
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $122 |
| Prednisone | Generic | 13 | 13 | $24 |
Hospital affiliations
Frequently asked questions
What is Dr. Steven Guillen's medical specialty?
Dr. Steven Guillen practices Emergency Medicine Physician in Flemington, NJ.
Where does Dr. Steven Guillen practice?
Dr. Steven Guillen practices at 2100 Wescott Dr, Flemington, NJ 088224603. Office phone: 8566168100.
What is Dr. Steven Guillen's NPI?
Dr. Steven Guillen's National Provider Identifier (NPI) is 1710911029, issued by NPPES.
Does Dr. Steven Guillen accept Medicare assignment?
Yes. Dr. Steven Guillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Guillen commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.