Doctor profile · Federal record

Dr. Nicholas Greco, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Pasadena, CA

  • NPI 1023325289
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 W California Blvd
Pasadena, CA 911053010
(626) 397-5112

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
August 21, 2013
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A113953

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023325289. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
653
Distinct HCPCS
8
Medicare allowed
$74,549
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 263 243 $9
99291 Critical care, first 30-74 minutes 168 166 $222
99285 Emergency department visit with high level of medical decision making 98 98 $181
99284 Emergency department visit with moderate level of medical decision making 31 30 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 27 27 $139
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 27 27 $182
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $180
80053 Blood test, comprehensive group of blood chemicals 13 13 $10

In context: peer comparison

Among 18 peers in Pasadena Emergency Medicine Physician, average services per provider: 68. This provider delivers 9.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
111
Total drug cost
$792
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 22 22 $156
Cyclobenzaprine Hcl Generic 18 18 $35
Doxycycline Hyclate Generic 18 18 $217
Famotidine Generic 18 18 $71
Ibuprofen Generic 12 12 $33
Prednisone Generic 12 12 $43
Cefdinir Generic 11 11 $236

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Greco's medical specialty?
Dr. Nicholas Greco practices Emergency Medicine Physician in Pasadena, CA.
Where does Dr. Nicholas Greco practice?
Dr. Nicholas Greco practices at 100 W California Blvd, Pasadena, CA 911053010. Office phone: 6263975112.
What is Dr. Nicholas Greco's NPI?
Dr. Nicholas Greco's National Provider Identifier (NPI) is 1023325289, issued by NPPES.
Does Dr. Nicholas Greco accept Medicare assignment?
Yes. Dr. Nicholas Greco accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Greco commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.