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Gastroenterology Physician in Lancaster, CA
NPI: 1679559157Primary Practice Location
Sierra Gastroenterology
2010 W Ave K, Lancaster, CA
Primary Employer
Sierra Gastroenterology
sngastro.com
HQ Phone
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Get Started for Freearrow_outwardCA State Medical License
CA State Medical License
1988 - 2025

American Board of Internal Medicine
Internal Medicine

American Board of Internal Medicine
Gastroenterology
Albert Einstein College of Medicine
einsteinmed.edu
Medical School
Until 1987
University of Southern California/Los Angeles General Medical Center (USC/LA General)
Fellowship • Gastroenterology
1992 - 1993
UCLA David Geffen School of Medicine/UCLA Medical Center
Fellowship • Gastroenterology
1990 - 1992
UCLA-VA Greater Los Angeles
Residency • Internal Medicine
1987 - 1990
Keck School of Medicine of USC
keck.usc.edu
BS • Magna Cum Laude
1979 - 1983
| # | Procedure Code (CPT®/HCPCS II) | Procedure Patients | Procedure Volume |
|---|---|---|---|
| 1 | 99213Established patient office or other outpatient visit, typically 15 minutes | 111 | 291 |
| 2 | 99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 68 | 68 |
| 3 | 43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope | 64 | 65 |
| 4 | 99232Subsequent hospital inpatient care, typically 25 minutes per day | 58 | 166 |
| 5 | 45380Biopsy of the large bowel using an endoscope (colonoscopy) | 38 | 38 |
Medical appropriateness of laboratory tests.
Authors: Wong, E T, Saxena, S
Journal: Am J Clin Pathol
Cost-effective use of laboratory tests: a joint responsibility of clinicians and laboratorians.
Authors: @ValidYN, LastName, ForeName, Initials
Journal: Clin Lab Med