Doctor profile · Federal record

Dr. Isaac Bartley, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Glendale, CA

  • NPI 1710088729
  • Accepts Medicare
  • MIPS 19.5 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1560 E Chevy Chase Dr Ste 225
Glendale, CA 912064156
(818) 956-7507
fax (818) 217-8190

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
January 15, 2025
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G50351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710088729. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,252
Distinct HCPCS
10
Medicare allowed
$172,470
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 464 166 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 243 223 $182
99214 Established patient office or other outpatient visit, 30-39 minutes 136 83 $132
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 114 94 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 49 48 $69
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 41 40 $118
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 39 39 $189
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 36 33 $211
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 34 32 $98
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $180

In context: peer comparison

Among 5 peers in this city , average services per provider: 105. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
434
Patients
166
Total drug cost
$99,430
Drug Type Claims Patients Total cost
Omeprazole Generic 143 39 $2,215
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 102 96 $7,877
Pantoprazole Sodium Generic 93 20 $1,153
Creon (Lipase/Protease/Amylase) Brand 23 0 $68,743
Mesalamine Generic 21 0 $9,546
Mercaptopurine Generic 15 0 $2,734
Mesalamine Dr (Mesalamine) Brand 14 0 $4,566
Colestipol Hcl Generic 12 0 $2,387
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 11 11 $209

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Isaac Bartley's medical specialty?
Dr. Isaac Bartley practices Gastroenterology Physician in Glendale, CA.
Where does Dr. Isaac Bartley practice?
Dr. Isaac Bartley practices at 1560 E Chevy Chase Dr Ste 225, Glendale, CA 912064156. Office phone: 8189567507.
What is Dr. Isaac Bartley's NPI?
Dr. Isaac Bartley's National Provider Identifier (NPI) is 1710088729, issued by NPPES.
Does Dr. Isaac Bartley accept Medicare assignment?
Yes. Dr. Isaac Bartley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Bartley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.