Isaac Bartley, M.D.
NPI 1710088729 · Gastroenterology Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Bartley, M.D. is a Gastroenterology Physician provider in Glendale, CA (NPI 1710088729).
Provider details
- NPI number
- 1710088729
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G50351 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,492 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 630 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 294 | $166 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 145 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 123 | $125 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 47 | $102 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 104 | 100 |
| Omeprazole | 100 | 36 |
| Pantoprazole Sodium | 82 | 25 |
| Lipase/Protease/Amylasebrand: Creon | 27 | — |
| Mesalamine | 21 | — |
| Lansoprazole | 15 | — |
| Mesalaminebrand: Mesalamine Dr | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Isaac Bartley's NPI number?
- Isaac Bartley's National Provider Identifier (NPI) is 1710088729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Bartley's specialty?
- Isaac Bartley is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Bartley located?
- Isaac Bartley's practice location on file with NPPES is 1560 E Chevy Chase Dr Ste 225, Glendale, CA 91206-4156.
- What is Isaac Bartley's phone number?
- The practice phone number listed in the NPPES registry for Isaac Bartley is (818) 956-7507.
- Does Isaac Bartley accept Medicare?
- Isaac Bartley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Bartley's NPI active?
- Yes — Isaac Bartley's NPI (1710088729) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.