John Bartlett, MD
NPI 1144242611 · Ophthalmology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Bartlett, MD is a Ophthalmology Physician provider in Los Angeles, CA (NPI 1144242611).
Provider details
- NPI number
- 1144242611
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A74554 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,387 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 496 | $44 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 360 | $587 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 327 | $139 |
| Imaging of Retina92134 | 307 | $44 |
| Established Patient Problem Focused Exam of Visual System92012 | 151 | $100 |
| Exam of Visual Field With Extended Testing92083 | 133 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 222 | 45 |
| Difluprednate | 125 | 102 |
| Prednisolone Acetate | 77 | 54 |
| Cyclosporine | 47 | 15 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 43 | 16 |
| Brimonidine Tartrate | 38 | 11 |
| Timolol Maleate | 36 | 12 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2025-01-24
- Certified
- 2025-01-24
Frequently asked questions
- What is John Bartlett's NPI number?
- John Bartlett's National Provider Identifier (NPI) is 1144242611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bartlett's specialty?
- John Bartlett is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Bartlett located?
- John Bartlett's practice location on file with NPPES is 300 Stein Plaza, Los Angeles, CA 90095-7065.
- What is John Bartlett's phone number?
- The practice phone number listed in the NPPES registry for John Bartlett is (310) 825-5000.
- Does John Bartlett accept Medicare?
- John Bartlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Bartlett's NPI active?
- Yes — John Bartlett's NPI (1144242611) is active in the NPPES registry as of the last update on 2025-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.