Maya Shammas, M.D.
NPI 1649438763 · Ophthalmology Physician · Lynwood, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maya Shammas, M.D. is a Ophthalmology Physician provider in Lynwood, CA (NPI 1649438763).
Provider details
- NPI number
- 1649438763
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 245279 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
1,307 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) |
|---|---|---|
| Photography of the Retina92250 | 320 | $43 |
| Established Patient Complete Exam of Visual System92014 | 219 | $148 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $94 |
| Injection of Drug Into Eye67028 | 126 | $144 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 79 | $621 |
| Imaging of Retina92134 | 71 | $47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,641 | 451 |
| Prednisolone Acetate | 757 | 484 |
| Ketorolac Tromethamine | 694 | 455 |
| Moxifloxacin Hclbrand: Moxifloxacin | 683 | 444 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 426 | 128 |
| Brimonidine Tartrate | 247 | 76 |
| Timolol Maleate | 153 | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,727 across 48 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
- 2008-05-27
- Last updated
- 2010-08-09
Frequently asked questions
- What is Maya Shammas's NPI number?
- Maya Shammas's National Provider Identifier (NPI) is 1649438763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maya Shammas's specialty?
- Maya Shammas is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Maya Shammas located?
- Maya Shammas's practice location on file with NPPES is 3510 Martin Luther King Jr Blvd, Lynwood, CA 90262-2010.
- What is Maya Shammas's phone number?
- The practice phone number listed in the NPPES registry for Maya Shammas is (310) 638-9391.
- Does Maya Shammas accept Medicare?
- Maya Shammas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maya Shammas's NPI active?
- Yes — Maya Shammas's NPI (1649438763) is active in the NPPES registry as of the last update on 2010-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.