Marc Shomer, M.D., PH.D.
NPI 1457457483 · Ophthalmology Physician · Upland, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Shomer, M.D., PH.D. is a Ophthalmology Physician provider in Upland, CA (NPI 1457457483).
Provider details
- NPI number
- 1457457483
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A95190 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
7,301 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,356 | $130 |
| Established Patient Complete Exam of Visual System92014 | 1,208 | $122 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 826 | $168 |
| Exam of Visual Field With Extended Testing92083 | 524 | $62 |
| Imaging of Retina92134 | 482 | $38 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 370 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 291 | 94 |
| Prednisolone Acetate | 164 | 101 |
| Brimonidine Tartrate | 126 | 39 |
| Ketorolac Tromethamine | 126 | 82 |
| Moxifloxacin Hclbrand: Moxifloxacin | 123 | 78 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 92 | 28 |
| Timolol Maleate | 89 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,339 across 21 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
- 2006-09-16
- Last updated
- 2021-02-02
- Certified
- 2021-02-02
Frequently asked questions
- What is Marc Shomer's NPI number?
- Marc Shomer's National Provider Identifier (NPI) is 1457457483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Shomer's specialty?
- Marc Shomer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Shomer located?
- Marc Shomer's practice location on file with NPPES is 820 N Mountain Ave Ste 102, Upland, CA 91786-4163.
- What is Marc Shomer's phone number?
- The practice phone number listed in the NPPES registry for Marc Shomer is (909) 981-9800.
- Does Marc Shomer accept Medicare?
- Marc Shomer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Shomer's NPI active?
- Yes — Marc Shomer's NPI (1457457483) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.