Marcus Ko, M.D.
NPI 1235302183 · Ophthalmic Plastic and Reconstructive Surgery Physician · Reno, NV
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Ko, M.D. is a Ophthalmic Plastic and Reconstructive Surgery Physician provider in Reno, NV (NPI 1235302183).
Provider details
- NPI number
- 1235302183
- Entity type
- Individual
- Primary specialty
- Ophthalmic Plastic and Reconstructive Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A104124 (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
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
1,420 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 292 | $93 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 186 | $171 |
| Exam of Visual Field With Limited Testing92081 | 184 | $34 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 160 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $131 |
| Removal of Growth of Eyelid67840 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 250 | 216 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 219 | 170 |
| Cephalexin | 188 | 182 |
| Fluticasone Propionate | 23 | 16 |
| Methylprednisolone | 16 | 15 |
| Moxifloxacin Hclbrand: Moxifloxacin | 15 | 11 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 1 record (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
- 2008-04-10
- Last updated
- 2020-02-06
- Certified
- 2020-02-06
Frequently asked questions
- What is Marcus Ko's NPI number?
- Marcus Ko's National Provider Identifier (NPI) is 1235302183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Ko's specialty?
- Marcus Ko is listed in the NPPES registry with a primary specialty of Ophthalmic Plastic and Reconstructive Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Ko located?
- Marcus Ko's practice location on file with NPPES is 5435 Reno Corporate Dr Ste 100, Reno, NV 89511-2250.
- What is Marcus Ko's phone number?
- The practice phone number listed in the NPPES registry for Marcus Ko is (775) 322-3111.
- Does Marcus Ko accept Medicare?
- Marcus Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Ko's NPI active?
- Yes — Marcus Ko's NPI (1235302183) is active in the NPPES registry as of the last update on 2020-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.