NPI registry status
Active
2026 NPPES data Ophthalmology Physician NPI 1548325707 MD
Verify on CMS → Melissa Ko, MD
Ophthalmology Physician in Indianapolis, Indiana.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 22,388 in Ophthalmology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
31
Medicare Part D claims · 12 beneficiaries · Ophthalmology Physician avg: 1K
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Melissa Ko, MD filed 31 Medicare Part D claims in 2024 as an Ophthalmology Physician in Indianapolis, Indiana.
- 31
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥0th
- pct by Part D claim volume (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Melissa Ko, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1548325707), first enumerated 12/27/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 31 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1548325707 · Ophthalmology Physician
NPI-10 · ENUM-LEGACY · TAX-MID · RX-TRACE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1548325707
- ENUM-LEGACY 2006
- TAX-MID 22K Ophthalmology Physician
- RX-TRACE 31
- BOOK-THIN 309 in Indiana
- PHOTO-ENUM Susan Ksiazek, MD · 2006
Melissa Ko, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
31 ≥ 0th percentile 0% of 1,416,883 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
✓
Board certification likely (heuristic, not verified)
Melissa Ko, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Melissa Ko, MD?
Quality data not reportedPrimary specialty
Ophthalmology Physician
Medicare Part D claims
31 98% vs specialty avg
Specialty distribution in Indiana
How Ophthalmology Physician compares to other specialties among Indiana providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Ophthalmology Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1548325707 |
|---|---|
| Specialty | Ophthalmology Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 12/27/2006 |
Hospital and facility affiliations
Facilities where Melissa Ko, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
IU Health Medical Group LLC
Indianapolis, IN
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
31
Total Claims
$4K
Total Drug Cost
12
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 61.5
- Total Day Supply
- 1,803
- Brand Drug Cost
- $0
- Generic Drug Cost
- $4K
Patient Demographics
- Average Patient Age
- 61.4 years
- Avg HCC Risk Score
- 1.09
Ophthalmology Physician Overview
How Melissa Ko, MD fits within the Ophthalmology Physician landscape nationally.
22,388
Ophthalmology Physician Providers in US
56
States with Ophthalmology Physician
1,490
Avg Claims per Provider
Melissa Ko, MD's 31 claims are below the specialty average of 1,490.
Nationwide Ophthalmology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Ko, both outside Indiana so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Ophthalmology Physician Providers in Indiana
Other clinicians with the same primary specialty enrolled in Indiana, drawn from the same CMS NPPES roster as Ko.
One of 309 Ophthalmology Physician providers enrolled in Indiana, 5 are shown here.
Dr. Kenneth Abbott
MD
Elkhart, IN
Dr. John Abrams
MD
Carmel, IN
Dr. Leslie Abrams Tobe
M.D.
Carmel, IN
Dr. Adeela Alizai
MD
Mishawaka, IN
Dr. Ruchita Amin
M.D.
Munster, IN
Compare Ophthalmology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Melissa Ko, MD's specialty? ▼
Melissa Ko, MD specializes in Ophthalmology Physician and practices in Indianapolis, Indiana. Credentials: MD.
How much does Melissa Ko, MD prescribe under Medicare Part D? ▼
In 2024, Melissa Ko, MD wrote 31 Medicare Part D claims totaling $4K in drug costs for 12 beneficiaries.
Where is Melissa Ko, MD located? ▼
Melissa Ko, MD is located at 1701 N SENATE BLVD, Indianapolis, IN, 46202. Phone: (888) 484-3258.
What is Melissa Ko, MD's NPI number? ▼
Melissa Ko, MD's National Provider Identifier (NPI) is 1548325707, issued on 12/27/2006.
How many Ophthalmology Physician providers are there in the US? ▼
There are 22,388 Ophthalmology Physician providers across 56 states in the US. The average Ophthalmology Physician provider writes 1,490 Medicare Part D claims per year.
Does Melissa Ko, MD accept Medicare? ▼
Melissa Ko, MD appears in CMS Medicare data with 31 Part D claims and 12 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Melissa Ko, MD's credentials? ▼
Melissa Ko, MD's NPI is 1548325707 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.