NPI registry status
Active
2026 NPPES data Optometrist NPI 1598758393 O.D.
Verify on CMS → Melissa Almarales, O.D.
Optometrist in Columbus, 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 60,484 in Optometrist, 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
169
Medicare Part D claims · 59 beneficiaries · Optometrist avg: 257
Generic prescribing
59%
generic claims · 41% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Melissa Almarales, O.D. filed 169 Medicare Part D claims in 2023 as a Optometrist in Columbus, Indiana, prescribing 59% generic.
- 169
- Part D claims, 2023
- 59%
- generic prescribing
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.
Melissa Almarales, O.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
169 35th percentile higher than 35% of 1,370,886 prescribers
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.
Source CMS Medicare Part D Prescriber Public Use File · 2023
What does the federal data show about Melissa Almarales, O.D.?
Quality data not reportedPrimary specialty
Optometrist
Medicare Part D claims
169 34% vs specialty avg
Specialty distribution in Indiana
How Optometrist 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 Optometrist. 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).
Melissa Almarales, O.D. appears in the CMS NPPES registry as a Optometrist provider holding O.D. credentials at 1130 WASHINGTON ST, Columbus, IN, 47201, with a listed phone of (812) 379-9893. NPI 1598758393 was issued on 08/26/2005.
Medicare Part D records for calendar year 2023 show 169 prescription claims written by this provider, covering 59 Medicare beneficiaries and totaling roughly $26K in drug spend, split 41% brand-name and 59% generic by claim count.
Optometrist is a high-volume specialty nationwide, with 60,484 enrolled providers across 56 states and an average of 257 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1598758393 |
|---|---|
| Specialty | Optometrist |
| Credentials | O.D. |
| Gender | Female |
| NPI Issued | 08/26/2005 |
Brand vs generic prescribing mix · Above average
Melissa Almarales, O.D. - brand share 41.0%
Optometrist average
41% brand-name claims vs 59% generic, on 169 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
169
Total Claims
$26K
Total Drug Cost
59
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 274
- Total Day Supply
- 7,558
- Brand vs Generic
- 41% brand / 59% generic
- Brand Drug Cost
- $23K
- Generic Drug Cost
- $3K
Patient Demographics
- Average Patient Age
- 75.0 years
- Avg HCC Risk Score
- 1.25
- Gender Split
- 59% female / 41% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Melissa Almarales, O.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Timolol Maleate
Timolol Maleate
29 claims
- Latanoprost
Latanoprost
27 claims
- Neomycin-Polymyxin…
Neomycin-Polymyxin-Dexameth
18 claims
- Dorzolamide-Timolol
Dorzolamide-Timolol
15 claims
- Ofloxacin
Ofloxacin
15 claims
- Xiidra
Xiidra
15 claims
- Lumigan
Lumigan
13 claims
| Drug | Claims |
|---|---|
| Timolol Maleate | 29 |
| Latanoprost | 27 |
| Neomycin-Polymyxin-Dexameth Neomycin/Polymyxin B/Dexametha | 18 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 15 |
| Ofloxacin | 15 |
| Xiidra Lifitegrast | 15 |
| Lumigan Bimatoprost | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Optometrist Overview
How Melissa Almarales, O.D. fits within the Optometrist landscape nationally.
60,484
Optometrist Providers in US
56
States with Optometrist
257
Avg Claims per Provider
Melissa Almarales, O.D.'s 169 claims are below the specialty average of 257.
Nearby Optometrist Providers in Indiana
Other clinicians with the same primary specialty enrolled in Indiana, drawn from the same CMS NPPES roster as Almarales.
Dr. Deanne Aavang
O.D.
Lafayette, IN
Renee Abrassant Ramsey
Petersburg, IN
Jeffrey Achampong
Terre Haute, IN
Dr. Suzanna Acosta
OD
Munster, IN
Dr. Bryan Acton
O.D.
Carmel, IN
Compare Optometrist nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Indiana medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Optometrist peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Melissa Almarales, O.D.'s specialty? ▼
Melissa Almarales, O.D. specializes in Optometrist and practices in Columbus, Indiana. Credentials: O.D..
How much does Melissa Almarales, O.D. prescribe under Medicare Part D? ▼
In 2023, Melissa Almarales, O.D. wrote 169 Medicare Part D claims totaling $26K in drug costs for 59 beneficiaries.
Where is Melissa Almarales, O.D. located? ▼
Melissa Almarales, O.D. is located at 1130 WASHINGTON ST, Columbus, IN, 47201. Phone: (812) 379-9893.
What is Melissa Almarales, O.D.'s NPI number? ▼
Melissa Almarales, O.D.'s National Provider Identifier (NPI) is 1598758393, issued on 08/26/2005.
Does Melissa Almarales, O.D. prescribe more brand-name or generic drugs? ▼
Melissa Almarales, O.D.'s prescribing is 41% brand-name and 59% generic drugs by claim count, with $23K in brand drug costs.
How many Optometrist providers are there in the US? ▼
There are 60,484 Optometrist providers across 56 states in the US. The average Optometrist provider writes 257 Medicare Part D claims per year.
What drugs does Melissa Almarales, O.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Melissa Almarales, O.D.'s most frequently prescribed drugs include Timolol Maleate, Latanoprost, Neomycin-Polymyxin-Dexameth. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Melissa Almarales, O.D. accept Medicare? ▼
Melissa Almarales, O.D. appears in CMS Medicare data with 169 Part D claims and 59 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Melissa Almarales, O.D.'s credentials? ▼
Melissa Almarales, O.D.'s NPI is 1598758393 with credentials O.D.. 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 (2023). 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 April 2026 (NPPES) / 2023 (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
Compiled from official public sources by the PlainDoctor editorial team.