NPI registry status
Active
2026 NPPES data Corneal and Contact Management Optometrist NPI 1104956143 O.D.
Verify on CMS → Douglas Gauvreau, O.D.
Corneal and Contact Management Optometrist in Westbrook, Maine.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,539 in Corneal and Contact Management 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
179
Medicare Part D claims · 59 beneficiaries · Corneal and Contact Management Optometrist avg: 254
Generic prescribing
56%
generic claims · 44% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Douglas Gauvreau, O.D. filed 179 Medicare Part D claims in 2024 as a Corneal and Contact Management Optometrist in Westbrook, Maine, prescribing 56% generic.
- 179
- Part D claims, 2024
- 56%
- generic prescribing
- ≥34th
- 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 Douglas Gauvreau, O.D.
Bare NPI registry listing — limited federal enrichment beyond basic enumeration. Verify all credentials with official sources.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1104956143), first enumerated 03/07/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 179 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- 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 1104956143 · Corneal and Contact Management Optometrist
NPI-10 · ENUM-MID · TAX-NARROW · RX-LIGHT · BOOK-THIN · PHOTO-ENUM
- NPI-10 1104956143
- ENUM-MID 2007
- TAX-NARROW 1,539
- RX-LIGHT 179
- BOOK-THIN 7 in Maine
- PHOTO-ENUM Monika Marczak, O.D. · 2007
Douglas Gauvreau, O.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
179 ≥ 34th percentile 34% 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
What does the federal data show about Douglas Gauvreau, O.D.?
Quality data not reportedPrimary specialty
Corneal and Contact Management Optometrist
Medicare Part D claims
179 30% vs specialty avg
Specialty distribution in Maine
How Corneal and Contact Management Optometrist compares to other specialties among Maine 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 Corneal and Contact Management 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).
Practice Address
Provider Details
| NPI | 1104956143 |
|---|---|
| Specialty | Corneal and Contact Management Optometrist |
| Credentials | O.D. |
| Gender | Male |
| NPI Issued | 03/07/2007 |
Brand vs generic prescribing mix · Above average
Douglas Gauvreau, O.D. - brand share 44.0%
Corneal and Contact Management Optometrist average
44% brand-name claims vs 56% generic, on 179 2024 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 2024.
179
Total Claims
$60K
Total Drug Cost
59
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 401.533
- Total Day Supply
- 11,905
- Brand vs Generic
- 44% brand / 56% generic
- Brand Drug Cost
- $58K
- Generic Drug Cost
- $2K
Patient Demographics
- Average Patient Age
- 78.4 years
- Avg HCC Risk Score
- 1.11
- Gender Split
- 47% female / 53% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Douglas Gauvreau, O.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Latanoprost
Latanoprost
72 claims
- Lumigan
Lumigan
32 claims
- Timolol Maleate 18
Timolol Maleate
18 claims
- Restasis 15
Restasis
15 claims
- Dorzolamide Hcl 11
Dorzolamide Hcl
11 claims
| Drug | Claims |
|---|---|
| Latanoprost | 72 |
| Lumigan Bimatoprost | 32 |
| Timolol Maleate | 18 |
| Restasis Cyclosporine | 15 |
| Dorzolamide Hcl | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Corneal and Contact Management Optometrist in ME →
All providers in Maine →
Compare specialties →
Corneal and Contact Management Optometrist Overview
How Douglas Gauvreau, O.D. fits within the Corneal and Contact Management Optometrist landscape nationally.
1,539
Corneal and Contact Management Optometrist Providers in US
52
States with Corneal and Contact Management Optometrist
254
Avg Claims per Provider
Douglas Gauvreau, O.D.'s 179 claims are below the specialty average of 254.
Nationwide Corneal and Contact Management Optometrist peers with similar MIPS or enrollment year
Two federal-record peer sets for Gauvreau, both outside Maine so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Corneal and Contact Management Optometrist Providers in Maine
Other clinicians with the same primary specialty enrolled in Maine, drawn from the same CMS NPPES roster as Gauvreau.
One of 7 Corneal and Contact Management Optometrist providers enrolled in Maine, 5 are shown here.
Dr. Robert Bolduc
O.D.
Biddeford, ME
Dr. Catherine Hildreth
O.D.
Brunswick, ME
Dr. Kiran Jones
OD
Newport, ME
Dr. Philip Poulin
O.D.
Waterville, ME
Dr. Nicole Shipp
O.D.
Farmingdale, ME
Compare Corneal and Contact Management Optometrist nationally: see state-by-state distribution →
Frequently Asked Questions
What is Douglas Gauvreau, O.D.'s specialty? ▼
Douglas Gauvreau, O.D. specializes in Corneal and Contact Management Optometrist and practices in Westbrook, Maine. Credentials: O.D..
How much does Douglas Gauvreau, O.D. prescribe under Medicare Part D? ▼
In 2024, Douglas Gauvreau, O.D. wrote 179 Medicare Part D claims totaling $60K in drug costs for 59 beneficiaries.
Where is Douglas Gauvreau, O.D. located? ▼
Douglas Gauvreau, O.D. is located at 151 MAIN ST, Westbrook, ME, 04092. Phone: (207) 854-1801.
What is Douglas Gauvreau, O.D.'s NPI number? ▼
Douglas Gauvreau, O.D.'s National Provider Identifier (NPI) is 1104956143, issued on 03/07/2007.
Does Douglas Gauvreau, O.D. prescribe more brand-name or generic drugs? ▼
Douglas Gauvreau, O.D.'s prescribing is 44% brand-name and 56% generic drugs by claim count, with $58K in brand drug costs.
How many Corneal and Contact Management Optometrist providers are there in the US? ▼
There are 1,539 Corneal and Contact Management Optometrist providers across 52 states in the US. The average Corneal and Contact Management Optometrist provider writes 254 Medicare Part D claims per year.
What drugs does Douglas Gauvreau, O.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Douglas Gauvreau, O.D.'s most frequently prescribed drugs include Latanoprost, Lumigan, Timolol Maleate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Douglas Gauvreau, O.D. accept Medicare? ▼
Douglas Gauvreau, O.D. appears in CMS Medicare data with 179 Part D claims and 59 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Douglas Gauvreau, O.D.'s credentials? ▼
Douglas Gauvreau, O.D.'s NPI is 1104956143 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 (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.