Registry data as of Aug 27, 2026

Rachel Achenbach, OD

Optometrist · Windham, ME

Rachel Achenbach, OD is an optometrist with a practice address in Windham, Maine, and NPI 1528408622, issued on Jul 3, 2013. Check the license (Maine OPT939, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1528408622
Name
Rachel Achenbach
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT939 ME
Self-reported in NPPES; status is on the state search
Practice location
584 Roosevelt Trl, Windham, ME 04062
Phone
(207) 892-3216
Enumerated
Jul 3, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 584 Roosevelt Trl

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anna Cote, DPTOrthopedic Physical Therapist1720707219
  2. Michael DowningPhysical Therapist1124135777
  3. Jill Kerekes, M.D.Internal Medicine Physician1992728323
  4. Emily Martin, FNPPrimary Care Nurse Practitioner1609246834
  5. Eugene Paluso, M.D.Internal Medicine Physician1730110586
  6. Marie Pedersen, LCSWClinical Social Worker1033234224

Verify Rachel Achenbach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license OPT939
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

8% fewer Medicare Part D claims than the average optometrist in 2024

258 Medicare Part D claims for 87 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Rachel Achenbach258
  2. Specialty average279

Most prescribed

  1. Latanoprost82 claims
  2. Restasis37 claims
  3. Dorzolamide-Timolol19 claims
  4. Brimonidine Tartrate18 claims
  5. Timolol Maleate16 claims
  6. Neomycin-Polymyxin-Dexameth11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $167.88

6 payments, mostly food and beverage; the largest payer was CooperVision Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rachel Achenbach$167.88
  2. Specialty average$749.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Maine Optometry PAGorham, ME

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 optometrist records list a Windham practice address

They are 5 of the 300 NPPES records with a Windham practice address, and 301 optometrist records in Maine.

Other optometrist records in Maine

  1. Amy Abbott, O.D.South Portland, ME1578663365
  2. Andre Achenbach, O.D.Brunswick, ME1376807263
  3. Nirupama Aggarwal, ODPortland, ME1871599928
  4. Paul Albert, O.D.Ellsworth, ME1255440467
  5. Mark Alexander, O.D.Brunswick, ME1225118953
  6. Kimberly Allen, O.D.Brewer, ME1659479624
  7. Hyder Almosawy, ODStandish, ME1578129078
  8. Isabel Alonso Zieja, O.D.Kittery, ME1033341029
  9. Jill Amundson, ODPortland, ME1710983861
  10. Michael Anastasio, O.D.Portland, ME1578552980

Common questions

What is Rachel Achenbach, OD's NPI number?

Rachel Achenbach, OD's National Provider Identifier (NPI) is 1528408622, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Achenbach, OD located?

The NPPES record lists a practice address at 584 Roosevelt Trl, Windham, ME, 04062. Phone: (207) 892-3216. Providers update this record themselves, so call before visiting.

How can I verify Rachel Achenbach, OD's license?

NPPES lists Maine license number OPT939, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Rachel Achenbach, OD prescribe under Medicare Part D?

In 2024, Rachel Achenbach, OD had 258 Medicare Part D claims for 87 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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 Aug 27, 2026.