Aaron Jacob Parnes, M.D.
Ophthalmology Physician · Portland, ME
Aaron Jacob Parnes, M.D. is an ophthalmology physician with a practice address in Portland, Maine, and NPI 1780888586, issued on Jun 14, 2007. Check the license (Maine MD19642, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Aaron Jacob Parnes
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD19642 ME
049476 CT
C7-0003766 DE
Self-reported in NPPES; status is on the state search - Practice location
- 53 Sewall St, Portland, ME 04102
- Phone
- (410) 949-7512
- Enumerated
- Jun 14, 2007
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130828000419); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 98 in Maine → Look up another NPI →
Also registered at 53 Sewall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Daly, M.D.Ophthalmology Physician1215032685
- Villi Enders, MDAnesthesiology Physician1740263433
- Richard France, MDOphthalmology Physician1720427008
- Katherine Hill, O.D.Optometrist1255767620
- William Holt, M.D.Ophthalmology Physician1710914163
- John Lippincott, MDOphthalmology Physician1871094110
Verify Aaron Jacob Parnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD19642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average ophthalmology physician in 2024
803 Medicare Part D claims for 237 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Prednisolone Acetate247 claims
- Ofloxacin138 claims
- Brimonidine Tartrate87 claims
- Timolol Maleate65 claims
- Brinzolamide49 claims
- Simbrinza41 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.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $95.17
4 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Eyecare Medical GroupPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Jacob Parnes among 98 ophthalmology physician records in Maine
Aaron Jacob Parnes, M.D. is one of 98 ophthalmology physician records with a practice address in Maine. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 61% of them.
- NPI issued2007 · 61% of these records are older, 26% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2007 · median 2001 among the 50 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maine
There are 98 ophthalmology physician records in Maine.
All 98 in Maine → Every provider in Portland → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Mark Balles, M.D.Portland, ME 041021780654392
- A Berlin, M.D.Portland, ME 041021760414734
- Robert Daly, M.D.Portland, ME 041021215032685
- Sirus Hamzavi, M.D.Portland, ME 041021174503825
- Peter Hedstrom, MDPortland, ME 041021902802028
- William Holt, M.D.Portland, ME 041021710914163
- Frederick Miller, MDPortland, ME 041021376549402
- Jackie Nguyen, MDPortland, ME 041021326094533
Common questions
What is Aaron Jacob Parnes, M.D.'s NPI number?
Aaron Jacob Parnes, M.D.'s National Provider Identifier (NPI) is 1780888586, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Jacob Parnes, M.D. located?
The NPPES record lists a practice address at 53 Sewall St, Portland, ME, 04102. Phone: (410) 949-7512. Providers update this record themselves, so call before visiting.
How can I verify Aaron Jacob Parnes, M.D.'s license?
NPPES lists Maine license number MD19642, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Jacob Parnes, M.D. prescribe under Medicare Part D?
In 2024, Aaron Jacob Parnes, M.D. had 803 Medicare Part D claims for 237 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Aaron Jacob Parnes, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.