Dr. Aaron Jacob Parnes, MD
- Medicare services, 2024
- 78,724
- Medicare patients, 2024
- 630
- Part D claims, 2024
- 803
- Publications
- 7
- MIPS score, 2024
- 98
- Practice address
- 53 Sewall Street, Portland, ME 04102
- Practice phone
- Call (207) 828-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyecare Medical Group
Surgery Center - Medicare-Certified · Portland, Maine
Find Dr. Parnes' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Aaron Jacob Parnes is an ophthalmologist in Portland, Maine
Dr. Parnes practices at Eyecare Medical Group in Portland, Maine.
Dr. Parnes' NPI, 1780888586, was assigned on June 14, 2007. Dr. Parnes graduated from Pennsylvania State University College of Medicine in 2007. Dr. Parnes holds Maine license MD19642.
- NPI
- 1780888586NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426235011
- NPI enumeration date
- June 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 828-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron Jacob Parnes practices at Eyecare Medical Group in Portland, Maine
Dr. Parnes' primary practice is Eyecare Medical Group, at 53 Sewall Street, Portland, ME 04102. The practice phone is (207) 828-2020.
- Eyecare Medical Group53 Sewall Street, Portland, ME 04102Phone(207) 828-2020
Source: Dmand AI Affiliation Data
Dr. Aaron Jacob Parnes is affiliated with 1 site of care and 1 medical group
Dr. Parnes' primary practice is Eyecare Medical Group in Portland, Maine. Dmand AI also links Dr. Parnes to 1 medical group, named with a free account. Dr. Parnes' employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Jacob Parnes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parnes practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyecare Medical Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron Jacob Parnes is one of 80 ophthalmologists in Maine
Ophthalmology is Dr. Parnes' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Parnes' licenses on file in 3 states: Maine, Connecticut and Delaware.
Specialties and state licenses
- Ophthalmology, MainePrimary
- Connecticut license
- Internal medicine, Delaware
Ophthalmologists near Dr. Parnes
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aaron Jacob Parnes billed Medicare for 78,724 services in 2024
CMS data shows 78,724 Medicare services from Dr. Parnes across 21 procedure codes in 2024, for 630 Medicare patients. Medicare paid $2,803,854 for them.
Dr. Parnes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 38,6672024: 74,28492%
- Tests and treatments
- 2023: 2,6952024: 2,5216%
- Surgery
- 2023: 1,4052024: 1,5198%
- Office and hospital visits
- 2023: 3442024: 38111%
- Imaging
- 2023: 242024: 1921%
Where Dr. Parnes' Medicare services took place, 2024
- In an office78,645100%
- In a facility790%
Dr. Parnes compared with the Maine median for ophthalmologists, 2024
- Dr. Parnes
- Maine median
- Medicare services
- 78,724vs 1,06074.3 times
- Medicare patients
- 630vs 36274% above
- Part D claims
- 725vs 63215% above
Medians across 91 ophthalmologists in Maine with Dmand AI profiles that report each measure.
Dr. Parnes' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Parnes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parnes and other ophthalmologists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Jacob Parnes treated 630 Medicare patients in 2024, average age 79
CMS counts 630 Medicare patients who saw Dr. Parnes in 2024. The largest group is 75 to 84, with 263 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parnes' median patient age at 76, with 55% women.
Dr. Parnes' Medicare patients by age, 2024
Dr. Parnes' Medicare patients by sex, 2024
- Women34555%
- Men28545%
Chronic conditions among Dr. Parnes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis40%
- Diabetes30%
- Chronic kidney disease29%
- Ischemic heart disease29%
- Atrial fibrillation22%
- Heart failure21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parnes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron Jacob Parnes wrote 803 Medicare Part D claims in 2024
In 2024, Dr. Parnes wrote 803 Medicare Part D claims for 237 patients. 52% of them were for generic drugs. CMS names the drug for 725 of them, across 11 drugs with 11 or more claims each, at $28,919 in total drug cost. In 2023, CMS named 718 claims across 12 drugs.
Dr. Parnes' Part D claims by kind of drug, 2024
- Generic419 claims52%
- Brand-name384 claims48%
Dr. Parnes' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7182024: 7251%
Drugs named by CMS: 11 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Aaron Jacob Parnes scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Parnes for performance year 2024, reported through an alternative payment model (APM). Dr. Parnes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Parnes' MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Aaron Jacob Parnes has 7 publications on record
Dmand AI links 7 papers to Dr. Parnes, published from 2013 to 2015. 2015 was the busiest year, with 4. The most frequent topics are Vitrectomy, Retinal Detachment and Scleral Buckling. Dr. Parnes has published most often in Biomed Res Int. Dr. Parnes' most frequent co-authors are Ron Afshari Adelman, MD and Jack Owens Sipperley, MD.
Dr. Parnes' papers by year, 2013 to 2015
Topics Dr. Parnes writes about most
- Vitrectomy
- Retinal Detachment
- Scleral Buckling
- Visual Acuity
- Endotamponade
- Europe
- Health Care Surveys
- Macular Edema
Dr. Parnes' most frequent co-authors
Recent publications by Dr. Parnes
See who Dr. Parnes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parnes works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Aaron Jacob Parnes received $760 in industry payments from 2016 to 2025
CMS Open Payments shows 25 general payments to Dr. Parnes from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Carl Zeiss Meditec, Inc. paid the most, $357.
General payments to Dr. Parnes by program year, 2016 to 2025
General payments to Dr. Parnes by kind, 2016 to 2025
- Food and beverage$71194%
- Education$426%
- Gifts$71%
Companies that paid Dr. Parnes the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron Jacob Parnes graduated from Pennsylvania State University College of Medicine
Dr. Parnes graduated from Pennsylvania State University College of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron Jacob Parnes's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Aaron Jacob Parnes
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Aaron Jacob Parnes' NPI number?
Dr. Aaron Jacob Parnes' NPI number is 1780888586. It was assigned on June 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Jacob Parnes?
Dr. Aaron Jacob Parnes is an ophthalmologist in Portland, Maine. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Aaron Jacob Parnes practice?
Dr. Parnes practices at 53 Sewall Street, Portland, ME 04102. Dr. Parnes' primary practice is Eyecare Medical Group in Portland, Maine. Dmand AI also links Dr. Parnes to 1 medical group.
What is Dr. Aaron Jacob Parnes' office phone number?
The practice phone on file for Dr. Parnes is (207) 828-2020.
What is Dr. Aaron Jacob Parnes' medical license number?
Dr. Parnes holds Maine license MD19642, one of the licenses on file in 3 states.
Which states has Dr. Aaron Jacob Parnes been licensed in?
Dmand AI has state licenses on file for Dr. Parnes in Maine, Connecticut and Delaware.
Does Dr. Aaron Jacob Parnes accept Medicare?
Yes. CMS data shows Dr. Parnes billed Medicare for 78,724 services in 2024, and Dr. Parnes accepts Medicare assignment.
What is Dr. Aaron Jacob Parnes' MIPS score?
Dr. Parnes' MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Aaron Jacob Parnes see?
CMS counts 630 Medicare patients who saw Dr. Parnes in 2024, with an average age of 79.
What services does Dr. Aaron Jacob Parnes bill to Medicare?
In 2024, Dr. Parnes' most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and surgery: eye (67028).
Show 6 more questionsShow fewer questions
Where did Dr. Aaron Jacob Parnes go to medical school?
Dr. Parnes graduated from Pennsylvania State University College of Medicine in 2007.
What drugs does Dr. Aaron Jacob Parnes prescribe most?
In 2024 Medicare Part D data, Dr. Parnes' most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Brimonidine Tartrate.
Has Dr. Aaron Jacob Parnes received payments from drug or device companies?
CMS Open Payments shows $760 in general payments to Dr. Parnes from 9 companies from 2016 to 2025. The largest total came from Carl Zeiss Meditec, Inc.
How long has Dr. Aaron Jacob Parnes been practicing?
Dr. Parnes graduated from medical school in 2007, 19 years ago.
Does Dr. Aaron Jacob Parnes do research?
Dmand AI links 7 publications to Dr. Parnes, published from 2013 to 2015.
Who does Dr. Aaron Jacob Parnes publish with?
Dr. Parnes' most frequent co-authors are Ron Afshari Adelman, MD (7 shared papers) and Jack Owens Sipperley, MD (1 shared paper).
Selling to ophthalmology practices?
See ophthalmologists in Maine by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card