Dr. Thomas Marshall Aaberg Jr., MD

  • Grand Rapids, MI
  • Retina specialist (ophthalmology) physician
NPI1194753186PAC ID7618047978
Medicare services, 2024
1,102
Medicare patients, 2024
168
Part D claims, 2024
333
Publications
108
Clinical trials
1
Practice address
5030 Cascade SE Rd, Grand Rapids, MI 49546
Practice phone
Call (616) 954-2020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Retina Specialists of Michigan

Grand Rapids, Michigan

See all 3 affiliations

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Dr. Thomas Marshall Aaberg Jr. is a retina specialist (ophthalmology) physician in Grand Rapids, Michigan

Dr. Aaberg practices at Retina Specialists of Michigan in Grand Rapids, Michigan.

Dr. Aaberg's NPI, 1194753186, was assigned on June 29, 2006. Dr. Aaberg graduated from University of Wisconsin-Madison in 1991. Dr. Aaberg holds Michigan license 4301077476.

NPI and contact details
Medicare PAC ID
7618047978
NPI enumeration date
June 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 954-2020
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas Marshall Aaberg Jr. practices at Retina Specialists of Michigan in Grand Rapids, Michigan

Dr. Aaberg's primary practice is Retina Specialists of Michigan, at 5030 Cascade SE Rd, Grand Rapids, MI 49546 in Kent County. The practice phone is (616) 954-2020.

  • Retina Specialists of Michigan
    5030 Cascade SE Rd, Grand Rapids, MI 49546 · Kent CountyPhone(616) 954-2020

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas Marshall Aaberg Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Aaberg's primary practice is Retina Specialists of Michigan in Grand Rapids, Michigan. Dmand AI also links Dr. Aaberg to 1 group practice or clinic and 1 medical group, each named with a free account.

Retina Specialists of MichiganGrand Rapids, MichiganPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Dr. Aaberg

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thomas Marshall Aaberg Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aaberg practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Retina Specialists of MichiganAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas Marshall Aaberg Jr. is one of 47 retina specialist (ophthalmology) physicians in Michigan

Retina specialist is Dr. Aaberg's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Aaberg is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Aaberg's licenses on file in 5 states: Michigan, California, Florida, Georgia and Wisconsin.

Specialties and state licenses

  • Retina specialist (ophthalmology), MichiganPrimaryLicense 4301077476 · 2001 to 2026 · taxonomy 207WX0107X
  • California licenseSince 1997
  • Florida license1993 to 2012
  • Georgia license1996 to 2001
  • Wisconsin license1992 to 1995

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Aaberg treats.

Retina specialist (ophthalmology) physicians near Dr. Aaberg

Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

47retina specialist (ophthalmology) physicians in Michigan
5retina specialist (ophthalmology) physicians in Grand Rapids

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thomas Marshall Aaberg Jr. billed Medicare for 1,102 services in 2024

CMS data shows 1,102 Medicare services from Dr. Aaberg across 8 procedure codes in 2024, for 168 Medicare patients. Medicare paid $183,306 for them. Every service was in an office.

Medicare services, 20241,102
Medicare patients168
Paid by Medicare$183,306
Procedure codes8

Dr. Aaberg's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 7362024: 57622%
Drugs given in the office
2023: 3692024: 28323%
Surgery
2023: 2582024: 18130%
Imaging
2023: 422024: 4610%
Office and hospital visits
2023: 272024: 1641%

Dr. Aaberg compared with the Michigan median for retina specialist (ophthalmology) physicians, 2024

  • Dr. Aaberg
  • Michigan median
Medicare services
1,102vs 13,00792% below
Medicare patients
168vs 62273% below
Part D claims
243vs 30821% below

Medians across 48 retina specialist (ophthalmology) physicians in Michigan with Dmand AI profiles that report each measure.

Dr. Aaberg's 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.

See all procedures by Dr. Aaberg

Need commercial claims for Dr. Aaberg?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Aaberg and other retina specialist (ophthalmology) physicians in Michigan.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas Marshall Aaberg Jr. treated 168 Medicare patients in 2024, average age 75

CMS counts 168 Medicare patients who saw Dr. Aaberg in 2024. The largest group is 65 to 74, with 62 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Aaberg's median patient age at 73, with 57% women.

Medicare patients, 2024168
Average age75
Average risk score1.41
Also on Medicaid12%

Dr. Aaberg's Medicare patients by age, 2024

Dr. Aaberg's Medicare patients by sex, 2024

  • Women9758%
  • Men7142%

Chronic conditions among Dr. Aaberg's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol72%
  3. Arthritis45%
  4. Diabetes29%
  5. Chronic kidney disease26%
  6. Anxiety24%
  7. Ischemic heart disease23%
  8. Mood disorders23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Aaberg's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas Marshall Aaberg Jr. wrote 333 Medicare Part D claims in 2024

In 2024, Dr. Aaberg wrote 333 Medicare Part D claims for 78 patients. 64% of them were for generic drugs. CMS names the drug for 243 of them, across 9 drugs with 11 or more claims each, at $13,037 in total drug cost. In 2023, CMS named 291 claims across 11 drugs.

Part D claims, 2024333
Drugs named by CMS9
Total drug cost$13,037
Part D patients78

Dr. Aaberg's Part D claims by kind of drug, 2024

  • Generic212 claims64%
  • Brand-name121 claims36%

Dr. Aaberg's 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: 2912024: 24316%

Drugs named by CMS: 9 in 2024, 11 in 2023.

See all prescribing by Dr. Aaberg

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. Thomas Marshall Aaberg Jr. scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Aaberg for performance year 2024, reported as part of a group. Dr. Aaberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Aaberg's MIPS scores, performance year 2024

  • 100of 100Final score
  • 97.4of 100Quality
  • 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

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Dr. Thomas Marshall Aaberg Jr. has 108 publications on record

Dmand AI links 108 papers to Dr. Aaberg, published from 2008 to 2022. 2012 was the busiest year, with 2. The most frequent topics are Visual Acuity, Retinal Detachment and Retinal Diseases. Dr. Aaberg has published most often in Am J Ophthalmol. Dr. Aaberg's most frequent co-authors are Antonio Capone, MD, Thomas M. Aaberg, MD and Chris Sheldon Bergstrom, MD.

Papers108
Years published2008 to 2022

Dr. Aaberg's papers by year, 2008 to 2022

Topics Dr. Aaberg writes about most

  • Visual Acuity
  • Retinal Detachment
  • Retinal Diseases
  • Vitreous Body
  • Fluorescein Angiography
  • Vitrectomy
  • Fundus Oculi
  • Postoperative Complications

Dr. Aaberg's most frequent co-authors

Recent publications by Dr. Aaberg

See all 108 publications and co-authors

See who Dr. Aaberg researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Aaberg works with, so you can find a warm path to the right retina specialist (ophthalmology) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas Marshall Aaberg Jr. has worked on 1 clinical trial

Dmand AI links Dr. Aaberg to 1 clinical trial. Conditions studied include Geographic Atrophy and Macular Degeneration.

Conditions in Dr. Aaberg's trials

  • Geographic Atrophy
  • Macular Degeneration

Investigators on the most trials with Dr. Aaberg

Recent clinical trials with Dr. Aaberg

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Thomas Marshall Aaberg Jr. received $72,959 in industry payments from 2016 to 2025

CMS Open Payments shows 194 general payments to Dr. Aaberg from 33 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 33% of the total. Alcon Research Ltd paid the most, $25,449. It also lists 46 research payments totaling $347,609 from 2016 to 2020.

General payments to Dr. Aaberg by program year, 2016 to 2025

General payments to Dr. Aaberg by kind, 2016 to 2025

$73Kin total
  • Royalties and licenses$24,04933%
  • Consulting fees$23,18332%
  • Speaker and faculty fees$12,60017%
  • Food and beverage$8,25911%
  • Other$4,8377%

Companies that paid Dr. Aaberg the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Aaberg

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas Marshall Aaberg Jr. has 8 awards and honors on record

Dmand AI lists 8 awards for Dr. Aaberg, most recently The Vision in Action Award in 2013.

Awards and honors for Dr. Aaberg

  1. 2013
    • The Vision in Action Award
  2. 2012
    • CMS Stage 1 2012
    • Outstanding Service as a Retina Times Physician Reporter at the 30th ASRS Annual Meeting
    • Outstanding Service Award at 2012 Annual Meeting
  3. 2008
    • Achievement Award
  4. 1995
    • Heed Scholarship
See all 8 awards

Source: Dmand AI Professional Profile Data

Dr. Thomas Marshall Aaberg Jr. graduated from University of Wisconsin-Madison

Dr. Aaberg graduated from University of Wisconsin-Madison in 1991. Dr. Aaberg is a member of AAO.

  1. Medical schoolUniversity of Wisconsin-Madison
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Thomas Marshall Aaberg Jr. accepts plans from 14 insurance carriers

Dr. Aaberg is in network with 14 carriers, including Aetna, Elevance and Health Alliance Plan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Aaberg accepts, by number of carriers

  1. HMO11
  2. Medicare11
  3. PPO10
  4. POS6
  5. EPO3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Marshall Aaberg Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas Marshall Aaberg Jr.

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. Thomas Marshall Aaberg Jr.'s NPI number?

Dr. Thomas Marshall Aaberg Jr.'s NPI number is 1194753186. It was assigned on June 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Marshall Aaberg Jr.?

Dr. Thomas Marshall Aaberg Jr. is a retina specialist (ophthalmology) physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).

Where does Dr. Thomas Marshall Aaberg Jr. practice?

Dr. Aaberg practices at 5030 Cascade SE Rd, Grand Rapids, MI 49546. Dr. Aaberg's primary practice is Retina Specialists of Michigan in Grand Rapids, Michigan. Dmand AI also links Dr. Aaberg to 1 group practice or clinic and 1 medical group.

What is Dr. Thomas Marshall Aaberg Jr.'s office phone number?

The practice phone on file for Dr. Aaberg is (616) 954-2020.

What is Dr. Thomas Marshall Aaberg Jr.'s medical license number?

Dr. Aaberg holds Michigan license 4301077476, one of the licenses on file in 5 states.

Which states has Dr. Thomas Marshall Aaberg Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Aaberg in Michigan (2001 to 2026), California (since 1997), Florida (1993 to 2012), Georgia (1996 to 2001) and Wisconsin (1992 to 1995).

Does Dr. Thomas Marshall Aaberg Jr. accept Medicare?

Yes. CMS data shows Dr. Aaberg billed Medicare for 1,102 services in 2024, and Dr. Aaberg accepts Medicare assignment.

What is Dr. Thomas Marshall Aaberg Jr.'s MIPS score?

Dr. Aaberg's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Thomas Marshall Aaberg Jr. see?

CMS counts 168 Medicare patients who saw Dr. Aaberg in 2024, with an average age of 75.

Is Dr. Thomas Marshall Aaberg Jr. board certified?

Yes. Dr. Aaberg is board certified in ophthalmology by the American Board of Ophthalmology.

Show 8 more questionsShow fewer questions

What services does Dr. Thomas Marshall Aaberg Jr. bill to Medicare?

In 2024, Dr. Aaberg's most billed Medicare services were eye exam or test (92134), injected or infused drug (J0178) and surgery: eye (67028).

Where did Dr. Thomas Marshall Aaberg Jr. go to medical school?

Dr. Aaberg graduated from University of Wisconsin-Madison in 1991.

What drugs does Dr. Thomas Marshall Aaberg Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Aaberg's most prescribed drugs by claims were Prednisolone Acetate, Timolol Maleate and Difluprednate.

Has Dr. Thomas Marshall Aaberg Jr. received payments from drug or device companies?

CMS Open Payments shows $72,959 in general payments to Dr. Aaberg from 33 companies from 2016 to 2025. The largest total came from Alcon Research Ltd.

How long has Dr. Thomas Marshall Aaberg Jr. been practicing?

Dr. Aaberg graduated from medical school in 1991, 35 years ago.

Does Dr. Thomas Marshall Aaberg Jr. do research?

Dmand AI links 108 publications to Dr. Aaberg, published from 2008 to 2022. Dr. Aaberg has worked on 1 clinical trial.

Who does Dr. Thomas Marshall Aaberg Jr. publish with?

Dr. Aaberg's most frequent co-authors are Antonio Capone, MD (13 shared papers), Thomas M. Aaberg, MD (7 shared papers) and Chris Sheldon Bergstrom, MD (5 shared papers).

What insurance does Dr. Thomas Marshall Aaberg Jr. accept?

Dr. Aaberg is in network with 14 carriers, including Aetna, Elevance and Health Alliance Plan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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