Artificial Lens Implant MigrationLenses, IntraocularLens Implantation, Intraocular
Dr. Grant Michael Comer, MD
NPI1356359079PAC ID8729010137
- Medicare services, 2024
- 2,533
- Medicare patients, 2024
- 471
- Part D claims, 2024
- 158
- Publications
- 20
- Clinical trials
- 1
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Comer's professional email, personal email and mobile number
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Dr. Grant Michael Comer is an ophthalmologist in Ann Arbor, Michigan
Dr. Comer practices at University Hospital in Ann Arbor, Michigan.
Dr. Comer's NPI, 1356359079, was assigned on August 4, 2006. Dr. Comer graduated from Indiana University School of Medicine in 2001. Dr. Comer holds Michigan license 4301085267.
NPI and contact details
- NPI
- 1356359079NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729010137
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grant Michael Comer practices at University Hospital in Ann Arbor, Michigan
Dr. Comer's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Grant Michael Comer is affiliated with 3 sites of care and 1 medical group
Dr. Comer's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Comer is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Comer to 1 more group practice or clinic, named with a free account. Dr. Comer's employer is on file too: a school & student health.
University HospitalPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grant Michael Comer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Comer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grant Michael Comer is one of 653 ophthalmologists in Michigan
Ophthalmology is Dr. Comer's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Comer is licensed in Michigan.
Specialties and state licenses
- Ophthalmology, MichiganPrimary
Ophthalmologists near Dr. Comer
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. Grant Michael Comer billed Medicare for 2,533 services in 2024
CMS data shows 2,533 Medicare services from Dr. Comer across 8 procedure codes in 2024, for 471 Medicare patients. Medicare paid $105,746 for them. Every service was in an office.
Medicare services, 20242,533
Medicare patients471
Paid by Medicare$105,746
Procedure codes8
Dr. Comer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3382024: 1,12016%
- Surgery
- 2023: 8402024: 70216%
- Office and hospital visits
- 2023: 6982024: 54322%
- Other services
- 2023: 02024: 168
Dr. Comer compared with the Michigan median for ophthalmologists, 2024
- Dr. Comer
- Michigan median
- Medicare services
- 2,533vs 1,0802.3 times
- Medicare patients
- 471vs 40417% above
- Part D claims
- 133vs 68881% below
Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.
Dr. Comer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Comer and other ophthalmologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grant Michael Comer treated 471 Medicare patients in 2024, average age 76
CMS counts 471 Medicare patients who saw Dr. Comer in 2024. The largest group is 75 to 84, with 185 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Comer's median patient age at 72, with 53% women.
Medicare patients, 2024471
Average age76
Average risk score1.56
Also on Medicaid9%
Dr. Comer's Medicare patients by age, 2024
Dr. Comer's Medicare patients by sex, 2024
- Women27458%
- Men19742%
Chronic conditions among Dr. Comer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis45%
- Diabetes38%
- Chronic kidney disease31%
- Ischemic heart disease30%
- Mood disorders24%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Comer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grant Michael Comer wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Comer wrote 158 Medicare Part D claims for 48 patients. 63% of them were for generic drugs. CMS names the drug for 133 of them, across 5 drugs with 11 or more claims each, at $5,350 in total drug cost. In 2023, CMS named 92 claims across 3 drugs.
Part D claims, 2024158
Drugs named by CMS5
Total drug cost$5,350
Part D patients48
Dr. Comer's Part D claims by kind of drug, 2024
- Generic99 claims63%
- Brand-name59 claims37%
Dr. Comer'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: 922024: 13345%
Drugs named by CMS: 5 in 2024, 3 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
How Dr. Grant Michael Comer takes part in Medicare
Dr. Comer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Grant Michael Comer has 20 publications on record
Dmand AI links 20 papers to Dr. Comer, published from 2011 to 2024. 2012 was the busiest year, with 5. The most frequent topics are Fluorescein Angiography, Tomography, Optical Coherence and Fundus Oculi. Dr. Comer has published most often in Retina. Dr. Comer's most frequent co-authors are Maxwell S. Stem, MD, Victor Maurice Elner, MD, PhD and Thomas Marshall Aaberg, MD.
Papers20
Years published2011 to 2024
Dr. Comer's papers by year, 2011 to 2024
Topics Dr. Comer writes about most
- Fluorescein Angiography
- Tomography, Optical Coherence
- Fundus Oculi
- Electroretinography
- Endophthalmitis
- Geographic Atrophy
- Lens Implantation, Intraocular
- Retinal Diseases
Dr. Comer's most frequent co-authors
- Maxwell S. Stem, MD4 shared papers
- Victor Maurice Elner, MD, PhD3 shared papers
- Thomas Marshall Aaberg, MD1 shared paper
Recent publications by Dr. Comer
AllelesEyeEye Diseases, Hereditary
Maculopathy in Patients with Monoclonal Gammopathy of Undetermined Significance (opens in a new tab)
Ophthalmol Retina
Fluorescein AngiographyFundus OculiMacula Lutea
See who Dr. Comer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Comer 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. Grant Michael Comer has worked on 1 clinical trial
Dmand AI links Dr. Comer to 1 clinical trial.
Investigators on the most trials with Dr. Comer
- Calvin Einar Mein, MD1 shared trial
- Mark Anthony Peters, MD1 shared trial
- George S. Sharuk, MD1 shared trial
Recent clinical trials with Dr. Comer
Deferred afliberceptPrompt aflibercept
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Grant Michael Comer graduated from Indiana University School of Medicine
Dr. Comer graduated from Indiana University School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Grant Michael Comer'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Grant Michael Comer
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. Grant Michael Comer's NPI number?
Dr. Grant Michael Comer's NPI number is 1356359079. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant Michael Comer?
Dr. Grant Michael Comer is an ophthalmologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Grant Michael Comer practice?
Dr. Comer practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Comer's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Comer to 1 group practice or clinic.
What is Dr. Grant Michael Comer's office phone number?
The practice phone on file for Dr. Comer is (734) 936-4000.
What is Dr. Grant Michael Comer's medical license number?
Dr. Comer holds Michigan license 4301085267.
Which hospitals is Dr. Grant Michael Comer affiliated with?
Dr. Comer is affiliated with University Hospital.
What medical group is Dr. Grant Michael Comer part of?
Dr. Comer is linked to University of Michigan Health.
Does Dr. Grant Michael Comer accept Medicare?
Yes. CMS data shows Dr. Comer billed Medicare for 2,533 services in 2024, and Dr. Comer accepts Medicare assignment.
How many Medicare patients does Dr. Grant Michael Comer see?
CMS counts 471 Medicare patients who saw Dr. Comer in 2024, with an average age of 76.
What services does Dr. Grant Michael Comer bill to Medicare?
In 2024, Dr. Comer's most billed Medicare services were eye exam or test (92134), surgery: eye (67028) and office visit, established patient (99214).
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Where did Dr. Grant Michael Comer go to medical school?
Dr. Comer graduated from Indiana University School of Medicine in 2001.
What drugs does Dr. Grant Michael Comer prescribe most?
In 2024 Medicare Part D data, Dr. Comer's most prescribed drugs by claims were Prednisolone Acetate, Dorzolamide-Timolol and Ketorolac Tromethamine.
How long has Dr. Grant Michael Comer been practicing?
Dr. Comer graduated from medical school in 2001, 25 years ago.
Does Dr. Grant Michael Comer do research?
Dmand AI links 20 publications to Dr. Comer, published from 2011 to 2024. Dr. Comer has worked on 1 clinical trial.
Who does Dr. Grant Michael Comer publish with?
Dr. Comer's most frequent co-authors are Maxwell S. Stem, MD (4 shared papers), Victor Maurice Elner, MD, PhD (3 shared papers) and Thomas Marshall Aaberg, MD (1 shared paper).
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