Dr. Christopher Gappy, MD
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 36
- Hospital affiliations
- 1
- Industry payments
- $11
- 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. Gappy's 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. Christopher Gappy is an ophthalmologist in Ann Arbor, Michigan
Dr. Gappy practices at University Hospital in Ann Arbor, Michigan.
Dr. Gappy's NPI, 1417167198, was assigned on May 23, 2007. Dr. Gappy graduated from Wayne State University School of Medicine in 2005. Dr. Gappy holds Michigan license 4301086156.
- NPI
- 1417167198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567514755
- NPI enumeration date
- May 23, 2007
- 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
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Gappy practices at University Hospital in Ann Arbor, Michigan
Dr. Gappy'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. Christopher Gappy is affiliated with 4 sites of care and 3 medical groups
Dr. Gappy's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Gappy is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Gappy to 2 more group practices and clinics and 2 medical groups, each named with a free account. Dr. Gappy's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Gappy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gappy practices, 4 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 |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Gappy is one of 653 ophthalmologists in Michigan
Ophthalmology is Dr. Gappy's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gappy is licensed in Michigan.
Specialties and state licenses
- Ophthalmology, MichiganPrimary
Ophthalmologists near Dr. Gappy
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. Christopher Gappy billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Dr. Gappy across 2 procedure codes in 2024, for 49 Medicare patients. Medicare paid $3,477 for them. Every service was in an office.
Dr. Gappy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 02024: 43
- Office and hospital visits
- 2023: 622024: 4232%
Dr. Gappy compared with the Michigan median for ophthalmologists, 2024
- Dr. Gappy
- Michigan median
- Medicare services
- 85vs 1,08092% below
- Medicare patients
- 49vs 40488% below
Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.
Dr. Gappy'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. Gappy and other ophthalmologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Gappy treated 49 Medicare patients in 2024, average age 71
CMS counts 49 Medicare patients who saw Dr. Gappy in 2024. The largest group is 65 to 74, with 20 patients. 61% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gappy's median patient age at 12, with 51% women.
Dr. Gappy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gappy's Medicare patients, 2024
- High blood pressure61%
- High cholesterol61%
- Arthritis51%
- Anxiety39%
- Depression31%
- Mood disorders31%
- Ischemic heart disease29%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gappy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Gappy wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Gappy wrote 36 Medicare Part D claims for 12 patients. 83% of them were for generic drugs.
Dr. Gappy's Part D claims by kind of drug, 2024
- Generic30 claims83%
- Brand-name and other6 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Christopher Gappy takes part in Medicare
Dr. Gappy 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. Christopher Gappy received $11 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Gappy from 1 drug or device company in 2022. Education make up the largest share, 100% of the total. Travere Therapeutics, Inc. paid the most, $11.
Companies that paid Dr. Gappy the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Gappy graduated from Wayne State University School of Medicine
Dr. Gappy graduated from Wayne State University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Gappy'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 (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) |
| 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. Christopher Gappy
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. Christopher Gappy's NPI number?
Dr. Christopher Gappy's NPI number is 1417167198. It was assigned on May 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Gappy?
Dr. Christopher Gappy is an ophthalmologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Christopher Gappy practice?
Dr. Gappy practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Gappy's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Gappy to 2 group practices and clinics and 2 medical groups.
What is Dr. Christopher Gappy's office phone number?
The practice phone on file for Dr. Gappy is (734) 936-4000.
What is Dr. Christopher Gappy's medical license number?
Dr. Gappy holds Michigan license 4301086156.
Which hospitals is Dr. Christopher Gappy affiliated with?
Dr. Gappy is affiliated with University Hospital.
What medical group is Dr. Christopher Gappy part of?
Dr. Gappy is linked to University of Michigan Health. Dmand AI links Dr. Gappy to 2 more medical groups.
Does Dr. Christopher Gappy accept Medicare?
Yes. CMS data shows Dr. Gappy billed Medicare for 85 services in 2024, and Dr. Gappy accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Gappy see?
CMS counts 49 Medicare patients who saw Dr. Gappy in 2024, with an average age of 71.
What services does Dr. Christopher Gappy bill to Medicare?
In 2024, Dr. Gappy's most billed Medicare services were medicare service (G2211) and office visit, established patient (99214).
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Where did Dr. Christopher Gappy go to medical school?
Dr. Gappy graduated from Wayne State University School of Medicine in 2005.
Has Dr. Christopher Gappy received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Gappy from 1 company from 2022 to 2022. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Christopher Gappy been practicing?
Dr. Gappy graduated from medical school in 2005, 21 years ago.
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