Mavis M. Gappy

  • Troy, MI
  • Ophthalmologist
NPI1376171322PAC ID4385180793
Medicare services, 2024
153
Medicare patients, 2024
80
Part D claims, 2024
480
Hospital affiliations
2
Industry payments
$1,066
Practice address
44201 Dequindre Road, Troy, MI 48085
Practice phone
Call (248) 964-8800
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Corewell Health Beaumont Troy Hospital

Hospital · Troy, Michigan

See all 5 affiliations

Find Mavis 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.

View contacts for free

Mavis M. Gappy is an ophthalmologist in Troy, Michigan

Mavis Gappy practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health.

Mavis Gappy's NPI, 1376171322, was assigned on March 27, 2020. Mavis Gappy holds Michigan license 4301512020.

NPI and contact details
Medicare PAC ID
4385180793
NPI enumeration date
March 27, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(248) 964-8800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
32
Medical school graduation
2020

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

Mavis M. Gappy practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan

Mavis Gappy's primary practice is Corewell Health Beaumont Troy Hospital, at 44201 Dequindre Road, Troy, MI 48085 in Oakland County. The practice phone is (248) 964-8800.

Source: Dmand AI Affiliation Data

Mavis M. Gappy is affiliated with 4 sites of care and 1 medical group

Mavis Gappy's primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health. Mavis Gappy is also affiliated with Straith Hospital for Special Surgery. Dmand AI also links Mavis Gappy to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Mavis Gappy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mavis M. Gappy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mavis Gappy practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Beaumont Troy HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mavis Gappy practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.

Mavis M. Gappy is one of 653 ophthalmologists in Michigan

Ophthalmology is Mavis Gappy's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Mavis Gappy is licensed in Michigan.

Specialties and state licenses

  • Ophthalmology, MichiganPrimaryLicense 4301512020 · taxonomy 207W00000X

Ophthalmologists near Mavis 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

Mavis M. Gappy billed Medicare for 153 services in 2024

CMS data shows 153 Medicare services from Mavis Gappy across 6 procedure codes in 2024, for 80 Medicare patients. Medicare paid $10,389 for them. Every service was in an office.

Medicare services, 2024153
Medicare patients80
Paid by Medicare$10,389
Procedure codes6

Mavis Gappy compared with the Michigan median for ophthalmologists, 2024

  • Mavis Gappy
  • Michigan median
Medicare services
153vs 1,08086% below
Medicare patients
80vs 40480% below
Part D claims
423vs 68839% below

Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.

Mavis 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.

See all procedures by Mavis Gappy

Need commercial claims for Mavis Gappy?

Medicare shows one payer. Book a meeting to get commercial claims data for Mavis Gappy and other ophthalmologists in Michigan.

Book a meeting

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

Mavis M. Gappy treated 80 Medicare patients in 2024, average age 74

CMS counts 80 Medicare patients who saw Mavis Gappy in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mavis Gappy's median patient age at 63, with 48% women.

Medicare patients, 202480
Average age74
Average risk score1.18
Also on Medicaid51%

Mavis Gappy's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mavis Gappy's Medicare patients by sex, 2024

  • Women4556%
  • Men3544%

Chronic conditions among Mavis Gappy's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes54%
  4. Arthritis49%
  5. Ischemic heart disease39%
  6. Chronic kidney disease25%
  7. Heart failure20%
  8. Atrial fibrillation19%

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

Mavis 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 63

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Mavis M. Gappy wrote 480 Medicare Part D claims in 2024

In 2024, Mavis Gappy wrote 480 Medicare Part D claims for 117 patients. 83% of them were for generic drugs. CMS names the drug for 423 of them, across 8 drugs with 11 or more claims each, at $13,673 in total drug cost. In 2023, CMS named 410 claims across 8 drugs.

Part D claims, 2024480
Drugs named by CMS8
Total drug cost$13,673
Part D patients117

Mavis Gappy's Part D claims by kind of drug, 2024

  • Generic398 claims83%
  • Brand-name and other82 claims17%

Mavis Gappy'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: 4102024: 4233%

Drugs named by CMS: 8 in 2024, 8 in 2023.

See all prescribing by Mavis Gappy

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

Mavis M. Gappy ranks in the 41st percentile for cataract surgery in Medicare

Mavis Gappy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of cataract surgery by Mavis Gappy, more than 41% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Mavis Gappy ranks in Medicare procedure volume

Cataract surgery
41st percentile17 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find ophthalmologists like Mavis Gappy by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Mavis M. Gappy received $1,066 in industry payments from 2023 to 2025

CMS Open Payments shows 18 general payments to Mavis Gappy from 6 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $524.

General payments to Mavis Gappy by program year, 2023 to 2025

Companies that paid Mavis Gappy the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Mavis Gappy

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

Sources for Mavis M. Gappy'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Mavis M. 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 Mavis M. Gappy's NPI number?

Mavis M. Gappy's NPI number is 1376171322. It was assigned on March 27, 2020, and it is active in the NPI Registry.

What does Mavis M. Gappy specialize in?

Mavis M. Gappy is an ophthalmologist in Troy, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Mavis M. Gappy practice?

Mavis Gappy practices at 44201 Dequindre Road, Troy, MI 48085. Mavis Gappy's primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health. Dmand AI also links Mavis Gappy to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Mavis M. Gappy's office phone number?

The practice phone on file for Mavis Gappy is (248) 964-8800.

What is Mavis M. Gappy's medical license number?

Mavis Gappy holds Michigan license 4301512020.

Which hospitals is Mavis M. Gappy affiliated with?

Mavis Gappy practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan. Mavis Gappy is also affiliated with Straith Hospital for Special Surgery.

Does Mavis M. Gappy accept Medicare?

Yes. CMS data shows Mavis Gappy billed Medicare for 153 services in 2024, and Mavis Gappy accepts Medicare assignment.

How many Medicare patients does Mavis M. Gappy see?

CMS counts 80 Medicare patients who saw Mavis Gappy in 2024, with an average age of 74.

What services does Mavis M. Gappy bill to Medicare?

In 2024, Mavis Gappy's most billed Medicare services were eye exam or test (92014), eye exam or test (92134) and eye exam or test (92012).

What drugs does Mavis M. Gappy prescribe most?

In 2024 Medicare Part D data, Mavis Gappy's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

Has Mavis M. Gappy received payments from drug or device companies?

CMS Open Payments shows $1,066 in general payments to Mavis Gappy from 6 companies from 2023 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Mavis M. Gappy been practicing?

Mavis Gappy graduated from medical school in 2020, 6 years ago.

Selling to ophthalmology practices?

See ophthalmologists in Michigan 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)