Dr. Michael J. App, MD

  • Grand Rapids, MI
  • Internist
NPI1467490953PAC ID6002718400
Medicare services, 2024
1,364
Medicare patients, 2024
111
Part D claims, 2024
14,932
Hospital affiliations
1
Industry payments
$16,910
Practice address
655 Kenmoor SE Ave, Grand Rapids, MI 49546
Practice phone
Call (616) 363-7690
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Internal Medicine and Pediatrics of West Michigan

Grand Rapids, Michigan

See all 9 affiliations

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Dr. Michael J. App is an internist in Grand Rapids, Michigan

Dr. App practices at Internal Medicine and Pediatrics of West Michigan in Grand Rapids, Michigan.

Dr. App's NPI, 1467490953, was assigned on June 4, 2006. Dr. App graduated from Wayne State University School of Medicine in 1997. Dr. App holds Michigan license 4301071009.

NPI and contact details
Medicare PAC ID
6002718400
NPI enumeration date
June 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(616) 363-7690
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. Michael J. App practices at Internal Medicine and Pediatrics of West Michigan in Grand Rapids, Michigan

Dr. App's primary practice is Internal Medicine and Pediatrics of West Michigan, at 655 Kenmoor SE Ave, Grand Rapids, MI 49546 in Kent County. The practice phone is (616) 363-7690.

  • Internal Medicine and Pediatrics of West Michigan
    655 Kenmoor SE Ave, Grand Rapids, MI 49546 · Kent CountyPhone(616) 363-7690

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

Dr. Michael J. App is affiliated with 6 sites of care and 3 medical groups

Dr. App's primary practice is Internal Medicine and Pediatrics of West Michigan in Grand Rapids, Michigan. Dr. App is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Internal Medicine and Pediatrics of West Michigan. Dmand AI also links Dr. App to 2 more hospices, 2 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. App

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

Dmand AI tracks the EHR system at Dr. Michael J. App's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. App practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Internal Medicine and Pediatrics of West MichiganAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael J. App is one of 4,804 internists in Michigan

Internal medicine is Dr. App's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. App is licensed in Michigan.

Specialties and state licenses

  • Internal medicine, MichiganPrimaryLicense 4301071009 · taxonomy 207R00000X

Internists near Dr. App

Counts of internists 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. Michael J. App billed Medicare for 1,364 services in 2024

CMS data shows 1,364 Medicare services from Dr. App across 14 procedure codes in 2024, for 111 Medicare patients. Medicare paid $59,287 for them. Every service was in an office.

Medicare services, 20241,364
Medicare patients111
Paid by Medicare$59,287
Procedure codes14

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,2222024: 1,09410%
Other services
2023: 1472024: 17418%
Tests and treatments
2023: 562024: 9671%

Dr. App compared with the Michigan median for internists, 2024

  • Dr. App
  • Michigan median
Medicare services
1,364vs 4233.2 times
Medicare patients
111vs 15930% below
Part D claims
14,266vs 31445.4 times

Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.

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

Dr. Michael J. App treated 111 Medicare patients in 2024, average age 70

CMS counts 111 Medicare patients who saw Dr. App in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. App's median patient age at 40, with 52% women.

Medicare patients, 2024111
Average age70
Average risk score1.13
Also on Medicaid10%

Dr. App's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. App's Medicare patients by sex, 2024

  • Women5751%
  • Men5449%

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

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis41%
  4. Ischemic heart disease32%
  5. Depression28%
  6. Mood disorders28%
  7. Osteoporosis26%
  8. Atrial fibrillation25%

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

Dr. App's patients across all payers

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

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Michael J. App wrote 14,932 Medicare Part D claims in 2024

In 2024, Dr. App wrote 14,932 Medicare Part D claims for 7,861 patients. 32% of them were for generic drugs. CMS names the drug for 14,266 of them, across 121 drugs with 11 or more claims each, at $2,392,830 in total drug cost. In 2023, CMS named 18,376 claims across 112 drugs.

Part D claims, 202414,932
Drugs named by CMS121
Total drug cost$2.4M
Part D patients7,861

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

  • Generic4,822 claims32%
  • Brand-name10,089 claims68%
  • Other21 claims0%

Dr. App'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.

Drug classes CMS tracks in Dr. App's Part D claims, 2024

  • Opioids2%251 of 14,932 claims
  • Antibiotics1%155 of 14,932 claims
  • Antipsychotics, patients 65 and over0%32 of 14,932 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 18,3762024: 14,26622%

Drugs named by CMS: 121 in 2024, 112 in 2023.

See all prescribing by Dr. App

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. Michael J. App offers telehealth to Medicare patients

Dr. App accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. App as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael J. App received $16,910 in industry payments from 2016 to 2025

CMS Open Payments shows 1,167 general payments to Dr. App from 79 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,114.

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

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

$16.9Kin total
  • Food and beverage$16,62798%
  • Education$2832%

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

Share is of all general payments to this clinician.

See all payments to Dr. App

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

Dr. Michael J. App graduated from Wayne State University School of Medicine

Dr. App graduated from Wayne State University School of Medicine in 1997.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael J. App'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Michael J. App

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. Michael J. App's NPI number?

Dr. Michael J. App's NPI number is 1467490953. It was assigned on June 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael J. App?

Dr. Michael J. App is an internist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Michael J. App practice?

Dr. App practices at 655 Kenmoor SE Ave, Grand Rapids, MI 49546. Dr. App's primary practice is Internal Medicine and Pediatrics of West Michigan in Grand Rapids, Michigan. Dmand AI also links Dr. App to 2 hospices, 2 medical groups, 1 group practice or clinic and 1 home health agency.

What is Dr. Michael J. App's office phone number?

The practice phone on file for Dr. App is (616) 363-7690.

What is Dr. Michael J. App's medical license number?

Dr. App holds Michigan license 4301071009.

Which hospitals is Dr. Michael J. App affiliated with?

Dr. App is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.

What medical group is Dr. Michael J. App part of?

Dr. App is linked to Internal Medicine and Pediatrics of West Michigan. Dmand AI links Dr. App to 2 more medical groups.

Does Dr. Michael J. App accept Medicare?

Yes. CMS data shows Dr. App billed Medicare for 1,364 services in 2024, and Dr. App accepts Medicare assignment.

Does Dr. Michael J. App offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. App as offering telehealth services.

How many Medicare patients does Dr. Michael J. App see?

CMS counts 111 Medicare patients who saw Dr. App in 2024, with an average age of 70.

Show 5 more questionsShow fewer questions

What services does Dr. Michael J. App bill to Medicare?

In 2024, Dr. App's most billed Medicare services were care management and other visits (99458), care management and other visits (99457) and care management and other visits (99454).

Where did Dr. Michael J. App go to medical school?

Dr. App graduated from Wayne State University School of Medicine in 1997.

What drugs does Dr. Michael J. App prescribe most?

In 2024 Medicare Part D data, Dr. App's most prescribed drugs by claims were Arexvy, Shingrix and Boostrix Tdap.

Has Dr. Michael J. App received payments from drug or device companies?

CMS Open Payments shows $16,910 in general payments to Dr. App from 79 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Michael J. App been practicing?

Dr. App graduated from medical school in 1997, 29 years ago.

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