Michael App, MD
NPI 1467490953 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael App, MD is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1467490953).
Provider details
- NPI number
- 1467490953
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301071009 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,323 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 463 | $39 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 370 | $48 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 188 | $45 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 61 | $131 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 58 | $19 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 3,673 | 3,662 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 2,921 | 2,284 |
| Diphth,pertuss(acell),tet Vacbrand: Boostrix Tdap | 1,543 | 1,540 |
| Rsv Vacc, Pref a and Pref B/Pfbrand: Abrysvo | 598 | 595 |
| Atorvastatin Calcium | 382 | 118 |
| Hepatitis a and B Vaccine/Pfbrand: Twinrix | 316 | 212 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,172 across 130 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-04
- Last updated
- 2024-04-02
- Certified
- 2024-04-02
Frequently asked questions
- What is Michael App's NPI number?
- Michael App's National Provider Identifier (NPI) is 1467490953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael App's specialty?
- Michael App is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael App located?
- Michael App's practice location on file with NPPES is 655 Kenmoor Ave Se Ste 200, Grand Rapids, MI 49546-8622.
- What is Michael App's phone number?
- The practice phone number listed in the NPPES registry for Michael App is (616) 363-7690.
- Does Michael App accept Medicare?
- Michael App is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael App's NPI active?
- Yes — Michael App's NPI (1467490953) is active in the NPPES registry as of the last update on 2024-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.