David Chalupa, P.A.-C.
NPI 1063635035 · Medical Physician Assistant · Saint Joseph, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chalupa, P.A.-C. is a Medical Physician Assistant provider in Saint Joseph, MI (NPI 1063635035).
Provider details
- NPI number
- 1063635035
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C.
- Sex
- Male
- Sole proprietor
- No
- License
- 5601003437 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
394 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $109 |
| Blood Test, Clotting Time85610 | 99 | $4 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 94 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $75 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 21 | $6 |
Typical Medicare-allowed amounts for these services range $4–$109 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 194 | 85 |
| Apixabanbrand: Eliquis | 138 | 50 |
| Metoprolol Tartrate | 136 | 55 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 128 | 56 |
| Carvedilol | 119 | 45 |
| Metoprolol Succinate | 108 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 3 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
- 2007-04-10
- Last updated
- 2019-03-12
Frequently asked questions
- What is David Chalupa's NPI number?
- David Chalupa's National Provider Identifier (NPI) is 1063635035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chalupa's specialty?
- David Chalupa is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Chalupa located?
- David Chalupa's practice location on file with NPPES is 3950 Hollywood Rd Ste 110, Saint Joseph, MI 49085-9151.
- What is David Chalupa's phone number?
- The practice phone number listed in the NPPES registry for David Chalupa is (269) 985-1000.
- Does David Chalupa accept Medicare?
- David Chalupa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chalupa's NPI active?
- Yes — David Chalupa's NPI (1063635035) is active in the NPPES registry as of the last update on 2019-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.