Dan Chaffee, M.D.
NPI 1528003308 · Emergency Medicine Physician · Saint Joseph, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dan Chaffee, M.D. is a Emergency Medicine Physician provider in Saint Joseph, MI (NPI 1528003308).
Provider details
- NPI number
- 1528003308
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 038079 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 182 |
| Levetiracetam | 90 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 90 |
| Pravastatin Sodium | 89 |
| Levothyroxine Sodium | 53 |
| Oxcarbazepine | 46 |
| Benztropine Mesylate | 45 |
| Fenofibrate Nanocrystallizedbrand: Fenofibrate | 45 |
| Furosemide | 45 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (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
- 2006-06-17
- Last updated
- 2017-01-19
Frequently asked questions
- What is Dan Chaffee's NPI number?
- Dan Chaffee's National Provider Identifier (NPI) is 1528003308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Chaffee's specialty?
- Dan Chaffee is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Chaffee located?
- Dan Chaffee's practice location on file with NPPES is 1234 Napier Ave, Saint Joseph, MI 49085-2112.
- What is Dan Chaffee's phone number?
- The practice phone number listed in the NPPES registry for Dan Chaffee is (269) 983-8300.
- Does Dan Chaffee accept Medicare?
- Dan Chaffee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dan Chaffee's NPI active?
- Yes — Dan Chaffee's NPI (1528003308) is active in the NPPES registry as of the last update on 2017-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.