Jon Carnahan, DO
NPI 1568959609 · Hospitalist Physician · Muskegon, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Carnahan, DO is a Hospitalist Physician provider in Muskegon, MI (NPI 1568959609).
Provider details
- NPI number
- 1568959609
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101026325 (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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
333 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 125 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 78 | $171 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 51 | $120 |
| Critical Care, First 30-74 Minutes99291 | 49 | $216 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $125 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 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
Additional practice locations (1)
- 1675 Leahy St Ste 201aMuskegon, MI 49442-5542Phone: (231) 672-7800Fax: (231) 672-7801
Registry dates
- Enumerated
- 2018-04-14
- Last updated
- 2022-04-23
- Certified
- 2022-04-23
Frequently asked questions
- What is Jon Carnahan's NPI number?
- Jon Carnahan's National Provider Identifier (NPI) is 1568959609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Carnahan's specialty?
- Jon Carnahan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Carnahan located?
- Jon Carnahan's practice location on file with NPPES is 1500 E Sherman Blvd, Muskegon, MI 49444-1849.
- What is Jon Carnahan's phone number?
- The practice phone number listed in the NPPES registry for Jon Carnahan is (231) 672-3883.
- Does Jon Carnahan accept Medicare?
- Jon Carnahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Carnahan's NPI active?
- Yes — Jon Carnahan's NPI (1568959609) is active in the NPPES registry as of the last update on 2022-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.