Ferdinand J. Korneli, DO
Internal Medicine · Grayling, MI
At a glance
1200 W North Down River Rd Ste C, Grayling, MI 49738-8024
NPPES record updated Oct 11, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1200 W North Down River Rd Ste CGrayling, MI 49738-8024
Additional reported practice locations
1250 E Michigan AveGrayling, MI 497387074
Phone: 9893480550
Fax: 9893486749 1100 E Michigan Ave
Grayling, MI 497381312
Phone: 9893485461
Fax: 9893485724 1321 S Mount Tom Rd
Mio, MI 486479518
Phone: 9892751200
Fax: 9892751210
Education & affiliations
- Medical / professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences
- Graduation year
- 1988
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- Kalkaska Memorial Health Center Kalkaska, MI
- Munson Healthcare Cadillac Hospital Cadillac, MI
- Munson Healthcare Grayling Hospital Grayling, MI
- Munson Healthcare Otsego Memorial Hospital Gaylord, MI
- Munson Medical Center Traverse City, MI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Education | $43.58 |
| Food and beverage | $23.65 |
Reporting companies
| Company | Amount |
|---|---|
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $29.69 |
| ASTRAZENECA PHARMACEUTICALS LP | $23.65 |
| AMGEN INC. | $13.89 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Jul 14, 2006
- Record updated
- Oct 11, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- DO
Reported taxonomies and licenses
207R00000X · Primary
License reported: 5101010337 MI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1200 W North Down River Rd Ste CGrayling, MI 49738-8024
- Phone
- (989) 344-5910
- Fax
- (231) 935-3463
Mailing address
1200 W NORTH DOWN RIVER RD STE CGRAYLING, MI 497388024
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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