DR. CHRISTOPHER F GERLING MD
NPI 1164441861
Internal Medicine in Alpena, MI
About Dr. Christopher F Gerling Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER F GERLING MD (NPI 1164441861) is an individual internal medicine provider in Alpena, Michigan, licensed in Michigan (4301041826) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Christopher F Gerling Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Christopher Gerling reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grayling, MI 49738
- Reassigned Medicare billing, Michigan enrollment
- 596 clinicians in this Medicare group
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 237 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49707 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALPENA, MI 49707
ALPENA, MI 49707
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Christopher Gerling's NPI number?
The NPI number for Christopher Gerling is 1164441861. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Christopher Gerling located?
Christopher Gerling practices at 1501 W Chisholm St, Alpena, MI 49707. The listed phone number is (989) 340-1211.
What is Christopher Gerling's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christopher Gerling enrolled in Medicare?
Yes. Christopher Gerling is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Gerling's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Gerling reassigns Medicare benefits to 2 organizations: Sound Inpatient Physicians-Michigan PLLC (Grayling, MI) and Hospitalist Medicine Physicians Of Michigan, PLLC (Adrian, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Gerling's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Gerling accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Christopher Gerling as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Christopher Gerling was last updated on August 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.