PHILIP D WITKOP MD
NPI 1770550782
Family Medicine in Atlantic, IA
About Philip D Witkop Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHILIP D WITKOP MD (NPI 1770550782) is an individual family medicine provider in Atlantic, Iowa, licensed in Iowa (49469) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Carlinville Area Hospital, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Philip D Witkop Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Philip Witkop reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Galesburg, IL 61401
- Reassigned Medicare billing, Illinois enrollment
- 36 clinicians in this Medicare group
Springfield, IL 62781
- Reassigned Medicare billing, Illinois enrollment
- 141 clinicians in this Medicare group
Virden, IL 62690
- Reassigned Medicare billing, Illinois enrollment
- 78 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Newton, IL 62448
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1265493720 (Illinois)
- 145 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carlinville Area Hospital
Critical Access Hospitals · Carlinville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Philip Witkop's NPI number?
The NPI number for Philip Witkop is 1770550782. It was assigned to this individual provider in the NPPES registry on March 8, 2006.
Where is Philip Witkop located?
Philip Witkop practices at 1300 E 19th St, Atlantic, IA 50022. The listed phone number is (319) 666-4224.
What is Philip Witkop's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Philip Witkop enrolled in Medicare?
Yes. Philip Witkop is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Philip Witkop's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Witkop reassigns Medicare benefits to 5 organizations: Sanburg Emergency Group, P.C. (Galesburg, IL), Midwest Emergency Department Specialists Ltd (Springfield, IL), Carlinville Area Hospital Association (Virden, IL), Alton-Griffin Emergency Group PC (Alton, IL) and Crawford Hospital District (Newton, IL). 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 Philip Witkop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Philip Witkop affiliated with any hospitals?
According to CMS data, Philip Witkop is affiliated with Carlinville Area Hospital.
When was this NPI record last updated?
The NPPES record for Philip Witkop was last updated on April 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.