DR. NEIL CURTIS DUNAVIN M.D.
NPI 1578798369
Internal Medicine - Hematology in Zion, IL
About Dr. Neil Curtis Dunavin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NEIL CURTIS DUNAVIN M.D. (NPI 1578798369) is an individual hematology provider in Zion, Illinois, licensed in Illinois (036.176509) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Midwestern Region Med Center, Inc, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Neil Curtis Dunavin M.d. 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 Neil Dunavin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Zion, IL 60099
- Reassigned Medicare billing, Illinois enrollment
- 253 clinicians in this Medicare group
Chicago, IL 60622
- Reassigned Medicare billing, Illinois enrollment
- 154 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 6
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.
Midwestern Region Med Center, Inc
Acute Care Hospitals · Zion, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60099 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
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.
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 Neil Dunavin's NPI number?
The NPI number for Neil Dunavin is 1578798369. It was assigned to this individual provider in the NPPES registry on May 21, 2009.
Where is Neil Dunavin located?
Neil Dunavin practices at 2520 Elisha Ave, Zion, IL 60099. The listed phone number is (888) 828-4888.
What is Neil Dunavin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Neil Dunavin enrolled in Medicare?
Yes. Neil Dunavin 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 Neil Dunavin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Neil Dunavin reassigns Medicare benefits to 5 organizations: City Of Hope Medical Group Of Illinois PLLC (Zion, IL), Humboldt Park Health (Chicago, IL), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Neil Dunavin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Neil Dunavin accept?
Health plans from Network Health list Neil Dunavin 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.
Is Neil Dunavin affiliated with any hospitals?
According to CMS data, Neil Dunavin is affiliated with Midwestern Region Med Center, Inc.
When was this NPI record last updated?
The NPPES record for Neil Dunavin was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Dr. Neil Curtis Dunavin, M.D. · NPI 1578798369
Hematology physician in Zion, Illinois. Individual provider, active in the CMS NPPES registry since May 21, 2009.
## Identity
- **NPI:** 1578798369 (Entity type: Individual)
- **Enumerated:** May 21, 2009
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 036.176509 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2520 ELISHA AVE, Zion, IL 60099-2676
- **Phone:** (888) 828-4888
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): City Of Hope Medical Group Of Illinois PLLC (NPI 1548258072, Zion, IL); Humboldt Park Health (NPI 1740417153, Chicago, IL); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2009
## Record status
- **NPPES last updated:** December 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1578798369) · Data from the CMS NPPES public registry.