DR. MAMEYAN DONZO MD
NPI 1548721756
Internal Medicine in Dixon, IL
About Dr. Mameyan Donzo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAMEYAN DONZO MD (NPI 1548721756) is an individual internal medicine provider in Dixon, Illinois, licensed in Illinois (036162923) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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. Mameyan Donzo 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
11Medicare enrollment records show Mameyan Donzo reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 284 clinicians in this Medicare group
Utica, NY 13502
- Reassigned Medicare billing, New York enrollment
- 304 clinicians in this Medicare group
Jacksonville, FL 32209
- Reassigned Medicare billing, Florida enrollment
- 440 clinicians in this Medicare group
Jacksonville, FL 32256
- Reassigned Medicare billing, Florida and Illinois enrollments
Palm Coast, FL 32164
- Reassigned Medicare billing, Florida enrollment
- 300 clinicians in this Medicare group
Fort Lauderdale, FL 33308
- Reassigned Medicare billing, Florida enrollment
- 197 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 861 clinicians in this Medicare group
Scottsdale, AZ 85254
- Reassigned Medicare billing, Pennsylvania enrollment
- 383 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Shands Jacksonville
Acute Care Hospitals · Jacksonville, FLBaptist Medical Center - Nassau
Acute Care Hospitals · Fernandina Beach, FLHca Florida Gulf Coast Hospital
Acute Care Hospitals · Panama City, FLWynn Hospital
Acute Care Hospitals · Utica, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61021 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 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 Mameyan Donzo's NPI number?
The NPI number for Mameyan Donzo is 1548721756. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Mameyan Donzo located?
Mameyan Donzo practices at 403 E 1st St, Dixon, IL 61021. The listed phone number is (815) 285-5629.
What is Mameyan Donzo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mameyan Donzo enrolled in Medicare?
Yes. Mameyan Donzo 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 Mameyan Donzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mameyan Donzo reassigns Medicare benefits to 11 organizations: Osf Multi-Specialty Group (Peoria, IL), St. Mary's Hospital, Centralia, Illinois (Centralia, IL), Good Samaritan Regional Health Center (Mount Vernon, IL), New York Medical Physician Associates PC (Utica, NY), Cogent Healthcare Of Jacksonville, LLC (Jacksonville, FL) and 6 more organizations, listed in the Medicare section above. 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 Mameyan Donzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mameyan Donzo accept?
Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Molina Healthcare and Oscar Health Maintenance Organization of Florida list Mameyan Donzo 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 Mameyan Donzo affiliated with any hospitals?
According to CMS data, Mameyan Donzo is affiliated with Shands Jacksonville, Baptist Medical Center - Nassau, Hca Florida Gulf Coast Hospital and Wynn Hospital.
When was this NPI record last updated?
The NPPES record for Mameyan Donzo was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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. Mameyan Donzo, MD · NPI 1548721756
Internal Medicine physician in Dixon, Illinois. Individual provider, active in the CMS NPPES registry since March 29, 2019.
## Identity
- **NPI:** 1548721756 (Entity type: Individual)
- **Enumerated:** March 29, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036162923 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 403 E 1ST ST, Dixon, IL 61021-3116
- **Phone:** (815) 285-5629 · **Fax:** (815) 285-5634
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL); St. Mary's Hospital, Centralia, Illinois (NPI 1477097871, Centralia, IL); Good Samaritan Regional Health Center (NPI 1134457955, Mount Vernon, IL); New York Medical Physician Associates PC (NPI 1619722147, Utica, NY); Cogent Healthcare Of Jacksonville, LLC (NPI 1124252333, Jacksonville, FL); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548721756) · Data from the CMS NPPES public registry.