Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MAMEYAN DONZO MD
NPI 1548721756
Internal Medicine in Dixon, IL

Active since March 29, 2019PECOS EnrolledAccepts Medicare Assignment
403 E 1ST ST, DIXON, IL 61021(815) 285-5629(815) 285-5634 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 1, 2026, Dec 8, 2025, May 30, 2023 (3 updates tracked since 2023).

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

NPI1548721756
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MAMEYAN DONZOCredential: MD
Location Address403 E 1ST STDixon, IL 61021-3116
Mailing Address9050 Cypress Green Dr Ste 104Jacksonville, FL 32256-5517 · (904) 486-2055 · Fax (904) 486-2055
Fax(815) 285-5634
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 29, 2019
Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1548721756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036162923✔ Licensed in FL · ME159277
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License ME159277 (FL)
403 E 1ST ST, Dixon, IL 61021

Secondary Practice Locations 2

Location 19050 Cypress Green Dr Ste 104Jacksonville, FL 32256-5517 · Phone (904) 486-2055 · Fax (904) 486-2055
Location 2820 Prudential Dr Ste 304Jacksonville, FL 32207-8205 · Phone (904) 202-3860 · Fax (904) 202-3846

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID2769851237
PECOS Enrollment IDI20221206002148, I20240321002457, I20241024004238
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
112 services55 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
89 services88 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
71 services36 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
36 services36 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
29 services29 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
17 services17 patients

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, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100001
Location655 W 8th StJacksonville, FL 32209 · Duval County
Emergency services Birthing friendly

Baptist Medical Center - Nassau

Acute Care Hospitals · Fernandina Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100140
Location1250 S 18th StFernandina Beach, FL 32034 · Nassau County
Emergency services

Hca Florida Gulf Coast Hospital

Acute Care Hospitals · Panama City, FL
3/5 CMS rating
OwnershipProprietary
CMS Certification Number100242
Location449 W 23rd StPanama City, FL 32405 · Bay County
Emergency services Birthing friendly

Wynn Hospital

Acute Care Hospitals · Utica, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330044
Location111 Hospital DriveUtica, NY 13502 · Oneida County
Emergency services Birthing friendly

Physician 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.

New Patient
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
403 E 1ST ST
DIXON, IL 61021
Psychiatric Unit
403 E 1ST ST
DIXON, IL 61021
Obstetrics & Gynecology
403 E 1ST ST
DIXON, IL 61021
Emergency Medicine
403 E 1ST ST
DIXON, IL 61021
Physical Therapist
403 E 1ST ST
DIXON, IL 61021
Internal Medicine
403 E 1ST ST
DIXON, IL 61021
Nurse Practitioner (Family)
403 E 1ST ST
DIXON, IL 61021
Nurse Practitioner (Family)
403 E 1ST ST
DIXON, IL 61021

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.

What insurance does Mameyan Donzo accept?

Health plans from AvMed, 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 34 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.