ZELJKO M IVANOVIC (MD) – Psychiatry Physician, NPI 1083669378

ZELJKO M IVANOVIC (MD) is a healthcare provider. based in Fort collins, Colorado. specializing in Psychiatry Physician. They hold the professional credentials MD. They hold a License No. DR.0050477 (CO). The NPI Number for ZELJKO M IVANOVIC (MD) is 1083669378

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
ZELJKO M IVANOVIC (MD)
NPI
1083669378
Phone
(970) 494-4200
Address
4856 Innovation Dr
Enumeration Date
24 May 2006
Last Update Date
23 October 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9704944200
Graduation Year
1992 (34 years ago)
PAC ID
5294709556
Group Practice PAC ID
4284527144
Professional Enrollment ID
I20120611000259
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for ZELJKO M IVANOVIC (MD)

  • 4856 Innovation Dr

    Fort Collins, CO 805255539

    Phone: (970) 494-4200

    Fax: (844) 270-1824

    Type: Location

  • 120, Bristlecone Drive, Fort Collins, Larimer County, Colorado, 80524, United States

    FORT COLLINS, CO 805242031

    Phone: (970) 224-5209

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-06-11

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20120611000259IPsychiatryCOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80525)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4284527144View full group profile
NameSpecialtyState
P S Y C H I A T R YCT
-CO
-CO
Mental Health CounselorCO
Clinical Social WorkerCO
Mental Health CounselorCO
P S Y C H I A T R YCO
Family PracticeCO
Mental Health CounselorCO
Clinical Social WorkerCO

Reviews

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Frequently asked questions

What is the standard ID for ZELJKO M IVANOVIC (MD) in the U.S.?
In the U.S., ZELJKO M IVANOVIC (MD) is identified by NPI 1083669378.
Should I treat ZELJKO M IVANOVIC (MD) as an active provider?
Patients and plans typically see ZELJKO M IVANOVIC (MD) as active in the national extract.
Which specialty label fits ZELJKO M IVANOVIC (MD)?
NPPES ties ZELJKO M IVANOVIC (MD) to Psychiatry Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to ZELJKO M IVANOVIC (MD)?
ZELJKO M IVANOVIC (MD) shows a connection to Fort Collins, Colorado in registry-derived data.
Who maintains ZELJKO M IVANOVIC (MD)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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