IRINA KOSTOVA DIMITROVA M.D.
NPI 1003847237
Obstetrics & Gynecology in Milwaukee, WI
About Irina Kostova Dimitrova M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRINA KOSTOVA DIMITROVA M.D. (NPI 1003847237) is an individual obstetrics & gynecology provider in Milwaukee, Wisconsin, licensed in Illinois (036145323) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 5
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
Irina Kostova Dimitrova 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
9Medicare enrollment records show Irina Dimitrova reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Des Plaines, IL 60016
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 59 clinicians in this Medicare group
Flint, MI 48502
- Reassigned Medicare billing, Michigan enrollment
- 103 clinicians in this Medicare group
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1790856235 (Michigan)
- 1,886 clinicians in this Medicare group
Sandy, OR 97055
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILAscension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53211 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.
MILWAUKEE, WI 53211
MILWAUKEE, WI 53211
MILWAUKEE, WI 53211
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 Irina Dimitrova's NPI number?
The NPI number for Irina Dimitrova is 1003847237. It was assigned to this individual provider in the NPPES registry on July 5, 2006.
Where is Irina Dimitrova located?
Irina Dimitrova practices at 2350 N Lake Dr, Milwaukee, WI 53211. The listed phone number is (414) 585-1949.
What is Irina Dimitrova's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Irina Dimitrova enrolled in Medicare?
Yes. Irina Dimitrova 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 Irina Dimitrova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irina Dimitrova reassigns Medicare benefits to 9 organizations: Columbia St. Mary's Hospital Milwaukee, Inc (Milwaukee, WI), Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI), Mount Sinai Community Foundation (Des Plaines, IL), Rockford Health Physicians (Rockford, IL), W.A. Foote Memorial Hospital (Jackson, MI) and 4 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 Irina Dimitrova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irina Dimitrova accept?
Health plans from Providence Health Plan list Irina Dimitrova 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 Irina Dimitrova affiliated with any hospitals?
According to CMS data, Irina Dimitrova is affiliated with Mt Sinai Hospital Medical Center, Ascension Columbia St Mary's Hospital Milwaukee and Ascension All Saints Hospital.
When was this NPI record last updated?
The NPPES record for Irina Dimitrova was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Irina Kostova Dimitrova, M.D. · NPI 1003847237
Obstetrics & Gynecology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1003847237 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036145323 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2350 N LAKE DR, Milwaukee, WI 53211-4528
- **Phone:** (414) 585-1949
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Columbia St. Mary's Hospital Milwaukee, Inc (NPI 1023064482, Milwaukee, WI); Ascension Medical Group-Southeast Wisconsin Inc (NPI 1194473066, Milwaukee, WI); Mount Sinai Community Foundation (NPI 1134164841, Des Plaines, IL); Rockford Health Physicians (NPI 1043242886, Rockford, IL); W.A. Foote Memorial Hospital (NPI 1114464377, Jackson, MI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** April 30, 2026
- **Other identifiers:** Medicaid 06728766 (CO); Medicaid 1003847237 (WA); Medicaid 036145323 (IL); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1003847237) · Data from the CMS NPPES public registry.