MLADEN VLADIMIROV GRIGOROV DO
NPI 1336609403
Internal Medicine in Louisville, KY
About Mladen Vladimirov Grigorov Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MLADEN VLADIMIROV GRIGOROV DO (NPI 1336609403) is an individual internal medicine provider in Louisville, Kentucky, licensed in Florida (OS19898) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Adventhealth North Pinellas, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Mladen Vladimirov Grigorov Do 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
3Medicare enrollment records show Mladen Grigorov reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: University Of Louisville Physicians Inc
- 2,337 clinicians in this Medicare group
Louisville, KY 40207
- Reassigned Medicare billing, Kentucky enrollment
- 1,441 clinicians in this Medicare group
Tampa, FL 33613
- Reassigned Medicare billing, Florida enrollment
- 1,719 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 5
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.
Adventhealth North Pinellas
Acute Care Hospitals · Tarpon Springs, FLFlorida Hospital Carrollwood
Acute Care Hospitals · Tampa, FLAdventhealth Tampa
Acute Care Hospitals · Tampa, FLAdventhealth Wesley Chapel
Acute Care Hospitals · Wesley Chapel, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40202 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.
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.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Mladen Grigorov's NPI number?
The NPI number for Mladen Grigorov is 1336609403. It was assigned to this individual provider in the NPPES registry on March 23, 2019.
Where is Mladen Grigorov located?
Mladen Grigorov practices at 530 S Jackson St, Louisville, KY 40202. The listed phone number is (502) 852-5555.
What is Mladen Grigorov's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mladen Grigorov enrolled in Medicare?
Yes. Mladen Grigorov 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 Mladen Grigorov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mladen Grigorov reassigns Medicare benefits to 3 organizations: University Of Louisville Phyisicians, Inc. (Louisville, KY), Baptist Health Medical Group Inc (Louisville, KY) and Florida Hospital Physician Group Inc (Tampa, FL). 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 Mladen Grigorov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mladen Grigorov accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee, Anthem Blue Cross and Blue Shield and CareSource list Mladen Grigorov 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 Mladen Grigorov affiliated with any hospitals?
According to CMS data, Mladen Grigorov is affiliated with Adventhealth North Pinellas, Florida Hospital Carrollwood, Adventhealth Tampa and Adventhealth Wesley Chapel.
When was this NPI record last updated?
The NPPES record for Mladen Grigorov was last updated on July 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Mladen Vladimirov Grigorov, DO · NPI 1336609403
Internal Medicine physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since March 23, 2019.
## Identity
- **NPI:** 1336609403 (Entity type: Individual)
- **Enumerated:** March 23, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS19898 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 530 S JACKSON ST, Louisville, KY 40202-1675
- **Phone:** (502) 852-5555
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Louisville Phyisicians, Inc. (NPI 1336707512, Louisville, KY); Baptist Health Medical Group Inc (NPI 1487984514, Louisville, KY); Florida Hospital Physician Group Inc (NPI 1174955256, Tampa, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 3, 2023
- **Other identifiers:** Medicaid 7100682680 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1336609403) · Data from the CMS NPPES public registry.