KARIN K BLACK D.O.
NPI 1366753584
Family Medicine in Defiance, OH
About Karin K Black D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIN K BLACK D.O. (NPI 1366753584) is an individual family medicine provider in Defiance, Ohio, licensed in Ohio (34011499) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Mercy St Vincent Medical Center, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Karin K Black D.o. 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
2Medicare enrollment records show Karin Black reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Defiance, OH 43512
- Reassigned Medicare billing, Ohio enrollment
- 136 clinicians in this Medicare group
Defiance, OH 43512
- Reassigned Medicare billing, Ohio enrollment
- 152 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.
Mercy St Vincent Medical Center
Acute Care Hospitals · Toledo, OHMercy Health - Defiance Hospital
Acute Care Hospitals · Defiance, OHHenry County Hospital, Inc
Critical Access Hospitals · Napoleon, OHFulton County Health Center
Critical Access Hospitals · Wauseon, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43512 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
DEFIANCE, OH 43512
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 Karin Black's NPI number?
The NPI number for Karin Black is 1366753584. It was assigned to this individual provider in the NPPES registry on June 23, 2010. The provider is also known as Karin A Krouse D.O..
Where is Karin Black located?
Karin Black practices at 1400 E 2nd St, Defiance, OH 43512. The listed phone number is (419) 784-1414.
What is Karin Black's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karin Black enrolled in Medicare?
Yes. Karin Black 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 Karin Black's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karin Black reassigns Medicare benefits to 2 organizations: Mercy Medical Partners Northern Region LLC (Defiance, OH) and Mercy Medical Partners Northern Region Specialty Care LLC (Defiance, OH). 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 Karin Black's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karin Black accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 5 other insurers list Karin Black 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 Karin Black affiliated with any hospitals?
According to CMS data, Karin Black is affiliated with Mercy St Vincent Medical Center, Mercy Health - Defiance Hospital, Henry County Hospital, Inc and Fulton County Health Center.
When was this NPI record last updated?
The NPPES record for Karin Black was last updated on January 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Karin K Black, D.O. · NPI 1366753584
Family Medicine physician in Defiance, Ohio. Individual provider, active in the CMS NPPES registry since June 23, 2010.
## Identity
- **NPI:** 1366753584 (Entity type: Individual)
- **Enumerated:** June 23, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 34011499 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 E 2ND ST, Defiance, OH 43512-2440
- **Phone:** (419) 784-1414
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Medical Partners Northern Region LLC (NPI 1669756532, Defiance, OH); Mercy Medical Partners Northern Region Specialty Care LLC (NPI 1730701749, Defiance, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2010
## Record status
- **NPPES last updated:** January 7, 2015
- **Other identifiers:** Medicaid 0109257 (OH); Medicare PIN H089560 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1366753584) · Data from the CMS NPPES public registry.