DOUGLAS KREJSA MD
NPI 1104993633
Emergency Medicine in Fairfield, OH
About Douglas Krejsa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS KREJSA MD (NPI 1104993633) is an individual emergency medicine provider in Fairfield, Ohio, licensed in Ohio (35-071747) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with The Jewish Hospital-mercy Health, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Douglas Krejsa 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.
Medicare Billing Reassignments
3Medicare enrollment records show Douglas Krejsa reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cincinnati, OH 45211
- Reassigned Medicare billing, Ohio enrollment
- 166 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
Toledo, OH 43608
- Reassigned Medicare billing, Ohio enrollment
- 277 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Jewish Hospital-Mercy Health
Acute Care Hospitals · Cincinnati, OHMercy Health - West Hospital
Acute Care Hospitals · Cincinnati, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45014 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.
FAIRFIELD, OH 45014
FAIRFIELD, OH 45014
FARFIELD, OH 45014
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 Douglas Krejsa's NPI number?
The NPI number for Douglas Krejsa is 1104993633. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Douglas Krejsa located?
Douglas Krejsa practices at 3000 Mack Rd, Fairfield, OH 45014. The listed phone number is (513) 870-7001.
What is Douglas Krejsa's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Douglas Krejsa enrolled in Medicare?
Yes. Douglas Krejsa 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 Douglas Krejsa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Krejsa reassigns Medicare benefits to 3 organizations: Emergency Medicine Physicians Of Cincinnati, Ltd. (Cincinnati, OH), Ohio Emergency Professionals Inc (Columbus, OH) and Mercy Emergency Care Services, Inc. (Toledo, 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 Douglas Krejsa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Douglas Krejsa affiliated with any hospitals?
According to CMS data, Douglas Krejsa is affiliated with The Jewish Hospital-Mercy Health and Mercy Health - West Hospital.
When was this NPI record last updated?
The NPPES record for Douglas Krejsa was last updated on December 24, 2014. 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.
# Douglas Krejsa, MD · NPI 1104993633
Emergency Medicine physician in Fairfield, Ohio. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1104993633 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35-071747 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 3000 MACK RD, Fairfield, OH 45014-5335
- **Phone:** (513) 870-7001 · **Fax:** (937) 619-4150
## 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): Emergency Medicine Physicians Of Cincinnati, Ltd. (NPI 1922483213, Cincinnati, OH); Ohio Emergency Professionals Inc (NPI 1982983425, Columbus, OH); Mercy Emergency Care Services, Inc. (NPI 1477957819, Toledo, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 1993
## Record status
- **NPPES last updated:** December 24, 2014
- **Other identifiers:** Medicare ID-Type Unspecified KR0844052 (OH); Medicare UPIN G65569 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1104993633) · Data from the CMS NPPES public registry.