MARK A BLACK M.D.
NPI 1598939340
Emergency Medicine in Oklahoma City, OK
About Mark A Black M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A BLACK M.D. (NPI 1598939340) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Florida (ME-124249) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Hays Medical Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 3
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
Mark A Black 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
3Medicare enrollment records show Mark Black reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Derby, KS 67037
- Reassigned Medicare billing, Kansas enrollment
- 32 clinicians in this Medicare group
Hutchinson, KS 67502
- Reassigned Medicare billing, Kansas enrollment
- 47 clinicians in this Medicare group
Emporia, KS 66801
- Reassigned Medicare billing, Kansas enrollment
- 126 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.
Hays Medical Center
Acute Care Hospitals · Hays, KSNmc Health
Acute Care Hospitals · Newton, KSNewman Regional Health
Critical Access Hospitals · Emporia, KSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73117 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73117
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 Mark Black's NPI number?
The NPI number for Mark Black is 1598939340. It was assigned to this individual provider in the NPPES registry on April 14, 2008.
Where is Mark Black located?
Mark Black practices at 1122 NE 13th St # 1200, Oklahoma City, OK 73117. The listed phone number is (405) 271-8558.
What is Mark Black's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Black enrolled in Medicare?
Yes. Mark 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 Mark Black's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Black reassigns Medicare benefits to 3 organizations: Rock Regional Hospital, LLC (Derby, KS), Vep Hutchinson Emergency Medical Group, LLC (Hutchinson, KS) and Newman Memorial County Hospital (Emporia, KS). 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 Mark Black's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Black accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Mark 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 Mark Black affiliated with any hospitals?
According to CMS data, Mark Black is affiliated with Hays Medical Center, Nmc Health and Newman Regional Health.
When was this NPI record last updated?
The NPPES record for Mark Black was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mark A Black, M.D. · NPI 1598939340
Emergency Medicine physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since April 14, 2008.
## Identity
- **NPI:** 1598939340 (Entity type: Individual)
- **Enumerated:** April 14, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** ME-124249 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1122 NE 13TH ST # 1200, Oklahoma City, OK 73117-1039
- **Phone:** (405) 271-8558
## 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): Rock Regional Hospital, LLC (NPI 1598641219, Derby, KS); Vep Hutchinson Emergency Medical Group, LLC (NPI 1669879110, Hutchinson, KS); Newman Memorial County Hospital (NPI 1922306729, Emporia, KS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** August 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1598939340) · Data from the CMS NPPES public registry.