DR. STEPHEN JOHN KARMAN MD
NPI 1255393476
Internal Medicine in Idabel, OK
About Dr. Stephen John Karman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN JOHN KARMAN MD (NPI 1255393476) is an individual internal medicine provider in Idabel, Oklahoma, licensed in Oklahoma (34636) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Jfk Hospital, and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Stephen John Karman 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
2Medicare enrollment records show Stephen Karman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wellington, FL 33414
- Reassigned Medicare billing, Florida enrollment
- 265 clinicians in this Medicare group
Delray Beach, FL 33484
- Reassigned Medicare billing, Florida enrollment
- 140 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Jfk Hospital
Acute Care Hospitals · Atlantis, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74745 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.
IDABEL, OK 74745
IDABEL, OK 74745
IDABEL, OK 74745
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 Stephen Karman's NPI number?
The NPI number for Stephen Karman is 1255393476. It was assigned to this individual provider in the NPPES registry on April 4, 2006.
Where is Stephen Karman located?
Stephen Karman practices at 1301 E Lincoln Rd, Idabel, OK 74745. The listed phone number is (580) 286-7623.
What is Stephen Karman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen Karman enrolled in Medicare?
Yes. Stephen Karman 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 Stephen Karman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Karman reassigns Medicare benefits to 2 organizations: Accountable Care Hospitalist Group (Wellington, FL) and Northeast Florida Hospitalists Inc (Delray Beach, 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 Stephen Karman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Karman accept?
Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Stephen Karman 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 Stephen Karman affiliated with any hospitals?
According to CMS data, Stephen Karman is affiliated with Hca Florida Jfk Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Karman was last updated on July 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Stephen John Karman, MD · NPI 1255393476
Internal Medicine physician in Idabel, Oklahoma. Individual provider, active in the CMS NPPES registry since April 4, 2006.
## Identity
- **NPI:** 1255393476 (Entity type: Individual)
- **Enumerated:** April 4, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 34636 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1301 E LINCOLN RD, Idabel, OK 74745-7300
- **Phone:** (580) 286-7623 · **Fax:** (580) 208-3199
## 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): Accountable Care Hospitalist Group (NPI 1659640282, Wellington, FL); Northeast Florida Hospitalists Inc (NPI 1013036219, Delray Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 12, 2019
- **Other identifiers:** Other 51881 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1255393476) · Data from the CMS NPPES public registry.