STEVEN MARK HARSHA MD
NPI 1689297244
Internal Medicine in Oklahoma City, OK
About Steven Mark Harsha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN MARK HARSHA MD (NPI 1689297244) is an individual internal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (36054) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and maintains a secondary practice location in Oklahoma City.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Steven Mark Harsha 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 Reassignment
Medicare enrollment records show Steven Harsha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 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 8
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.
O U Medical Center
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73104 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
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 Steven Harsha's NPI number?
The NPI number for Steven Harsha is 1689297244. It was assigned to this individual provider in the NPPES registry on May 18, 2020.
Where is Steven Harsha located?
Steven Harsha practices at 1000 NE 13th St Ste 1G, Oklahoma City, OK 73104. The listed phone number is (405) 271-3445.
What is Steven Harsha's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Harsha enrolled in Medicare?
Yes. Steven Harsha 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 organization bills Medicare for Steven Harsha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Harsha reassigns Medicare benefits to Ou Health Partners, Inc (Oklahoma City, OK). The 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 Steven Harsha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Harsha accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Steven Harsha 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 Steven Harsha affiliated with any hospitals?
According to CMS data, Steven Harsha is affiliated with O U Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Harsha was last updated on August 10, 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.
# Steven Mark Harsha, MD · NPI 1689297244
Internal Medicine physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since May 18, 2020.
## Identity
- **NPI:** 1689297244 (Entity type: Individual)
- **Enumerated:** May 18, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 36054 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 NE 13TH ST STE 1G, Oklahoma City, OK 73104-5040
- **Phone:** (405) 271-3445 · **Fax:** (405) 271-3401
## 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:** Ou Health Partners, Inc (NPI 1528642642, Oklahoma City, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** August 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1689297244) · Data from the CMS NPPES public registry.