DR. RALPH DOUGLAS ENSLEY M.D.
NPI 1225082795
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Tulsa, OK
About Dr. Ralph Douglas Ensley M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RALPH DOUGLAS ENSLEY M.D. (NPI 1225082795) is an individual advanced heart failure and transplant cardiology provider in Tulsa, Oklahoma, licensed in Oklahoma (18574) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Hospital Muskogee, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1986).
NPPES Registry Identity
Specialties & Licenses 3
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. Ralph Douglas Ensley 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
6Medicare enrollment records show Ralph Ensley reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 98 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 144 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 1,144 clinicians in this Medicare group
Tulsa, OK 74133
- Reassigned Medicare billing, Oklahoma enrollment
- 43 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Oklahoma enrollment
- 66 clinicians in this Medicare group
Vinita, OK 74301
- Reassigned Medicare billing, Oklahoma enrollment
- 45 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 16
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Francis Hospital Muskogee
Acute Care Hospitals · Muskogee, OKSaint Francis Hospital, Inc
Acute Care Hospitals · Tulsa, OKSaint Francis Hospital South, LLC
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74136 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
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.
TULSA, OK 74136
TULSA, OK 74136
TULSA, OK 74136
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 Ralph Ensley's NPI number?
The NPI number for Ralph Ensley is 1225082795. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Ralph Ensley located?
Ralph Ensley practices at 6151 S Yale Ave Ste 100A, Tulsa, OK 74136. The listed phone number is (918) 494-8500.
What is Ralph Ensley's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.
Is Ralph Ensley enrolled in Medicare?
Yes. Ralph Ensley 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 Ralph Ensley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Ensley reassigns Medicare benefits to 6 organizations: Saint Francis Hospital, Inc. (Tulsa, OK), Laureate Psychiatric Clinic And Hospital Inc (Tulsa, OK), Warren Clinic Inc (Tulsa, OK), Saint Francis Hospital South LLC (Tulsa, OK), Saint Francis Hospital Muskogee Inc (Muskogee, OK) and 1 more organization, listed in the Medicare section above. 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 Ralph Ensley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Ensley accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare and Mending Health list Ralph Ensley 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 Ralph Ensley affiliated with any hospitals?
According to CMS data, Ralph Ensley is affiliated with Saint Francis Hospital Muskogee, Saint Francis Hospital, Inc and Saint Francis Hospital South, LLC.
When was this NPI record last updated?
The NPPES record for Ralph Ensley was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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. Ralph Douglas Ensley, M.D. · NPI 1225082795
Advanced Heart Failure and Transplant Cardiology physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since May 20, 2006.
## Identity
- **NPI:** 1225082795 (Entity type: Individual)
- **Enumerated:** May 20, 2006
- **Primary specialty:** Internal Medicine - Advanced Heart Failure and Transplant Cardiology · taxonomy 207RA0001X
- **State license:** 18574 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 6151 S YALE AVE STE 100A, Tulsa, OK 74136-1929
- **Phone:** (918) 494-8500 · **Fax:** (918) 307-5578
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Saint Francis Hospital, Inc. (NPI 1144228487, Tulsa, OK); Laureate Psychiatric Clinic And Hospital Inc (NPI 1710985064, Tulsa, OK); Warren Clinic Inc (NPI 1174582282, Tulsa, OK); Saint Francis Hospital South LLC (NPI 1376561944, Tulsa, OK); Saint Francis Hospital Muskogee Inc (NPI 1386188837, Muskogee, OK); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1986
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 100 160 890 A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1225082795) · Data from the CMS NPPES public registry.