GLENNA WONG JOHNSON MD
NPI 1013571256
Family Medicine in Tulsa, OK
About Glenna Wong Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GLENNA WONG JOHNSON MD (NPI 1013571256) is an individual family medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (34716) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and maintains a secondary practice location in Tulsa.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Glenna Wong Johnson 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
5Medicare enrollment records show Glenna Johnson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74126
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Crossover Community Impact Inc
- 8 clinicians in this Medicare group
Tulsa, OK 74106
- Reassigned Medicare billing, Oklahoma enrollment
- 6 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 300 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Oklahoma enrollment
- 284 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillcrest Medical Center
Acute Care Hospitals · Tulsa, OKAscension St John Medical Center
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74126 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.
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 Glenna Johnson's NPI number?
The NPI number for Glenna Johnson is 1013571256. It was assigned to this individual provider in the NPPES registry on April 23, 2019. The provider is also known as Glenna Wong MD.
Where is Glenna Johnson located?
Glenna Johnson practices at 5635 N Mlk Jr Blvd, Tulsa, OK 74126. The listed phone number is (918) 398-9460.
What is Glenna Johnson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Glenna Johnson enrolled in Medicare?
Yes. Glenna Johnson 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 Glenna Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Glenna Johnson reassigns Medicare benefits to 5 organizations: Crossover Health Services Inc (Tulsa, OK), Crossover Health Services Inc (Tulsa, OK), St. John Physicians, Inc. (Tulsa, OK), Usacs Observation Medicine Services Of Oklahoma, LLC (Tulsa, OK) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). 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 Glenna Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Glenna Johnson accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Glenna Johnson 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 Glenna Johnson affiliated with any hospitals?
According to CMS data, Glenna Johnson is affiliated with Hillcrest Medical Center and Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Glenna Johnson was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Glenna Wong Johnson, MD · NPI 1013571256
Family Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 23, 2019.
## Identity
- **NPI:** 1013571256 (Entity type: Individual)
- **Enumerated:** April 23, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 34716 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 5635 N MLK JR BLVD, Tulsa, OK 74126-6409
- **Phone:** (918) 398-9460 · **Fax:** (918) 992-2822
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Crossover Health Services Inc (NPI 1942958111, Tulsa, OK); Crossover Health Services Inc (NPI 1407297963, Tulsa, OK); St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK); Usacs Observation Medicine Services Of Oklahoma, LLC (NPI 1326739111, Tulsa, OK); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** May 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1013571256) · Data from the CMS NPPES public registry.