MERIN JOHN MD
NPI 1770224149
Family Medicine in Tulsa, OK
About Merin John Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERIN JOHN MD (NPI 1770224149) is an individual family medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (39616) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
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
Merin John 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 Merin John reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcalester, OK 74501
- Reassigned Medicare billing, Oklahoma enrollment
- 82 clinicians in this Medicare group
Waco, TX 76707
- Reassigned Medicare billing, Texas enrollment
- 166 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.
Physician 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.
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
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 Merin John's NPI number?
The NPI number for Merin John is 1770224149. It was assigned to this individual provider in the NPPES registry on April 7, 2022.
Where is Merin John located?
Merin John practices at 7501 Riverside Pkwy, Tulsa, OK 74136. The listed phone number is (918) 710-4200.
What is Merin John's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Merin John enrolled in Medicare?
Yes. Merin John 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 Merin John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Merin John reassigns Medicare benefits to 2 organizations: Hospital Care Consultants, Inc (Mcalester, OK) and Heart Of Texas Community Health Center Inc (Waco, 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 Merin John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Merin John accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Merin John 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.
When was this NPI record last updated?
The NPPES record for Merin John was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Merin John, MD · NPI 1770224149
Family Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 7, 2022.
## Identity
- **NPI:** 1770224149 (Entity type: Individual)
- **Enumerated:** April 7, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 39616 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 7501 RIVERSIDE PKWY, Tulsa, OK 74136-5056
- **Phone:** (918) 710-4200
## 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): Hospital Care Consultants, Inc (NPI 1912945635, Mcalester, OK); Heart Of Texas Community Health Center Inc (NPI 1568191492, Waco, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770224149) · Data from the CMS NPPES public registry.