DR. AJANI WAYNE MASON M.D.
NPI 1972921583
Hospitalist in Houston, TX
About Dr. Ajani Wayne Mason M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AJANI WAYNE MASON M.D. (NPI 1972921583) is an individual hospitalist provider in Houston, Texas, licensed in Texas (R2406) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Morehouse General Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Ajani Wayne Mason 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
9Medicare enrollment records show Ajani Mason reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Kansas and Texas enrollments
- 21 clinicians in this Medicare group
Bastrop, LA 71220
- Reassigned Medicare billing, Louisiana enrollment
- 72 clinicians in this Medicare group
Terrytown, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 417 clinicians in this Medicare group
Elkhart, KS 67950
- Reassigned Medicare billing, Kansas enrollment
- Also billed through NPI 1689601007 (Kansas)
- 15 clinicians in this Medicare group
Chillicothe, OH 45601
- Reassigned Medicare billing, Kansas and Texas enrollments
- 21 clinicians in this Medicare group
Madison, WI 53703
- Reassigned Medicare billing, Louisiana and Texas enrollments
- 5 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 6
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.
Morehouse General Hospital
Acute Care Hospitals · Bastrop, LAFreestone Medical Center
Acute Care Hospitals · Fairfield, TXFrio Regional Hospital
Critical Access Hospitals · Pearsall, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 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.
Reported Quality Measures
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 Ajani Mason's NPI number?
The NPI number for Ajani Mason is 1972921583. It was assigned to this individual provider in the NPPES registry on April 1, 2014.
Where is Ajani Mason located?
Ajani Mason practices at 6431 Fannin St Ste Msb 5111, Houston, TX 77030. The listed phone number is (713) 500-6325.
What is Ajani Mason's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ajani Mason enrolled in Medicare?
Yes. Ajani Mason 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 Ajani Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ajani Mason reassigns Medicare benefits to 9 organizations: Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Memorial Hermann Medical Group (Fulshear, TX), Cogent Healthcare Of Texas, PA (Dallas, TX), Emerald Fern Wellness PC (Dallas, TX), Morehouse General Hospital (Bastrop, LA) and 4 more organizations, 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 Ajani Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ajani Mason accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, HMO Louisiana and Molina Healthcare and 1 other insurer list Ajani Mason 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 Ajani Mason affiliated with any hospitals?
According to CMS data, Ajani Mason is affiliated with Morehouse General Hospital, Freestone Medical Center and Frio Regional Hospital.
When was this NPI record last updated?
The NPPES record for Ajani Mason was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Ajani Wayne Mason, M.D. · NPI 1972921583
Hospitalist physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since April 1, 2014.
## Identity
- **NPI:** 1972921583 (Entity type: Individual)
- **Enumerated:** April 1, 2014
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** R2406 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6431 FANNIN ST STE MSB 5111, Houston, TX 77030-1501
- **Phone:** (713) 500-6325
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX); Emerald Fern Wellness PC (NPI 1134012545, Dallas, TX); Morehouse General Hospital (NPI 1003898313, Bastrop, LA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Howard University College Of Medicine, class of 2014
## Record status
- **NPPES last updated:** September 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1972921583) · Data from the CMS NPPES public registry.