MARIO ALEJANDRO MACIAS II DO
NPI 1174881601
Obstetrics & Gynecology in Osage Beach, MO
About Mario Alejandro Macias Ii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIO ALEJANDRO MACIAS II DO (NPI 1174881601) is an individual obstetrics & gynecology provider in Osage Beach, Missouri, licensed in Missouri (2021012099) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Edward Via Col Of Osteo Medicine-virginia Campus (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Group Practice 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
Mario Alejandro Macias Ii Do 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
3Medicare enrollment records show Mario Macias reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Ozark, MO 65049
- Reassigned Medicare billing, Missouri enrollment
- 78 clinicians in this Medicare group
Richland, MO 65556
- Reassigned Medicare billing, Missouri enrollment
- 1,487 clinicians in this Medicare group
Springfield, MO 65802
- Reassigned Medicare billing, Missouri enrollment
- 41 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 65065 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.
OSAGE BEACH, MO 65065
OSAGE BEACH, MO 65065
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 Mario Macias's NPI number?
The NPI number for Mario Macias is 1174881601. It was assigned to this individual provider in the NPPES registry on May 3, 2012.
Where is Mario Macias located?
Mario Macias practices at 3870 Columbia Ave, Osage Beach, MO 65065. The listed phone number is (877) 406-2662.
What is Mario Macias's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mario Macias enrolled in Medicare?
Yes. Mario Macias 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 Mario Macias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Macias reassigns Medicare benefits to 3 organizations: Richland Medical Center, Inc. (Lake Ozark, MO), Mercy Clinic Springfield Communities (Richland, MO) and Obhg Missouri, PC (Springfield, MO). 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 Mario Macias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mario Macias accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 6 other insurers list Mario Macias 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 Mario Macias was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.
# Mario Alejandro Macias II, DO · NPI 1174881601
Obstetrics & Gynecology physician in Osage Beach, Missouri. Individual provider, active in the CMS NPPES registry since May 3, 2012.
## Identity
- **NPI:** 1174881601 (Entity type: Individual)
- **Enumerated:** May 3, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2021012099 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3870 COLUMBIA AVE, Osage Beach, MO 65065-8689
- **Phone:** (877) 406-2662
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Richland Medical Center, Inc. (NPI 1710485024, Lake Ozark, MO); Mercy Clinic Springfield Communities (NPI 1972635639, Richland, MO); Obhg Missouri, PC (NPI 1154672095, Springfield, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Edward Via Col Of Osteo Medicine-Virginia Campus, class of 2012
## Record status
- **NPPES last updated:** September 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174881601) · Data from the CMS NPPES public registry.