DR. GEORGE JOSEPH GERMANOS MD, MPH
NPI 1144858390
Internal Medicine in Austin, TX
About Dr. George Joseph Germanos Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEORGE JOSEPH GERMANOS MD, MPH (NPI 1144858390) is an individual internal medicine provider in Austin, Texas, licensed in Texas (U5968) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Dr. George Joseph Germanos Md, Mph 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 George Germanos reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 828 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Midland, TX 79701
- Reassigned Medicare billing, Texas enrollment
- 56 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Oklahoma City, OK 73134
- Reassigned Medicare billing, Oklahoma enrollment
- 1,058 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 300 clinicians in this Medicare group
Terre Haute, IN 47802
- Reassigned Medicare billing, Indiana enrollment
- 228 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 3,056 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Jane Phillips
Acute Care Hospitals · Bartlesville, OKAscension St John Medical Center
Acute Care Hospitals · Tulsa, OKCovenant Medical Center
Acute Care Hospitals · Lubbock, TXAscension Seton Medical Center Austin
Acute Care Hospitals · Austin, TXDell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78705 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.
AUSTIN, TX 78705
AUSTIN, TX 78705
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 George Germanos's NPI number?
The NPI number for George Germanos is 1144858390. It was assigned to this individual provider in the NPPES registry on March 31, 2020.
Where is George Germanos located?
George Germanos practices at 1201 W 38th St, Austin, TX 78705. The listed phone number is (512) 324-1000.
What is George Germanos's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is George Germanos enrolled in Medicare?
Yes. George Germanos 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 George Germanos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Germanos reassigns Medicare benefits to 9 organizations: Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Mmh Physicians (Midland, TX), Concord Medical Group PLLC (Lubbock, TX), Mercy Clinic Oklahoma Communities (Oklahoma City, OK) 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 George Germanos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Germanos accept?
Health plans from Antidote Health Plan of Arizona, Inc., Avera Health Plans, Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list George Germanos 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 George Germanos affiliated with any hospitals?
According to CMS data, George Germanos is affiliated with Ascension St John Jane Phillips, Ascension St John Medical Center, Covenant Medical Center, Ascension Seton Medical Center Austin and Dell Seton Med Center At The University Of Tx.
When was this NPI record last updated?
The NPPES record for George Germanos was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. George Joseph Germanos, MD, MPH · NPI 1144858390
Internal Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1144858390 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** U5968 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1201 W 38TH ST, Austin, TX 78705-1006
- **Phone:** (512) 324-1000
## 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): Usacs Integrated Acute Care Services Of Texas, PLLC (NPI 1801300322, Cedar Park, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Mmh Physicians (NPI 1851764963, Midland, TX); Concord Medical Group PLLC (NPI 1083630610, Lubbock, TX); Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** April 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144858390) · Data from the CMS NPPES public registry.