GARY A BUFFINGTON (MD) – Internal Medicine Physician, NPI 1922009802
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for GARY A BUFFINGTON (MD)
Maryland Way, Williamsburg Estates, Brentwood, Williamson County, Tennessee, 37027, United States
SUITE 300
BRENTWOOD, TN 370275064
Phone: (615) 371-5765
Fax: (888) 241-1404
Type: Mailing
Benefis East, 1101, 26th Street South, Great Falls, Cascade County, Montana, 59405, United States
GREAT FALLS, MT 594055161
Phone: (406) 455-4690
Fax: (406) 455-4752
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-06-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180614000096 | I | Internal Medicine | AZ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 56 | 21 | $0 |
Insurance plans in this area (ZIP 37027)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | AZ | |
| Internal Medicine | CA | |
| Physician Assistant | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Physician Assistant | AZ | |
| Radiation Oncology | CA | |
| P A T H O L O G Y | UT | |
| P A T H O L O G Y | IL | |
| Medical Oncology | OH |
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