DR. MEGAN ANN TIERNEY (DO) – Internal Medicine Physician, NPI 1679061840
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,228 INTERNAL MEDICINE in MS
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Provider Addresses for DR. MEGAN ANN TIERNEY (DO)
University of Mississippi Medical Center, 2500, North State Street, Woodland Hills, Jackson, Hinds County, Mississippi, 39216, United States
JACKSON, MS 392164500
Phone: (601) 984-5604
Fax: (601) 984-6665
Type: Mailing
712 SHERWOOD DR
JACKSON, MS 392163303
Phone: (678) 231-3147
Type: Mailing
1700 CRESCENT MEADOWS DR
HOLLY SPRINGS, MS 386357417
Phone: (662) 252-2552
Type: Location
3180 N POINT PKWY STE 303
ALPHARETTA, GA 300054522
Phone: (678) 205-9004
Fax: (678) 205-9005
Type: Mailing
1100 BELK BLVD
OXFORD, MS 386555242
Phone: (662) 636-1000
Type: Mailing
1240 JESSE JEWELL PKWY SE STE 500
GAINESVILLE, GA 305013861
Phone: (770) 536-9864
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: 2023-12-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20211029000394 | I | Internal Medicine | MS | TBD |
| I20231205000237 | I | Internal Medicine | GA | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 450 | 234 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 218 | 214 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 178 | 112 | $0 |
| 99291 | Critical care, first 30-74 minutes | 68 | 48 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $0 |
Insurance plans in this area (ZIP 39216)
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