MARK F. YOUNG (M.D.) – Gastroenterology Physician, NPI 1568466969
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in TN
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Provider Addresses for MARK F. YOUNG (M.D.)
North State of Franklin Road, The Y, Johnson City, Washington County, Tennessee, 37604, United States
STE 202
JOHNSON CITY, TN 376046063
Phone: (423) 929-7111
Fax: (423) 929-9448
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 143 Open Payments records for all available years, with a total value of $2,276.
Total Amount is formed as General ($2,276) + Research ($0) + Ownership ($0) = $2,276.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: ABBVIE INC. ($1,259).
Total Amount
$2,276
General + Research + Ownership
Payments
143
Total payment records
General Amount
$2,276
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,259 |
| Janssen Biotech, Inc. | $149 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $131 |
| E.R. Squibb & Sons, L.L.C. | $125 |
| PFIZER INC. | $117 |
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: 2004-08-23
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 |
|---|---|---|---|---|
| I20040823001331 | I | Gastroenterology | TN | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 126 | 126 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 122 | 98 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 115 | 97 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 97 | 94 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 94 | 94 | $0 |
Insurance plans in this area (ZIP 37604)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| Physician Assistant | GA | |
| Physician Assistant | NC | |
| Nurse Practitioner | TN | |
| Internal Medicine, Gastroenterology | TN | |
| Physician Assistant | VA | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| Internal Medicine, Gastroenterology | TN | |
| Nurse Practitioner | TN |
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