TANDER LEE SIMBERLOFF (MD) – Internal Medicine Physician, NPI 1083243083
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,527 INTERNAL MEDICINE in TN
Provider Addresses for TANDER LEE SIMBERLOFF (MD)
3 PROFESSIONAL PARK DR STE 31
JOHNSON CITY, TN 376046529
Phone: (423) 424-3570
Fax: (423) 631-0544
Type: Location
2202 N John B Dennis Hwy Ste 110
Kingsport, TN 376605904
Phone: (423) 578-8400
Type: Location
4 Sheridan Sq Ste 200
Kingsport, TN 376607435
Phone: (423) 246-7931
Type: Location
325 N State Of Franklin Rd Fl 2
Johnson City, TN 376046092
Phone: (423) 433-6757
Type: Location
1 Medical Park Blvd Ste 210E
Bristol, TN 376207468
Phone: (423) 844-5500
Type: Location
PO BOX 100265
GAINESVILLE, FL 326100265
Phone: (352) 265-0239
Fax: (352) 265-1107
Type: Mailing
1600 SW ARCHER RD STE 4102
GAINESVILLE, FL 326103003
Phone: (352) 265-0239
Fax: (352) 265-1107
Type: Location
400 N State Of Franklin Rd
Johnson City, TN 376046035
Phone: (423) 431-6111
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: 2024-11-25
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 |
|---|---|---|---|---|
| I20241125002206 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 37604)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TN | |
| Hematology, Internal Medicine | TN | |
| Physical Therapist In Private Practice | FL | |
| - | TN | |
| Infectious Disease | TN | |
| - | TN | |
| Family Practice | TN | |
| Internal Medicine | VA | |
| Nurse Practitioner | TN | |
| - | MD |
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