CHRISTOPHER THOMAS MIDDENDORF (M.D.) – Internal Medicine Physician, NPI 1780970921
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
5,405 INTERNAL MEDICINE in GA
Provider Addresses for CHRISTOPHER THOMAS MIDDENDORF (M.D.)
PO BOX 742616
ATLANTA, GA 303742616
Phone: (770) 219-8420
Type: Mailing
1400 RIVER PLACE
BRASELTON, GA 30517
Phone: (770) 219-6000
Type: Location
1199 PRINCE AVE
ATHENS, GA 306062797
Phone:
Type: Mailing
PO BOX 102321
ATLANTA, GA 303682321
Phone:
Type: Mailing
35 COLLIER RD NW STE 635
ATLANTA, GA 303091611
Phone: (404) 367-3014
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $498.
Total Amount is formed as General ($498) + Research ($0) + Ownership ($0) = $498.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($105).
Total Amount
$498
General + Research + Ownership
Payments
23
Total payment records
General Amount
$498
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2015-11-24
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 |
|---|---|---|---|---|
| I20151124000907 | 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 | 426 | 169 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 149 | 145 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 118 | 117 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 93 | 49 | $0 |
Insurance plans in this area (ZIP 30374)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Psychiatry, Neurology, Nephrology | FL | |
| Nurse Practitioner | GA | |
| Internal Medicine | GA | |
| H O S P I T A L I S T | GA | |
| - | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine | GA | |
| N E U R O L O G Y | OR | |
| Hospitalist, Internal Medicine | AZ | |
| Nurse Practitioner | GA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.