DR. JOHN CHARLES DIECK (D.O.) – Anesthesiology Physician, NPI 1205899226
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 ANESTHESIOLOGY in CT
Loading map...
Provider Addresses for DR. JOHN CHARLES DIECK (D.O.)
322, Beach Street, Litchfield, Connecticut, 06759, United States
LITCHFIELD, CT 067592313
Phone: (860) 567-1026
Type: Mailing
140, Grandview Avenue, West Side Hill, Waterbury, New Haven County, Connecticut, 06708, United States
WATERBURY, CT 067082505
Phone: (203) 757-7000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $62.
Total Amount is formed as General ($62) + Research ($0) + Ownership ($0) = $62.
Last reported payment date: 2024-01-22 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($62).
Total Amount
$62
General + Research + Ownership
Payments
3
Total payment records
General Amount
$62
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $62 |
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: 2004-10-18
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 |
|---|---|---|---|---|
| I20041018000104 | I | Anesthesiology | CT | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 22 | 22 | $0 |
| 00910 | Anesthesia for other procedure on urinary system through urethra | 22 | 21 | $0 |
| 00400 | Anesthesia for other procedure on skin of arms, legs, and front body | 17 | 16 | $0 |
| 00142 | Anesthesia for lens surgery | 16 | 15 | $0 |
Insurance plans in this area (ZIP 06759)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| - | CT | |
| - | WA | |
| A N E S T H E S I O L O G Y | GA | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| - | NY | |
| General Surgery | CT | |
| - | CT | |
| - | CT | |
| - | 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.