FREDERICK J DENSTMAN (M.D.) – Colon & Rectal Surgery Physician, NPI 1538197769
Colon & Rectal Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13 COLORECTAL SURGERY (PROCTOLOGY) in DE
Provider Addresses for FREDERICK J DENSTMAN (M.D.)
4745 OLGETOWN STANTON RD
SUITE 216
NEWARK, DE 197132074
Phone: (302) 737-5444
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)
No Open Payments data available for this provider.
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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: 2010-04-23
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 |
|---|---|---|---|---|
| I20100423000128 | I | Colorectal Surgery (Proctology) | DE | 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 |
|---|---|---|---|---|
| 46600 | Diagnostic exam of anus using an endoscope | 66 | 63 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 57 | 27 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 44 | 44 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 38 | 35 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 33 | 33 | $0 |
Insurance plans in this area (ZIP 19713)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| COLORECTAL SURGERY (PROCTOLOGY) | DE | 45378 | Diagnostic examination of large bowel using an endoscope | 17 | 17 |
| COLORECTAL SURGERY (PROCTOLOGY) | DE | 45385 | Removal of polyps or growths of large bowel using an endoscope | 64 | 63 |
| COLORECTAL SURGERY (PROCTOLOGY) | DE | 46600 | Diagnostic examination of the anus using an endoscope | 94 | 86 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | DE | |
| - | DE | |
| - | DE | |
| - | PA | |
| Internal Medicine | DE | |
| Physician Assistant | DE | |
| Nurse Practitioner | PA | |
| General Surgery | IL | |
| Diagnostic Radiology | NY | |
| Internal Medicine | NY |
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