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Edit this profileAt a glance
- 4745 Olgetown Stanton Rd, Suite 216, Newark, DE 19713
About Dr. Denstman
Based in Newark, DE, Frederick J. Denstman, M.D. is listed in the NPI registry under colon & rectal surgery. Frederick graduated from Hahnemann University College of Medicine in 1979. Medicare claims data shows Frederick provided 517 services to 476 patients. The services billed most often include diagnostic exam of anus using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1538197769 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (302) 737-5444
- Email not available
Practice Locations
4745 OLGETOWN STANTON RD SUITE 216
Newark, DE 19713
Procedures Most Often Billed to Medicare
517 services · 476 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
64 | More often than most peers in Colon & Rectal Surgery |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
60 | More often than most peers in Colon & Rectal Surgery |
| Removal of external hemorrhoids by rubber banding | Procedure | 46221 |
17 | Less often than most peers in Colon & Rectal Surgery |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 | Less often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
48 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
47 | More than most peers in Colon & Rectal Surgery |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
42 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
38 | As often as other peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
37 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
34 | More often than most peers in Colon & Rectal Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other colorectal surgeons in Newark 4
Same specialty, same city.
Trained at Hahnemann University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Hahnemann University College of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 1 related provider in 1 group
Also performs Diagnostic exam of anus using an endoscope 1
Providers in DE who bill this service to Medicare most often.
Common questions
What kind of doctor is Frederick J. Denstman?
Frederick J. Denstman is a colorectal surgeon in Newark, DE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
What is Frederick J. Denstman's address?
Frederick J. Denstman is listed at 4745 Olgetown Stanton Rd Suite 216, Newark, DE 19713. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Frederick J. Denstman?
The number on file is (302) 737-5444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Frederick J. Denstman?
Frederick J. Denstman's National Provider Identifier is 1538197769. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Frederick J. Denstman train?
Frederick J. Denstman attended Hahnemann University College of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Frederick J. Denstman have?
Frederick J. Denstman has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Frederick J. Denstman perform?
According to Medicare billing data, Frederick J. Denstman performs procedures including diagnostic exam of anus using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and removal of external hemorrhoids by rubber banding, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Frederick J. Denstman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Frederick J. Denstman. If this is you, claiming it is free.
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