Physician Profile
Diana Dickson-Witmer, M.D.
Unclaimed ProfileAbout Dr. Dickson-Witmer
Listed in the NPI registry as a specialist, Diana Dickson-Witmer, M.D. practices in Wilmington, DE. Diana graduated from University of Florida College of Medicine in 1976. Medicare claims data shows Diana provided 703 services to 659 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 656-1882
- Email not available
Practice Locations
1504 N BROOM ST SUITE 2
Wilmington, DE 19806
Procedures Most Often Billed to Medicare
703 services · 659 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
45 | More often than most peers in Specialist |
| Biopsy of breast and placement of locating device using ultrasound, first growth | Procedure | 19083 |
32 | Too few peers to compare |
| Biopsy of breast and placement of locating device using x-ray with needle, first growth | Procedure | 19081 |
30 | Too few peers to compare |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
19 | As often as other peers in Specialist |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
17 | Too few peers to compare |
| Injection of radioactive material for x-ray identification of lymph node | Procedure | 38792 |
15 | Too few peers to compare |
| Ultrasonic guidance during surgery | Imaging | 76998 |
33 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
258 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 | As often as other peers in Specialist |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
80 | More often than most peers in Specialist |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Wilmington 8
Same specialty, same city.
Trained at University of Florida College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1976 at University of Florida College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 7
Providers in DE who bill this service to Medicare most often.
Common questions
What kind of doctor is Diana Dickson-Witmer?
Diana Dickson-Witmer is a specialist in Wilmington, DE. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Diana Dickson-Witmer's address?
Diana Dickson-Witmer is listed at 1504 N Broom St Suite 2, Wilmington, DE 19806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Diana Dickson-Witmer?
The number on file is (302) 656-1882. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Diana Dickson-Witmer?
Diana Dickson-Witmer's National Provider Identifier is 1932189131. 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 Diana Dickson-Witmer train?
Diana Dickson-Witmer attended University of Florida College of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Diana Dickson-Witmer have?
Diana Dickson-Witmer has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What procedures does Diana Dickson-Witmer perform?
According to Medicare billing data, Diana Dickson-Witmer performs procedures including partial removal of breast, biopsy of breast and placement of locating device using ultrasound, first growth and biopsy of breast and placement of locating device using x-ray with needle, first growth; reads or performs imaging such as ultrasonic guidance during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Diana Dickson-Witmer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Diana Dickson-Witmer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.