Physician Profile
Unclaimed ProfileAbout WIDDER
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Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (302) 674-2380
- Email not available
Practice Locations
156 S STATE ST
Dover, DE 19901
Procedures Most Often Billed to Medicare
272 services · 14 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
272 |
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 clinical social workers at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other clinical social workers in Dover 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in DE who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Widder?
Dr. Widder is a clinical social worker in Dover, DE. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL SOCIAL WORKER”.
NPI registry
What is Dr. Widder's address?
Dr. Widder is listed at 156 S STATE ST, Dover, DE 19901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Widder?
The number on file is (302) 674-2380. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Widder?
Dr. Widder's National Provider Identifier is 1346527967. 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 Dr. Widder train?
Dr. Widder attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Widder have?
Dr. Widder has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Widder perform?
According to Medicare billing data, Dr. Widder provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Widder's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Widder. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.