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Edit this profileAt a glance
- 400 Bald Hill Rd, Ste 527, Warwick, RI 02886
About Dr. Katzen
David R. Katzen, M.D. is a healthcare provider in Warwick, RI specializing in allergy. According to Medicare claims data, David cared for 282 Medicare patients across 3,919 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and test for allergy using allergenic extract injected into skin. This provider record is associated with NPI 1093711830.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (401) 739-5901
- Email not available
Practice Locations
400 BALD HILL RD STE 527
Warwick, RI 02886
Procedures Most Often Billed to Medicare
3,919 services · 282 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
2,217 | More often than most peers in Allergy |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
648 | As often as other peers in Allergy |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
583 | More often than most peers in Allergy |
| Professional service for multiple injections of allergen | Treatment | 95117 |
185 | Less often than most peers in Allergy |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
47 | As often as other peers in Allergy |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
32 | As often as other peers in Allergy |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
24 | As often as other peers in Allergy |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
157 | More often than most peers in Allergy |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | As often as other peers in Allergy |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Also performs Test for allergy using allergenic extract 1
Providers in RI who bill this service to Medicare most often.
Common questions
What is David R. Katzen's specialty?
David R. Katzen is an allergy in Warwick, RI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find David R. Katzen?
David R. Katzen is listed at 400 Bald Hill Rd Ste 527, Warwick, RI 02886. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David R. Katzen?
The number on file is (401) 739-5901. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David R. Katzen's NPI number?
David R. Katzen's National Provider Identifier is 1093711830. 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
How long has David R. Katzen been practicing?
David R. Katzen has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is David R. Katzen known for?
According to Medicare billing data, David R. Katzen provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has David R. Katzen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David R. Katzen. If this is you, claiming it is free.
Guide.md
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