Physician Profile
Unclaimed ProfileAbout GRONCZEWSKI
Craig Anthony Gronczewski, M.D. practises emergency medicine in Princeton, NJ. Medicare claims data shows Craig provided 42 services to 41 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
What does Dr. Gronczewski specialise in?
Dr. Gronczewski is an emergency physician in Princeton, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.
NPI registry
Where is Dr. Gronczewski located?
Dr. Gronczewski is listed at 253 WITHERSPOON ST UNIVERSITY MEDICAL CENTER AT PRINCETON, Princeton, NJ 08540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gronczewski's phone number?
The number on file is (609) 497-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gronczewski?
Dr. Gronczewski's National Provider Identifier is 1992841621. 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 much experience does Dr. Gronczewski have?
Dr. Gronczewski has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What does Dr. Gronczewski do most often?
According to Medicare billing data, Dr. Gronczewski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gronczewski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gronczewski. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (609) 497-4000
- Email not available
Practice Locations
253 WITHERSPOON ST UNIVERSITY MEDICAL CENTER AT PRINCETON
Princeton, NJ 08540
Procedures Most Often Billed to Medicare
42 services · 41 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
42 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency physicians at this location 3
Same specialty, same street address — most likely the same department or group.
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.
Other emergency physicians in Princeton 5
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.