Physician Profile
Unclaimed ProfileAbout ISAAC
John Isaac, M.D. practices general surgery in Warwick, RI. John is also listed as specializing in vascular surgery and surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (401) 739-8010
- Email not available
Practice Locations
390 TOLL GATE RD STE.200
Warwick, RI 02886
Procedures Most Often Billed to Medicare
13 services · 13 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 |
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.
Other general surgeons in Warwick 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1984 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Isaac?
Dr. Isaac is a general surgeon in Warwick, RI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Isaac's address?
Dr. Isaac is listed at 390 TOLL GATE RD STE.200, Warwick, RI 02886. 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. Isaac?
The number on file is (401) 739-8010. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Isaac?
Dr. Isaac's National Provider Identifier is 1225037435. 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. Isaac train?
Dr. Isaac attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Isaac have?
Dr. Isaac has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Isaac perform?
According to Medicare billing data, Dr. Isaac 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. Isaac's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Isaac. 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.