ROGER WILLIAMS MEDICAL CENTER
ROGER WILLIAMS MEDICAL CENTER is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1457395998, based in Providence, RI. The organization lists 3 taxonomy classifications, with Addiction Medicine (Internal Medicine) Physician recorded as primary.
Getting there
The practice address on file is 825 CHALKSTONE AVE, Providence, RI 02908. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| HOS00108 | RI | Addiction (Substance Use Disorder)… |
| HOS00108 | RI | Addiction Psychiatry Physician |
This provider holds licence HOS00108 issued in RI. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Addiction Medicine covers
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine. NUCC Health Care Provider Taxonomy, code 207RA0401X
All registered taxonomy codes
This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207RA0401X | Addiction Medicine (Internal Medicine) Physician Addiction Medicine | — | — | primary |
| 103TA0400X | Addiction (Substance Use Disorder) Psychologist Addiction (Substance Use Disorder) | HOS00108 | RI | |
| 2084P0802X | Addiction Psychiatry Physician Addiction Psychiatry | HOS00108 | RI |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1457395998 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Jun 15, 2006 |
| Last updated | Mar 13, 2013 |
| Status | Active |
| Practice address |
825 CHALKSTONE AVE Providence, RI 02908 (401) 456-2363 Fax (401) 456-6744 |
| Other identifiers |
RW18813
· Medicaid (RI) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 4 | 5 | 7 | 3 | 9 | 5 | 9 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 4 | 1 | 7 | 6 | 9 | 1 | 9 | 9 |
Sum = 72 · next multiple of 10 = 80 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.