Peter Graves, MD
Emergency Medicine Physician · Warwick, RI
Peter Graves, MD is an emergency medicine physician with a practice address in Warwick, Rhode Island, and NPI 1346218989, issued on Mar 9, 2006. Check the license (Rhode Island MD10659, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Peter Graves
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD10659 RI
045454 CT
Self-reported in NPPES; status is on the state search - Practice location
- 455 Toll Gate RD, Warwick, RI 02886
- Phone
- (508) 675-6591
- Enumerated
- Mar 9, 2006
- Record last updated
- Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (508) 675-7905
- Medicaid ID
- 7009740 RI
- Medicare enrollment
- Enrolled (PECOS I20081105000507); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 418 in Rhode Island → Look up another NPI →
Also registered at 455 Toll Gate RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mareena Aldayani, DOStudent in an Organized Health Care Education/Training Program1740977610
- Khalid Alhourani, MDPulmonary Disease Physician1831232636
Verify Peter Graves in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD10659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average emergency medicine physician in 2024
232 Medicare Part D claims for 175 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 28 claims were for opioids.
Most prescribed
- Cephalexin22 claims
- Ondansetron Odt19 claims
- Cyclobenzaprine Hcl13 claims
- Prednisone13 claims
- Ciprofloxacin Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Emergency Physician Associates OF New England PCWakefield, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Graves among 418 emergency medicine physician records in Rhode Island
Peter Graves, MD is one of 418 emergency medicine physician records with a practice address in Rhode Island. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 75% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2012 among the 264 with a school on file
- Record last updated2008 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
102 emergency medicine physician records list a practice address in Warwick
They are 102 of the 2,776 NPPES records with a practice address in Warwick, and 418 emergency medicine physician records in Rhode Island.
All 418 in Rhode Island → Every provider in Warwick → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alfonso Cardenas, M.D.Warwick, RI 028861588632541
- Norman Chou, M.D.Warwick, RI 028861396713905
- Katie Hamblett, MDWarwick, RI 028861881635639
- Eric Harrington, D.O.Warwick, RI 028861124096102
- Robert Heinl, M.D.Warwick, RI 028861679541213
- Kathleen Katamura, MDWarwick, RI 028861477594281
- Kenneth Larsen, D.OWarwick, RI 028861003894940
- Karl Machata, M.D.Warwick, RI 028861114995115
Common questions
What is Peter Graves, MD's NPI number?
Peter Graves, MD's National Provider Identifier (NPI) is 1346218989, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Graves, MD located?
The NPPES record lists a practice address at 455 Toll Gate RD, Warwick, RI, 02886. Phone: (508) 675-6591. Providers update this record themselves, so call before visiting.
How can I verify Peter Graves, MD's license?
NPPES lists Rhode Island license number MD10659, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Graves, MD prescribe under Medicare Part D?
In 2024, Peter Graves, MD had 232 Medicare Part D claims for 175 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.