Ryan Allen, DO
Internal Medicine Physician · Warwick, RI
Ryan Allen, DO is an internal medicine physician with a practice address in Warwick, Rhode Island, and NPI 1790171346, issued on Apr 10, 2015. Check the license (Rhode Island DO00916, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Ryan Allen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO00916 RI
Self-reported in NPPES; status is on the state search - Practice location
- 455 Toll Gate RD, Warwick, RI 02886
- Phone
- (401) 737-7000
- Enumerated
- Apr 10, 2015
- Record last updated
- May 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180719001204); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 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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Verify Ryan Allen 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 DO00916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,929 Medicare Part D claims for 321 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 101 claims were for opioids.
Most prescribed
- Atorvastatin Calcium308 claims
- Rosuvastatin Calcium281 claims
- Amlodipine Besylate247 claims
- Losartan Potassium210 claims
- Levothyroxine Sodium169 claims
- Omeprazole166 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.
Industry payments in 2024: $158.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ryan Allen among 1,033 internal medicine physician records in Rhode Island
Ryan Allen, DO is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 60% of them.
- NPI issued2015 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2006 among the 590 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 internal medicine physician records list a practice address in Warwick
They are 120 of the 2,776 NPPES records with a practice address in Warwick, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Warwick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Audett, MDWarwick, RI 028861609872878
- Amy Boyer, M.D.Warwick, RI 028861346215357
- Patricia Chace, MDWarwick, RI 028861285634535
- Wilfredo Curioso, M.D.Warwick, RI 028861518932565
- Mechery Davis, MDWarwick, RI 028861407824477
- Robert Ellison, M.D.Warwick, RI 028861083610836
- Neal Galinko, M.D.Warwick, RI 028861508862350
- Nicholas Grumbach, M.D.Warwick, RI 028861932105780
Common questions
What is Ryan Allen, DO's NPI number?
Ryan Allen, DO's National Provider Identifier (NPI) is 1790171346, issued on Apr 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Allen, DO located?
The NPPES record lists a practice address at 455 Toll Gate RD, Warwick, RI, 02886. Phone: (401) 737-7000. Providers update this record themselves, so call before visiting.
How can I verify Ryan Allen, DO's license?
NPPES lists Rhode Island license number DO00916, 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 Ryan Allen, DO prescribe under Medicare Part D?
In 2024, Ryan Allen, DO had 4,929 Medicare Part D claims for 321 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.