Doctor profile · Federal record

Dr. Ryan Allen, DO

Internal Medicine Physician (CMS: Internal Medicine) · Warwick, RI

  • NPI 1790171346
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
455 Toll Gate RD
Warwick, RI 028862759
(401) 737-7000

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
May 10, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Rhode Island #DO00916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790171346. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
606
Distinct HCPCS
10
Medicare allowed
$55,334
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 214 117 $130
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 103 103 $131
G0444 Annual depression screening, 5 to 15 minutes 100 100 $19
99442 Telephone medical discussion with physician, 11-20 minutes 61 45 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 35 27 $92
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 21 16 $24
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 19 19 $0
G0008 Administration of influenza virus vaccine 18 18 $29
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 13 13 $0
G0009 Administration of pneumococcal vaccine 11 11 $30

In context: peer comparison

Among 21 peers in Warwick Internal Medicine Physician, average services per provider: 82. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$159
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $138.17
Baxter Healthcare 1 $20.40

By nature of payment

Food and Beverage
$159

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,185
Patients
609
Total drug cost
$35,911
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 278 73 $6,826
Atorvastatin Calcium Generic 268 74 $4,599
Amlodipine Besylate Generic 253 69 $2,855
Losartan Potassium Generic 182 49 $2,925
Lisinopril Generic 164 40 $1,727
Levothyroxine Sodium Generic 157 39 $3,014
Omeprazole Generic 156 50 $3,053
Metoprolol Succinate Generic 119 30 $2,825
Hydrochlorothiazide Generic 115 35 $651
Escitalopram Oxalate Generic 97 32 $1,395

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Allen's medical specialty?
Dr. Ryan Allen practices Internal Medicine Physician in Warwick, RI.
Where does Dr. Ryan Allen practice?
Dr. Ryan Allen practices at 455 Toll Gate RD, Warwick, RI 028862759. Office phone: 4017377000.
What is Dr. Ryan Allen's NPI?
Dr. Ryan Allen's National Provider Identifier (NPI) is 1790171346, issued by NPPES.
Does Dr. Ryan Allen accept Medicare assignment?
Yes. Dr. Ryan Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Allen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.