Doctor profile · Federal record

Dr. Ryan Villarreal, MD

Internal Medicine Physician (CMS: Internal Medicine) · Winter Haven, FL

  • NPI 1891359535
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
325 1St St N
Winter Haven, FL 338814111
(863) 293-1191
fax (863) 837-5318
Additional location
3000 Woodmont Ave
Winter Haven, FL 338843800
fax (863) 293-8035
Mailing address
500 E Central Ave
Winter Haven, FL 338803094

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
September 23, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Florida #ME155462

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891359535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,566
Distinct HCPCS
10
Medicare allowed
$65,712
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 154 104 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 152 90 $125
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 117 99 $8
80053 Blood test, comprehensive group of blood chemicals 110 93 $10
83036 Hemoglobin a1c level 109 94 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 86 51 $89
80061 Blood test, lipids (cholesterol and triglycerides) 83 83 $13
G0444 Annual depression screening, 5 to 15 minutes 73 73 $18
84443 Blood test, thyroid stimulating hormone (tsh) 71 62 $16
99204 New patient office or other outpatient visit, 45-59 minutes 68 68 $164

In context: peer comparison

Among 12 peers in Winter Haven Internal Medicine Physician, average services per provider: 142. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$438
Transactions
22
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 5 $103.40
GlaxoSmithKline, LLC. 2 $43.49
Phathom Pharmaceuticals, INC. 2 $35.44
Exact Sciences Corporation 2 $32.02
Pacira Pharmaceuticals Incorporated 1 $25.75
Daiichi Sankyo INC. 1 $23.67
Merck Sharp & Dohme LLC 1 $23.54
AstraZeneca Pharmaceuticals Lp 1 $21.13
Averitas Pharma INC. 1 $21.07
Boehringer Ingelheim Pharmaceuticals, INC. 1 $20.21
Lilly USA, LLC 1 $19.37
Abbvie INC. 1 $18.75
Pfizer INC. 1 $17.42
Novo Nordisk INC 1 $16.83
Dexcom, INC. 1 $15.57

By nature of payment

Food and Beverage
$438

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
961
Patients
495
Total drug cost
$11,188
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 126 70 $1,428
Levothyroxine Sodium Generic 95 40 $1,639
Metformin Hcl Generic 92 45 $635
Omeprazole Generic 82 40 $692
Amlodipine Besylate Generic 81 40 $478
Losartan Potassium Generic 79 41 $1,021
Lisinopril Generic 71 37 $504
Rosuvastatin Calcium Generic 65 38 $944
Gabapentin Generic 54 30 $1,154
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 46 24 $1,012

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Villarreal's medical specialty?
Dr. Ryan Villarreal practices Internal Medicine Physician in Winter Haven, FL.
Where does Dr. Ryan Villarreal practice?
Dr. Ryan Villarreal practices at 325 1St St N, Winter Haven, FL 338814111. Office phone: 8632931191.
What is Dr. Ryan Villarreal's NPI?
Dr. Ryan Villarreal's National Provider Identifier (NPI) is 1891359535, issued by NPPES.
Does Dr. Ryan Villarreal accept Medicare assignment?
Yes. Dr. Ryan Villarreal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Villarreal commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.