Doctor profile · Federal record

Dr. John Riordan, M.D.

Urology Physician (CMS: Urology) · Urology Physician · Martinsburg, WV

  • NPI 1033381108
  • Accepts Medicare
  • MIPS 89.2 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
880 N Tennessee Ave Ste 105
Martinsburg, WV 254019401
(304) 596-5757
fax (304) 596-5758
Mailing address
2500 Foundation Way
Martinsburg, WV 254019000

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
April 7, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (2)
West Virginia #25963 · Missouri #2008011487
Medicaid
WV #3810027652

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033381108. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
953
Distinct HCPCS
10
Medicare allowed
$88,016
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 461 334 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 106 91 $120
99204 New patient office or other outpatient visit, 45-59 minutes 105 105 $128
52000 Diagnostic exam of bladder and urethra using an endoscope 56 50 $78
81003 Automated urinalysis test 45 41 $2
51798 Ultrasound measurement of bladder capacity after voiding 35 34 $9
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 24 23 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 21 $128
76942 Ultrasonic guidance for needle placement 22 20 $27
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $155

In context: peer comparison

Among 1 peers in Martinsburg Urology Physician, average services per provider: 73. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Axonics, INC. 4 $109.35

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,110
Patients
374
Total drug cost
$89,397
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 395 135 $6,763
Finasteride Generic 324 104 $4,837
Myrbetriq (Mirabegron) Brand 82 23 $52,739
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 52 11 $1,401
Ciprofloxacin Hcl Generic 51 45 $272
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 39 30 $111
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 32 26 $112
Tadalafil Generic 25 0 $1,883
Amitriptyline Hcl Generic 22 0 $320
Nitrofurantoin (Nitrofurantoin Macrocrystal) Brand 17 0 $552

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Riordan's medical specialty?
Dr. John Riordan practices Urology Physician in Martinsburg, WV.
Where does Dr. John Riordan practice?
Dr. John Riordan practices at 880 N Tennessee Ave Ste 105, Martinsburg, WV 254019401. Office phone: 3045965757.
What is Dr. John Riordan's NPI?
Dr. John Riordan's National Provider Identifier (NPI) is 1033381108, issued by NPPES.
Does Dr. John Riordan accept Medicare assignment?
Yes. Dr. John Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Riordan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.