Steven Douglas Rock, M.D.
Urology Physician · Arnold, MD
Steven Douglas Rock, M.D. is a urology physician with a practice address in Arnold, Maryland, and NPI 1407851587, issued on Jun 16, 2005. Check the license (Maryland D0051424, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Steven Douglas Rock
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- D0051424 MD
MD70034077 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1193 Bunker Ave, Arnold, MD 21012
- Phone
- (410) 610-4659
- Enumerated
- Jun 16, 2005
- Record last updated
- Oct 15, 2025
- Fax
- (410) 701-3444
- Medicaid ID
- 011304200 MD
- Medicare enrollment
- Enrolled (PECOS I20251029003314); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Steven Douglas Rock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0051424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average urology physician in 2024
995 Medicare Part D claims for 302 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Tamsulosin Hcl333 claims
- Finasteride179 claims
- Gemtesa62 claims
- Alfuzosin Hcl Er48 claims
- Dutasteride47 claims
- Myrbetriq34 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: $662.76
19 payments; by number, the most common kind was food and beverage; the largest payer was Dendreon Pharmaceuticals LLC. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Urology Physician providers in Maryland
There are 311 urology physician records in Maryland.
Other urology physician records in Maryland
- Leslie Abramowitz, M.D.Baltimore, MD1255388690
- Harbhajan Ajrawat, MDGreenbelt, MD1205883881
- Christen Alevizatos, M.D.Baltimore, MD1154376325
- Harold Alfert, M.D.Baltimore, MD1316901903
- Mohamad Allaf, M.D.Baltimore, MD1619912243
- Matthew Allaway, DOCumberland, MD1386750057
- Jordan Angell, MDWestminster, MD1306021076
- Marc Applestein, M.D.Columbia, MD1679511620
- Natalia Arias Villela, MDTowson, MD1699279927
- Barry Aron, MDRockville, MD1760495261
Common questions
What is Steven Douglas Rock, M.D.'s NPI number?
Steven Douglas Rock, M.D.'s National Provider Identifier (NPI) is 1407851587, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Douglas Rock, M.D. located?
The NPPES record lists a practice address at 1193 Bunker Ave, Arnold, MD, 21012. Phone: (410) 610-4659. Providers update this record themselves, so call before visiting.
How can I verify Steven Douglas Rock, M.D.'s license?
NPPES lists Maryland license number D0051424, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Douglas Rock, M.D. prescribe under Medicare Part D?
In 2024, Steven Douglas Rock, M.D. had 995 Medicare Part D claims for 302 beneficiaries; the average among urology physician prescribers was 1,340. 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.