NPPES file of Aug 9, 2026

Ronald Kretkowski, MD

Urology Physician · Annapolis, MD

Ronald Kretkowski, MD is a urology physician with a practice address in Annapolis, Maryland, and NPI 1336355668, issued on May 15, 2007. Check the license (Maryland D0015273, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336355668
Name
Ronald Kretkowski
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
D0015273 MD
Self-reported in NPPES; status is on the state search
Practice location
2973 Southaven Dr, Annapolis, MD 21401
Phone
(410) 266-8893
Enumerated
May 15, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Ronald Kretkowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0015273    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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Urology Physician providers in Maryland

There are 311 urology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 311 in Maryland → Every provider in Annapolis →

Other urology physician records in Maryland

  1. Leslie Abramowitz, M.D.Baltimore, MD1255388690
  2. Harbhajan Ajrawat, MDGreenbelt, MD1205883881
  3. Christen Alevizatos, M.D.Baltimore, MD1154376325
  4. Harold Alfert, M.D.Baltimore, MD1316901903
  5. Mohamad Allaf, M.D.Baltimore, MD1619912243
  6. Matthew Allaway, DOCumberland, MD1386750057
  7. Jordan Angell, MDWestminster, MD1306021076
  8. Marc Applestein, M.D.Columbia, MD1679511620
  9. Natalia Arias Villela, MDTowson, MD1699279927
  10. Barry Aron, MDRockville, MD1760495261

Common questions

What is Ronald Kretkowski, MD's NPI number?

Ronald Kretkowski, MD's National Provider Identifier (NPI) is 1336355668, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Kretkowski, MD located?

The NPPES record lists a practice address at 2973 Southaven Dr, Annapolis, MD, 21401. Phone: (410) 266-8893. Providers update this record themselves, so call before visiting.

How can I verify Ronald Kretkowski, MD's license?

NPPES lists Maryland license number D0015273, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.