Alan Mark Geringer, M.D.
Urology Physician · Baltimore, MD
Alan Mark Geringer, M.D. is a urology physician with a practice address in Baltimore, Maryland, and NPI 1114981065, issued on Apr 15, 2006. Check the license (Maryland D29143, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alan Mark Geringer
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- D29143 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2500 W Rogers Ave, Baltimore, MD 21215
- Phone
- (443) 970-3608
- Enumerated
- Apr 15, 2006
- Record last updated
- Sep 3, 2025
- Fax
- (949) 561-4415
- Medicaid ID
- 372001200 MD
- Medicare enrollment
- Enrolled (PECOS I20090805000527); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 311 in Maryland → Look up another NPI →
Also registered at 2500 W Rogers Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Miller, MDHematology & Oncology Physician1861480535
Verify Alan Mark Geringer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D29143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average urology physician in 2024
821 Medicare Part D claims for 178 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Tamsulosin Hcl253 claims
- Buprenorphine-Naloxone144 claims
- Finasteride93 claims
- Myrbetriq49 claims
- Gemtesa32 claims
- Solifenacin Succinate31 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: $38.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics Corporation. 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.
Alan Mark Geringer among 311 urology physician records in Maryland
Alan Mark Geringer, M.D. is one of 311 urology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1976 · median 2004 among the 213 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Maryland
There are 311 urology physician records in Maryland.
All 311 in Maryland → Every provider in Baltimore → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Leroy Nyberg, M.D.Baltimore, MD 212171497035422
- Brad Lerner, MDBaltimore, MD 212181558346809
- Benjamin Lowentritt, M.D.Baltimore, MD 212181578584959
- Brian Neuman, M.D.Baltimore, MD 212181780028167
- Ajay Parikh, MDBaltimore, MD 212181053372995
- Leslie Abramowitz, M.D.Baltimore, MD 212081255388690
- Bruce Berger, M.D.Baltimore, MD 212081558324657
- Joel Cherry, M.D.Pikesville, MD 212081861706848
Common questions
What is Alan Mark Geringer, M.D.'s NPI number?
Alan Mark Geringer, M.D.'s National Provider Identifier (NPI) is 1114981065, issued on Apr 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Mark Geringer, M.D. located?
The NPPES record lists a practice address at 2500 W Rogers Ave, Baltimore, MD, 21215. Phone: (443) 970-3608. Providers update this record themselves, so call before visiting.
How can I verify Alan Mark Geringer, M.D.'s license?
NPPES lists Maryland license number D29143, 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 Alan Mark Geringer, M.D. prescribe under Medicare Part D?
In 2024, Alan Mark Geringer, M.D. had 821 Medicare Part D claims for 178 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.