Active NPI
Alan Mark Geringer, M.D.
- Urology Physician
- Baltimore, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- D29143
- Practice address
- 2500 W Rogers Ave
Baltimore, MD 21215-4131 - Phone
- (443) 970-3608
- Fax
- (949) 561-4415
- NPI assigned
- Apr 15, 2006
- Last updated
- Sep 3, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction Medicine (Internal Medicine) Physician | 207RA0401X | D29143 | MD | |
| Urology Physician | 208800000X | D29143 | MD | Primary |
Addresses
Primary practice location
2500 W Rogers Ave
Baltimore, MD 21215-4131
Mailing address
462 Northern Pintail PL
Hampstead, NC 28443-5380
Phone (443) 970-6438
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 372001200 | Medicaid | MD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Urology
- Education
- Medical College of Wisconsin, 1976
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
2500 W Rogers Ave
Baltimore, MD 21215-4131
Phone (443) 970-6438
40 York Rd
Suite 201
Towson, MD 21204-5243
Phone (443) 970-6438
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Matclinic Physicians Practice Group LLC | Addiction Medicine | Current | Accepting new patients |
| Wellspan Medical Group | Current | Accepting new patients | |
| DLP Conemaugh Physician Practices LLC | Current | Accepting new patients | |
| University of Pittsburgh Physicians | Current | Accepting new patients | |
| University of Pittsburgh Physicians | Urology | Current | Accepting new patients |
| Alan Geringer, MD LLC | Urology | Current | Accepting new patients |
| Upmc Altoona Regional Health Services, Inc | Current | Accepting new patients | |
| DLP Conemaugh Physician Practices LLC | Current | Accepting new patients | |
| University of Pittsburgh Physicians | Current | Accepting new patients | |
| Upmc Altoona Regional Health Services, Inc | Urology | Current | Accepting new patients |
| Wellspan Medical Group | Current | Accepting new patients | |
| Arundel Pain Associates LLC | Current | Accepting new patients | |
| Matclinic Physicians Practice Group LLC | Current | Accepting new patients | |
| DLP Conemaugh Physician Practices LLC | Current | Accepting new patients | |
| Wellspan Medical Group | Current | Accepting new patients | |
| Alan Geringer, MD LLC | Urology | Past | Accepting new patients |
| Clinical Associates P a | Past | Accepting new patients | |
| Alan Geringer, MD LLC | Urology | Past | Accepting new patients |
Locations
2500 W Rogers Ave
Baltimore, MD 21215
Phone (443) 240-1682
40 S Dundalk Ave
Ste 400
Dundalk, MD 21222
Phone (410) 220-0270
6730 Holabird Ave
Ste 201
Dundalk, MD 21222
Phone (410) 236-8622
1406B Crain Hwy S
Ste 208
Glen Burnie, MD 21061
Phone (443) 410-3309
515 Fairmount Ave
Ste 100
Towson, MD 21286
Phone (410) 321-8005
722 Dulaney Valley Rd
Towson, MD 21204
Phone (443) 413-4640
1414 9th Ave
Altoona, PA 16602
Phone (814) 949-7621
1086 Franklin St
Johnstown, PA 15905
Phone (610) 250-4540
1111 Franklin St
Ste 180
Johnstown, PA 15905
Phone (814) 534-3740
1111 Franklin St
Ste 410
Johnstown, PA 15905
Phone (814) 536-7851
300 Halket St
Ste 5200
Pittsburgh, PA 15213
Phone (412) 641-7850
1600 S George St
York, PA 17403
Phone (717) 848-3615
25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250
35 Monument Rd
Ste 206
York, PA 17403
Phone (717) 741-8011
Interoperability endpoints
- alan.geringer.p2@direct.clinicalassociates.nextgenshare.com
Organizations & group practices 18
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Urology Physician
- Baltimore, MD
- NPI 1376147785
-
dba Sumat Centers
- Addiction Medicine (Anesthesiology) Physician
- Dundalk, MD
- NPI 1740672476
-
- Addiction Medicine (Internal Medicine) Physician
- Dundalk, MD
- NPI 1104375294
-
dba Conemaugh Physician Group Cresson
- Family Medicine Physician
- Cresson, PA
- NPI 1932515905
-
- Gastroenterology Physician
- Pittsburgh, PA
- NPI 1619935004
-
dba Blair Medical Associates
- Family Medicine Physician
- Altoona, PA
- NPI 1396724217
-
dba WellSpan Digestive Health
- Gastroenterology Physician
- York, PA
- NPI 1669770004
-
- Urology Physician
- Reisterstown, MD
- NPI 1699474452
-
- Urology Physician
- Towson, MD
- NPI 1992405575
-
- Addiction (Substance Use Disorder) Counselor
- Dundalk, MD
- NPI 1801448360
-
- Internal Medicine Physician
- Johnstown, PA
- NPI 1205242609
-
dba Conemaugh Physician Group - Portage
- Rural Health Clinic/Center
- Portage, PA
- NPI 1427464874
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1145059200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756857600000",
"number": "1114981065",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "462 NORTHERN PINTAIL PL",
"city": "HAMPSTEAD",
"state": "NC",
"postal_code": "284435380",
"telephone_number": "443-970-6438",
"fax_number": "410-558-6476"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2500 W ROGERS AVE",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212154131",
"telephone_number": "443-970-3608",
"fax_number": "949-561-4415"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GERINGER",
"first_name": "ALAN",
"middle_name": "MARK",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-04-15",
"last_updated": "2025-09-03",
"certification_date": "2025-09-03",
"status": "A"
},
"taxonomies": [
{
"code": "207RA0401X",
"taxonomy_group": "",
"desc": "Internal Medicine, Addiction Medicine",
"state": "MD",
"license": "D29143",
"primary": false
},
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "MD",
"license": "D29143",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "372001200",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Baltimore, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.