Individual provider Active NPI

Ron Elfenbein, MD

  • Emergency Medicine Physician
  • Baltimore, MD
National Provider Identifier
1710934294
Registry record updated Mar 4, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
D60177 Issued in MD
Practice address
3001 S Hanover St
Baltimore, MD 21225-1233
Phone
(410) 350-3509
Fax
(410) 350-3511
NPI assigned
May 28, 2006
Last updated
Mar 4, 2010By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 2010

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X D60177 MD Primary

Addresses

Primary practice location

3001 S Hanover St
Baltimore, MD 21225-1233

Mailing address

7023 Chesapeake Harbour Dr E
Annapolis, MD 21403-7603
Phone (410) 990-0036

Other identifiers 1

IdentifierTypeStateIssuer
223665638OtherMDCHAMPUS/TRICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, IA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20031114000242 MD Practitioner - Emergency Medicine 0042124083 Reassigns benefits to 4 organizations
I20251205000605 IA Practitioner - Emergency Medicine 0042124083 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Service Associates PAGroup PAC ID 8224024716, 27 clinicians

Practice addresses (Care Compare)

201 Hall Hwy
Crisfield, MD 21817-1237
Phone (410) 960-1200

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
96.26 of 100Reported as group
Quality
91.08
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2250AKMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates P.a., P.C. Emergency Medicine CurrentSince Apr 20, 2018 Accepting new patients
Jackson County Public Hospital CurrentSince Oct 15, 2025 Accepting new patients
WHC Emerg Phys CurrentSince Nov 1, 2018 Accepting new patients
Chesapeake Physicians Group Current Accepting new patients
Doctors Emergency Service, PA Emergency Medicine CurrentSince Sep 1, 2015 Accepting new patients
WHC Physician Group LLC CurrentSince Nov 1, 2018 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Apr 20, 2018 Accepting new patients
Jackson County Public Hospital CurrentSince Oct 15, 2025 Accepting new patients
Dresnick Sterling Emergency Physicians of Maryland PA Emergency Medicine Past Accepting new patients
Hospital Physician Services, LLLP Past Accepting new patients

Locations

601 Hospital Dr
Maquoketa, IA 52060
Phone (563) 652-2474

2001 Medical Pkwy
Annapolis, MD 21401
Phone (410) 280-5601

5601 Loch Raven Blvd
Baltimore, MD 21239
Phone (443) 444-4714

500 Upper Chesapeake Dr
Bel Air, MD 21014
Phone (443) 643-1000

3001 S Hanover St
Brooklyn Park, MD 21225
Phone (410) 350-3200

1071 State Route 3 N
Gambrills, MD 21054
Phone (410) 721-1207

1071 State Route 3 N
Ste 101
Gambrills, MD 21054
Phone (410) 721-2333

25500 Point Lookout Rd
Leonardtown, MD 20650
Phone (301) 475-6106

100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791

9000 Franklin Square Dr
Rosedale, MD 21237
Phone (410) 682-7000

11355 Pembrooke Sq
Ste 108
Waldorf, MD 20603
Phone (202) 877-6733

200 Memorial Ave
Westminster, MD 21157
Phone (410) 848-3000

Organizations & group practices 11

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1267660800000",
    "number": "1710934294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7023 CHESAPEAKE HARBOUR DR E",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214037603",
            "telephone_number": "410-990-0036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3001 S HANOVER ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212251233",
            "telephone_number": "410-350-3509",
            "fax_number": "410-350-3511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELFENBEIN",
        "first_name": "RON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-28",
        "last_updated": "2010-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D60177",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CHAMPUS/TRICARE",
            "identifier": "223665638",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.