Individual provider Active NPI

Aaron David Greenblatt, MD

  • Addiction Medicine (Family Medicine) Physician
  • Baltimore, MD
National Provider Identifier
1013208198
Registry record updated Sep 27, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X
License
D0077774 Issued in MD
Practice address
1001 W Pratt St
Baltimore, MD 21223-2679
Phone
(443) 462-3420
NPI assigned
Apr 25, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 27, 2019

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X D0077774 MD
Addiction Medicine (Family Medicine) Physician 207QA0401X D0077774 MD Primary

Addresses

Primary practice location

1001 W Pratt St
Baltimore, MD 21223-2679

Mailing address

110 S Paca St
4TH Floor
Baltimore, MD 21201-1642
Phone (443) 462-3420

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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 1

Enrollment IDStateProvider typePAC IDDetails
I20170216000118 MD Practitioner - Family PracticePractitioner - Addiction Medicine 8022247055 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Addiction Medicine
Education
Perelman School of Med at the University of Pennsylvania, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Maryland Family Medicine Associates, P.a.Group PAC ID 4183662851, 33 clinicians
University of Maryland Psychiatry Associates PAGroup PAC ID 1052208253, 54 clinicians

Practice addresses (Care Compare)

1001 W Pratt St
Baltimore, MD 21223-2679
Phone (443) 462-3400

29 S Paca St
Baltimore, MD 21201-1771
Phone (667) 214-2100

5890 Waterloo Rd
Columbia, MD 21045-2617
Phone (667) 214-2100

701 W Pratt St
W
Baltimore, MD 21201-1023
Phone (410) 328-5881

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0077774MDMDAddiction Medicine (Family Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Family Medicine Associates, P.a. CurrentSince Apr 1, 2017 Accepting new patients
University of Maryland Family Medicine Associates, P.a. Current Accepting new patients
University of Maryland Family Medicine Associates, P.a. CurrentSince Apr 1, 2017 Accepting new patients
University of Maryland Medical Center, LLC CurrentSince Feb 1, 2024 Accepting new patients
University of Maryland Psychiatry Associates, PA CurrentSince Dec 25, 2016 Accepting new patients
University of Maryland Psychiatry Associates PA PastSince Oct 12, 2025 Accepting new patients

Locations

1001 W Pratt St
Fl 2
Baltimore, MD 21223
Phone (443) 462-3400

701 W Pratt St
Baltimore, MD 21201
Phone (410) 328-5881

1001 W Pratt St
Baltimore, MD 21223
Phone (410) 962-7180

29 S Paca St
Baltimore, MD 21201
Phone (410) 328-2603

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

5890 Waterloo Rd
Columbia, MD 21045
Phone (410) 328-2603

Interoperability endpoints

  • Direct secure messaging: agreenblatt108491@direct.umm.edu

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1303689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1569542400000",
    "number": "1013208198",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 S PACA ST",
            "address_2": "4TH FLOOR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011642",
            "telephone_number": "443-462-3420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 W PRATT ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212232679",
            "telephone_number": "443-462-3420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENBLATT",
        "first_name": "AARON",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-04-25",
        "last_updated": "2019-09-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MD",
            "license": "D0077774",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "MD",
            "license": "D0077774",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.