Individual provider Active NPI

Margaret Blattner, MD, PHD

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Rochester, MN
National Provider Identifier
1619358371
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084S0012X
License
80614 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2511
NPI assigned
Jun 17, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 2015017299 MO
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X 80614 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (507) 284-2511

Other identifiers 1

IdentifierTypeStateIssuer
2015017299OtherMOTEMPORARY LISCENCE

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mblattner2556360@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, MN2 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
I20200804001996 MA Practitioner - NeurologyPractitioner - Sleep Medicine 0648584516 Reassigns benefits to 2 organizations
I20251128000142 MN Practitioner - Sleep Medicine 0648584516 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Sleep Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Hospital & facility affiliations

  • Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
  • Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
  • Beth Israel Deaconess Hospital - Needham Hospital, Needham, MA, CCN 220083

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2015017299MOMDNeurology Physician
80614MNMDSleep Medicine (Psychiatry & Neurology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2020 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2020 Accepting new patients
Mayo Clinic CurrentSince Nov 17, 2025 Accepting new patients
Mayo Clinic CurrentSince Nov 17, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr, Inc Neurology CurrentSince Jul 1, 2020 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2020 Accepting new patients
Mayo Clinic Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients

Locations

330 Brookline Ave
#407
Boston, MA 02215

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Interoperability endpoints

  • Direct secure messaging: mblattner2556360@ehrdirect.mayoclinicmsg.org

Organizations & group practices 8

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.

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": "1434499200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1619358371",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLATTNER",
        "first_name": "MARGARET",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-17",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MO",
            "license": "2015017299",
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "MN",
            "license": "80614",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TEMPORARY LISCENCE",
            "identifier": "2015017299",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mblattner2556360@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.