NPIMap

Individual provider Active NPI

Sonja Blum, MD, PHD

  • Behavioral Neurology & Neuropsychiatry Physician
  • New York, NY
National Provider Identifier
1003073636
Registry record updated Apr 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavioral Neurology & Neuropsychiatry PhysicianTaxonomy code 2084B0040X
License
248370 Issued in NY
Practice address
428 E 72ND St Ofc 500
New York, NY 10021-0600
Phone
(212) 746-2441
NPI assigned
May 21, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Physician 208D00000X 248370 NY
Behavioral Neurology & Neuropsychiatry Physician 2084B0040X 248370 NY Primary

Addresses

Primary practice location

428 E 72ND St Ofc 500
New York, NY 10021-0600

Mailing address

428 E 72ND St Ofc 500
New York, NY 10021-0600
Phone (212) 746-2441

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, WI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20110404000445 NY Practitioner - Neurology 8224212006 Reassigns benefits to 2 organizations
Practice locations: New York, NY
I20161004001444 WI Practitioner - Neurology 8224212006 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
University of Texas Medical School at Houston, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Weill Medical College of CornellGroup PAC ID 6800709023, 2,023 clinicians

Practice addresses (Care Compare)

1305 York Ave
New York, NY 10021-5663
Phone (646) 962-9800

Hospital & facility affiliations

  • New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101
  • Rusk Rehabilitation Inpatient rehabilitation facility, New York, NY, CCN 33T214

Merit-based Incentive Payment System (MIPS)

Final score
80.58 of 100Reported as group
Quality
55.5
Promoting interoperability
100
Improvement activities
40
Cost
71.46

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
85.32
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
248370NYMDGeneral Practice Physician

Practice roles (16 of 20)

OrganizationSpecialtyStatusNew patients
MCHS Hospitals Inc Current Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jun 1, 2023 Accepting new patients
Flambeau Hospital Inc Current Accepting new patients
Weill Medical College of Cornell CurrentSince Aug 1, 2024 Accepting new patients
Flambeau Hospital Inc CurrentSince Jun 1, 2023 Accepting new patients
New York University General Practice CurrentSince Apr 15, 2012 Accepting new patients
Memorial Hospital Inc CurrentSince Jun 1, 2023 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Mar 11, 2020 Accepting new patients
Memorial Hospital Inc CurrentSince Jun 1, 2023 Accepting new patients
Marshfield Clinic Inc CurrentSince Oct 3, 2016 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jun 1, 2023 Accepting new patients
Weill Medical College of Cornell CurrentSince Aug 1, 2024 Accepting new patients
New York University CurrentSince Apr 15, 2012 Accepting new patients
Beaver Dam Community Hospitals Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Mar 11, 2020 Accepting new patients
Trustees of Columbia University in the City of New York Past Accepting new patients

Locations

5901 Palisade Ave
Bronx, NY 10471
Phone (718) 581-1000

1530 Front St
East Meadow, NY 11554
Phone (516) 324-7500

340 W Park Ave
Long Beach, NY 11561
Phone (516) 431-5064

200 Old Country Rd
Ste 370
Mineola, NY 11501
Phone (516) 541-0300

525 E 68th St
Fl 6
New York, NY 10065
Phone (212) 746-3561

428 E 72nd St
Ofc 500
New York, NY 10021
Phone (212) 746-2344

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

400 E 34th St
New York, NY 10016
Phone (212) 263-6037

1305 York Ave
New York, NY 10021
Phone (646) 962-2020

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H9678

Interoperability endpoints

  • Direct secure messaging: sonja.blum@marshfieldclinichealthsystem.cernerdirect.com

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1211328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1003073636",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "428 E 72ND ST OFC 500",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100210600",
            "telephone_number": "212-746-2441"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "428 E 72ND ST OFC 500",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100210600",
            "telephone_number": "212-746-2441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLUM",
        "first_name": "SONJA",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-05-21",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "NY",
            "license": "248370",
            "primary": false
        },
        {
            "code": "2084B0040X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Behavioral Neurology & Neuropsychiatry",
            "state": "NY",
            "license": "248370",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.