Individual provider Active NPI

Ahna Marisa Blutreich

  • Anatomic Pathology & Clinical Pathology Physician
  • New York, NY
National Provider Identifier
1285891887
Registry record updated Apr 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
25MA11657900 Issued in NJ
Practice address
504 Grand St
Apt G44
New York, NY 10002
Phone
(646) 591-9629
NPI assigned
May 21, 2008
Last updated
Apr 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 29, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 243539 NY
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 25MA11657900 NJ Primary

Addresses

Primary practice location

504 Grand St
Apt G44
New York, NY 10002

Mailing address

504 Grand St
Apt G44
New York, NY 10002-4182
Phone (646) 591-9629

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 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
I20100804000742 NY Practitioner - Pathology 6406989995 Reassigns benefits to 2 organizations
I20260507001247 NJ Practitioner - Pathology 6406989995 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rwjbh Observation Associates LLCGroup PAC ID 5193137503, 995 clinicians

Practice addresses (Care Compare)

1 Robert Wood Johnson PL
Robert Wood Johnson University Hosp
New Brunswick, NJ 08901-1928
Phone (732) 828-3000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA11657900NJMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Albany Medical College CurrentSince Jul 31, 2017 Accepting new patients
Bronxcare Health System Anatomic Pathology & Clinical Pathology CurrentSince Oct 1, 2022 Accepting new patients
Albany Medical College CurrentSince Jul 31, 2017 Accepting new patients
Albany Medical College Current Accepting new patients
Wyckoff Professional Medical Services, PC Anatomic Pathology & Clinical Pathology CurrentSince Mar 30, 2024 Accepting new patients
Bronxcare Health System CurrentSince Oct 1, 2022 Accepting new patients

Locations

47 New Scotland Ave
Albany, NY 12208
Phone (518) 262-3773

1650 Grand Concourse
Bronx, NY 10457
Phone (718) 294-7104

374 Stockholm St
Brooklyn, NY 11237
Phone (718) 963-6485

71 Prospect Ave
Ste 210
Hudson, NY 12534
Phone (518) 828-2565

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1211328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1285891887",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "504 GRAND ST",
            "address_2": "APT G44",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100024182",
            "telephone_number": "646-591-9629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "504 GRAND ST",
            "address_2": "APT G44",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10002",
            "telephone_number": "646-591-9629"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLUTREICH",
        "first_name": "AHNA",
        "middle_name": "MARISA",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-05-21",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NY",
            "license": "243539",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NJ",
            "license": "25MA11657900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.