Individual provider Active NPI

Lauren Elyse Pollak, PHD

  • Psychologist
  • Boston, MA
National Provider Identifier
1184615643
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
7648 Issued in MA
Practice address
5 Emerson PL
Psychology Assessment Center
Boston, MA 02114-2240
Phone
(617) 726-2623
Fax
(617) 724-3726
NPI assigned
Nov 3, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 7648 MA Primary
Neurology Physician 2084N0400X 7648 MA

Addresses

Primary practice location

5 Emerson PL
Psychology Assessment Center
Boston, MA 02114-2240

Mailing address

PO Box 9142
Mass General Physician Organization
Charlestown, MA 02129-9142
Phone (617) 724-0287

Other identifiers 3

IdentifierTypeStateIssuer
W06052OtherMABCBS MA
410587OtherMATUFTS HEALTH PLAN
0596124MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040129000427 MA Practitioner - Clinical Psychologist 9234032012 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

50 Staniford St
Boston, MA 02114-2517

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
7648MAMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
Massachusetts General Physicians Organization Inc Neurology CurrentSince Aug 11, 2001 Accepting new patients
The General Hospital Corporation CurrentSince May 9, 2017 Accepting new patients

Locations

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

275 Sandwich St
Plymouth, MA 02360
Phone (508) 746-2000

Interoperability endpoints

  • Direct secure messaging: pollak.lauren.mgh@direct.partners.masshiway.net

Organizations & group practices 3

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 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": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1184615643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 EMERSON PL",
            "address_2": "PSYCHOLOGY ASSESSMENT CENTER",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142240",
            "telephone_number": "617-726-2623",
            "fax_number": "617-724-3726"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POLLAK",
        "first_name": "LAUREN",
        "middle_name": "ELYSE",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MA",
            "license": "7648",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MA",
            "license": "7648",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "W06052",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "410587",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0596124",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.